RCV336DPEL ETC1 | Alldatasheet
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1 48 Rockawelll semiconductor Systems : RCV336DPFL/SP V.34 Data, V.17 Fax, AudioSpan, Voice, Speakerphone, Modem Data Pump Introduction Features The Paceeall a RCVSS00PFL/SP is a V.34 modem data . 2-wire ful-duplex, coma ipl Hab oe, Auospan ace ‘ ops 20, V2: and VEL tis. ing/decoding , and speakerphone (optional). = Bell 212 and 1 The following models are available: * Q-wire haere RC336DPFL No No ~ Bell 208 RCV3360PFL Yes No = Short train option in V.17 and V.27 ter RCV3380PFLISP Yes Yes ¢ Serial synchronous and asynchronous data As a data modem, the modem can operate in 2-wire, full- : Paralel Synchrono a and asynchronous data duplex, synchronous/asynchronous modes at rates up to in-band tocondary channel en cir , shoo bee tis V.34 techniques to optimize modem . lary channel (V.34 and V.32 bis) configuration for Ine conditions, the modem can connect * Automatic mode selection (AMS) at the highest data rate that the channel can support from » Automatic rate adaption (ARA) 33600 bps to 2400 bps with automatic fallback to V.32 * Digital near-end and far-end echo cancellation bis. » Bulk delay for satellite transmission Internal HDLC support eliminates the need for an extemal © Jano cial and auto-enewer . serial input/output (SIO) device in the DTE for products + AudioSpan (simultaneous audio/voice and data) incorporating error correction and T.30 protocols. - Heder n eae kbps data plus audio) AudioSpan (analog simultaneous audio/voice and data = jet, headset, or hall-duplex speakerphone Cpetation suppers adata tals uth cede ar 4b tba « Fulkcunles: speakerphone (optional The speekarphons made! supports Pasition independent - Programmable microphone AGC internal integrated analog circuit to Interface withthe ~ Microphone volume selection and muting telephone line and the audio inpulout (Le. & headset = Speaker volume control and muting; room monitor handset, or a microphone with e) speaker). ° yoo voice mode (optional) Voice models include an Adaptive Differential Pulse Code ‘ pass-through mode ; Modulation (ADPCM) voice coder and decoder (codec). * TTL and CMOS compatible OTE interface The codec compresses and decompresses voice signals ~ ITU-T V.24 (EIA/TIA-232-E) (data/control) for efficient digial storage of voice messages, The codec ~ Microprocessor bus (data/configuration/contro)) operates at 8k, 21 6h, oF 14.4 bps (4 » bit, or 2- « Dynamic range: -9 dBm to -43 dBm - quantization, respectively) with a 7.2 kHz sample rate. . Aiustable speeker Output to monitor received signal A voice pass-through mode in all models allows the host « OMA support interrupt to vans and seceive unnoeipreseed audio signals. ° bi FIFO data buffers for burst data transfer : . encoding'decoding nomork ESTA) tough We appropiae ine rmination, * 51 aifem generation detection The RCV3960PFLSP i pn-compatbie wit the 3 vaV8 bi sonal RCVS8DPFUSP and the DPFUSP allowing + V.13 signaling performance update by plug-in device replacement. * V.54 inter-DCE sign ling The RCV336DPFLSP offers low power consumption in a « V.54 local analog and remote digital loopback small tcotpent, low profile, 1 in 7 i +5V operation PCMCIA Type Il envelope roqurerfonts er PG Cards « Typical power consumption: and battery-powered portable applications, ~ Normal Mode: 640 mW = Sleep Mode: 9 mW PCMOIA Low le, small footprint package meets ° Ty ieniclape requirements for PC Cards - One 144-pin TOFP Data Sheet Preliminary ‘Order No, MD178 February 18. 1997
RCV336DPFL/SP V.34 Data/V.17 Fax/AudioSpan/Voice/Speakerphone Modem Data Pump ' Technical Description ; The modem functional interface is illustrated in Figure 1. Configurations and Rates and dala rates are listed in Table 1. 9 FERS. A ~ROCLK. J - [roux emer. 0 7} voor =ALYA 1 seni [ars = ae xa a ee _finco | ie a, a TK pee P~miso SS RICVSS6DPFL [7 rxag 7] TELEPHONE LINE! pn nevangopeuse ran “lacie mou PERE [retour | DATAPUMP [wey | , READ J (R6755:144-PIN TOFP) nc] es Host = RSO-RS4 moat FO Figure 1, RCVS96DPFL/SP MDP Functional Interface DO AT
Table 1. Configurations, Signaling Rates, and Data Rates
- Modutation tegen: TOM: Trellis-Coded Modulation QAM: Quadrature Amplitude Modutation
- Adaptive; established during handshalce:
RCV336DPFLSP V.34 Data/V.17 Fax/AudloSpan/Volce/Speakerphone Modem DataPump ss, Automatic Mode Selection Table 2. RTS-CTS Response Tines . When automatic mode selection (AMS) is enabled, the | RTS-CTS Response’ | fale super Ey eee CE — secre operon natn 1 2 cer _| eo Automode ion in V.S2 bis, V.32 V.22 bis, V.22, Configuration Carrier Carrier | sequenc V21, V.23, Bell 212A, and Bell 103 modes isin accordance wih EITIAPNZSS0 ve | em | om | Automat ate Adapton ARA) ra in V.34 and V.32 bis modes, automatic rate adaption | NA | soon? | ismat_| boselse based on tho mcenured eye guatty moniior pesroen {WA scant { ssnet | on the measured eye (EQM) (EARC bi). This selection occurs during Cs ee tanaka andre reegoaion. Pareotre [WAT rosa? | rast | Tone Ganeraton Cc The modem can single or dual voloe-band tones trom OF 9008 He wth arescuion ol 0.18 He and an [v272400tong | NA | oxame® | tome® | zuscy of 001% Tones one amaze |” [varaqosen [WA | arma? | attenuated. OTMF tone generation the to var zoo stot | NA | erm? | tome | operate as a programmable OTMF dialer. v.26 | NA ms ts aor Fe Nal Mal ial a VonV SEDO VEO VAT VSRV 2 Vorervaoes, — [Y21__| soma | soome [WA | V.22, V.23, or V.21, and is compatible with Bell 208, v.23, 8en103[ 210ms [| 2i0ms | NA | 212A, or 103, depending on the configuration. Notes: Transmitted Data Spectrum 1, Times listed are CTS turn-on. The CTS OFF-40-ON response The transmitter spectrum is shaped by raised cosine filter aa) oemmanablel DAP RAM, Fede odes functions as follows: 2. Add echo protector tone duration plus 20 ms when echo Protector tone is used during turn-on, ae 4 Plus 20 ms of no sanemited eneray. LV.22 bie/V.22, Bel2i2A | Square rootof 75% | 5._NA= ret sopical Frc sponse iw ce RRS eons ot The response times of CTS relative to a 'su transition of RTS are listed in Table 2. accordance with the selected configuration. Transmit Level Answer Tone When the NV25 bil is a zero, the modem a The transmitter output level is selectable from 0 dBm to eer far oe crewe -15 dBm in 1 dB steps and is accurate to 0.5 dB when paced Tet set finden of sper pled ny used with an external hybrid. The output level can also be {v.8) or ( imvesb/owory penceaatiosem ese” ta.vSe athe Vas V2 avai he noe RAM. The maxinum V 34/32 bis 32 transmit eve fo psd dlp nencler may hr Syma Non 34 nde, ra ay 3 5 . The modem satisfies performance requirements for at disabled via a parameter in DSP RAM. input (-15 dBm at RIN). ) Transmitter Timing Note: A 6 dB pad is required between TIP and RING and Transmitter ming is selectable between internal the RIN input. (#0.01%), external, or slave. Receiver Timing The timing recovery circuit can track @ error in ena rocver ceat cnn va rea bis) or 20.01% (other configurations). q SS inima
; V.34 Data/V.17 Fax/AudioSpan/Voice/Speakerphone Modem Data Pump RCV336DPFL/SP Carrier Recovery Data Formats . The cartier recovery circuit can track a +7 Hz frequency Serial chronous Data offest in the received center. Data ‘ae 200-33600 bps +0.01%. Clamping Selectable clock: Internal, external, or slave. Received Data (XD) is to a constant mark Serial Asynchronous of “PLSD a sss ne Spa esr -FLSD) Data rate: 20043000 bee 1% fr +2.9%5) 2.5%; Echo Canceller 0-300 bps (V.21 and Ball 103); A data echo canceller with near-end and far-end echo 1200/75 bps (V.23). Cancaetion ie included tor Sonic WEI ot Bits per character: 7, 8, 9, 10, or 11. Ms operation, combined span near and far cancellers can be up to 40 ms. The Parallel Synchronous Data proportion allotted to each end is automatically Normal sync: 8-bit data for transmit and receive determined by the modem. The delay between near-end Data rate: 300-33600 bps 40.01%. and far-end echoes can be up to 1.2 seconds. SDLC/HDLC AudioSpan Mode Transmitter: Flag generation, 0 bit stutting, AudioSpan provides full-duplex analog simultaneous CRC-16 or CRC-32 generation. dala alo wit audio of €600 opsusing V8! modulaon. Rlecelver: Flag detection. Ob& delefon, if a rs AusioSpan can send any type of audio wavetorm, CRE-16 or CRC-S2 checking. including music. Data can be sent with or without error Parallel Asynchronous Data correction. The audio/voice interface can be in the form of Data rate: 300-33600 bps +1% (or 2.3%), -2.5%; a headset, handset, or a microphone and speaker (half- ia . ' coiaed arene) Handset echo cancaliation is 1200, 300, or 75 bps (FSK). Data bits per character: 5, 6, 7, or 8. Speakerphone Voice/Audio Paths (/SP Model) Parity generation/checking: Odd, even, or Sth data bit. The modem incorporates a dual integrated analog interface, The voice/audio transmit and receive signals, Javneiayne and Sysaihayne Conversion le provdedin bathe a fo avadabie Ete oben audio the transmitter and a synchronous-to-asynchronous nfiguration and are selected DSP RAM. converter is provided in the receiver. The converters comiguration and’ are Brows . operate in both serial and parallel modes. The The voice/audio input can be taken from one of four asynchronous character format is 1 start bit, 5 to 8 data ditterent sources: telephone line input (RIN), handset bits, an optional bit and 1 or 2 stop bite. Vals {TELIN), microphone (MICM or MICV). chaiatr se Rludng a ts, wee 8, 9, 10, of 11 bits The speaker o1 ‘SPK) can originate from one ot five per character. Two ranges of signaling rates are different souroee: FIN, TELIN, MIGM of MICV or trom the Provided: modems internal voice playback mode. « Basic range: +1% to -2.5% The voice/audio output may be routed to the telephone Extended overspeed range: +2.3% to -2.5% line output (TXA1 and TXA2) or handset (TELOUT). When ine transmitier’s han one sion bi witb the basic , signaling rate, no more than one Geleted The voice 0 pase can be swached to Lever ‘won sulle Input per 8 consecutive characters. When operating at the i icati extended rate, no more than one will be deleted varlable gain for applications such as music-on-hold. per 4 coneeouiive characters. Break hancling te The room monkor’ mode alows the modem to receive performed as described in V.14. audio surroundings and concurrently transmit . audio to a remote site. Input and are seued on the RXD eeral ouput, ADPCM Voice Mode (V Models) . V.54 Inter-DCE Signaling Frmemilt Volce. 16-58 compressad iranemit voice can be sent to the modem ADPCM codec for decompression Tre modem supports V2 iter DCE signaling then to the cigitalto-analog converter (DAC) by the host. Configurations. ‘ranemiesion and detecson ofthe Receive Voice. 16-bit received voice samples from the preparatory, acknowledgment, and termination phases as modem analog-to-digital converter (ADC) can be sent to in V.54 are . Three contro! bits in the {ha ADEGM codec for compression, and then be read by Perle ah rdigrel tort deel. aed Fi the receiver are used to enable one of three bit pattern Voice Pass-Through Mode detectors (VStTE, VS4AE, and VOsPE bits), A status bit Transmit Voice. 16-bit transmit voice samples can be indicates when the selected pattern detector has found sent to the modem DAC from the host. the corresponding bit pattern (V54DT bit). Receive Voice. 16-bit received voice samples from the modem ADC can be read by the host. MD178 5
RCV336DPFL/SP V.34 Data/V.17 Fax/AudioSpan/Voice/Speakerphone Modem Data Pump \\ V.13 Remote RTS Signaling 511 Pattern Generation/Detection The modem supports V.13 remote RTS signaling. In a synchronous mode, a 511 pattern can be generated ° Transmission and detection of signaling bit patterns in and detected (control bit S511). Use of this bit pattern response to a change of state in the RTS bit or the ~RTS during self-test eliminates the need for external test input signal are provided. The RRTSE bit enables V.13 equipment. signaling. The RTSDE bit enables detection of V.13 patterns. The RTSDT status bit indicates the state of the In-Band Secondary Channel remote RTS signal. This feature may be used to __ A full-duplex in-band secondary channel is provided in clamp/unclamp the local ~RLSD and RXD signals in V.34 (all speeds) and V.32 bis/V.32 (7200 bps and response to a change in the remote RTS signal in order above) modes. Control bit SECEN enables and disables to simulate controlled carrier operation in a constant the secondary channel operation. The secondary channel carrier environment. The modem automatically clamps operates in parallel data mode with independent transmit and unclamps ~RLSD. and receive interrupts and data buffers. The main hi i i i 5 Auto-Dialing and Auto-Answering Control channel may operate in parallel or serial mode. am . In V.34 modes, the secondary channel rate is 200 bps. The host can perform auto-dialing and auto-answering. . . These functions include DTMF or pulse dialing, ringing In V.32 bis/V.32 modes, the secondary channel rate is detection, and a comprehensive supervisory tone 150 bps. This rate is also host programmable in V.32 detection scheme. The major parameters are host bis/V.32 modes. Programmable. Transmit and Receive FIFO Data Butfers Supervisory Tone Detection Two 16-byte first-in first-out (FIFO) data buffers allow the Three parallel tone detectors (A, B, and C) are provided DTE/ost to rapidly output up to 16 bytes of transmit data for supervisory tone detection. The signal path to these and input up to 16 bytes of accumulated received data. detectors is separate from the main received signal path. The receiver FIFO is always enabled. The transmitter Each tone detector ists of tw ded d FIFO is enabled by the FIFOEN control bit. TXHF and onler In big ad filters The boa Midients are host RXHF bits indicate the corresponding FIFO butter half full programmable. Each fourth ordre is folowed bya rceate the 1 FIFO butler not ful and Fe FIFO ble jevel detector which has host programmable turn-on ani i it i preceded by a prefilter and squarer. This circuit is useful TXFNF, RXFNE, RXHF, or TXHF states bit changes for detecting a tone with frequency equal to the difference state. * , between two tones that may be simultaneously present * ‘on the line. The squarer may be disabled by the SQDIS DMA Support Interrupt Request Lines bit causing tone detector C to be an eighth order filter. DMA su . i . pport is available in synchronous, asynchronous, The tone detectors are disabled in data mode. and HDLC parallel data modes. Control bit DMAE The tone detection sample rate is 9600 Hz in V.8 and enables and disables DMA support. When DMA support V.34 modes and is 7200 Hz in non-V.34 modes. The is enabled, the modem ~RI and ~DSR lines are assigned default call progress filter coefficients are based on a to Transmitter Request (TXRQ) and Receiver Request 7200 Hz sampling rate and apply to non-V.34 modes (RXRQ) hardware output interrupt request lines, only. The maximum detection bandwidth is equal to one- respectively. The TXRQ and RXRQ signals follow the half the sample rate. assertion of the TDBE and RDBF interrupt bits thus The tone detectors default bandwidths and thresholds allowing the DTE/host to respond immediately to the are: interrupt request without masking out status bits to determine the interrupt source. sone betector | Turn-On | Turn-Otf Tone Detector | Bandwidth Threshold | Threshold NRZI Encoding/Decoding J A | aas—e50Hz | -2508m | -31d8m_| NRZI data encoding/decoding may be selected in synchronous ai modes instead of the defaul [8 | se0—eor | ascem | -s1aem | ——_fynetvonous and FIDL.C modes instoad ofthe default RZ (control bit NRZIEN). In NRZ encoding, a 1 is | cPrefiter | o-sooHz [ NA | NA | represented by a high level and a 0 is represented by a a low level. In NRZI encoding, a 1 is represented by no = Tone Detector C will detect a difference tone within ts change in level and a 0 is represented by a change in when the two tones present are in the ranga —1 dBm to-26 dBm. evel. CRC-32 Support CRC-32 generation/checking may be selected instead of the default CRC-16 in HDLC mode using DSP RAM access. Caller ID Demodulation Caller ID information can be demodulated in V.23 1200 receive configuration and presented to the hos/DTE in serial (TXD) and parallel (RBUFFER) form.
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MB 7811073 0034311 55]
; V.34 Data/V.17 Fax/AudioSpan/Voice/Speakerphone Modem Data Pump RCV336DPFL/SP Telephone Line Interface . high requirements upon the Data Access Arrangement A functional interconnect diagram showing the typical (DAA) to the telephone line. These modes use the same modem connection in a system is illustrated in Figure 2 bandwidth for transmission of data in both « directions. Any (144-pin TQFP). non-linear distortion generated by the DAA in the transmit In Figure 2, any point that is active low is represented b direction cannot be canceled by the modem’s echo _ a small circle at the signal point. Edge triggered inputs ¥ canceller and interferes with data reception. The designer are denoted by a small triangle (e.g., TORK). An active must, therefore, ensure that the total harmonic distortion low signal is indicated by a tilde preceding the signal seen at the RXA input to the modem be at least 45 dB name (e.g., ~RESET). below the minimum level of received signal. Due to the + ., 5 tee et wider bandwidth requirements in V.34, the DAA must A clock intended to activate logic on its rising edge (low- maintain linearity from 150 Hz to 3950 Hz. to-high transition) is called active low (e.9., ~ROCLK), . while a clock intended to activate logic on its faling edge Relay Control. Direct control of the off-hook and (high-to-low transition) is called active high (e.g., TDCLK). talk/data relays is provided. Internal relay drivers allow When a clock input is associated with a small circle, the direct connection to the off-hook and talk/data relays. The input activates on a falling edge. If no circle is shown, the talk/data relay output can optionally be used for pulse input activates on a rising edge. dial. The a assignments for the modem packaged in a 144- Speaker Interface pin TQFP are shown Figure 3 and are listed in Table 3. A SPK output is provided with on/off and volume contro! The modem hardware interface signals are described in logic incorporated in the modem, requiring only an Table 4. external amplifier to drive a loudspeaker. The digital interface characteristics are defined in Table 5. Additional Information The analog interface characteristics are defined Table 6. Additional information is provided in the RCV336DPFL/SP The power requirements are defined in Table 7. Modern Designer's Guide (Order No. 1119). The absolute maximum ratings are defined in Table 8. M0178 7 @ 7411073 0034312 496 a
Figure 2. MDP Hardware Interface Signals-144-Pin TQFP
V.34 Data/V.17 Fax/AudioSpan/Voice/Speakerphone Modem Data Pump RCV336DPFL/SP 5 2 u< feeeee8 ee slegticelddegietle Buagecdlg0i2ieeus OOOO OOO OOOO OOOO NOONAN An OA PPVEPSSHSBSRASRRUHLNIKHSRESELLTLLEES o cf: 108 2 xraux ‘RESERVEO CJ 2 107 2 yoo: es 108 smi oo 18 B ve resenved Cs 10 F s210 oe 10 sox srox G7 12 E pesenveo oe oe 10 BB resenveo oe 10 EE resenven o fo 0 Fy esenven nso Et se FS resenved RS! 12 ‘97 RESERVED PULVOD [J 13 % [5 RESERVED rom = By reserven ne Gf ts = B wox ne is 2B sacx Nc Cj17 $2 RESERVED AGND (J 18 * — cxour AGND J 19 9 FE) sRaIN ‘TELIN Cj 20 89 SAIN acnov E21 6 sour raour Gf 22 © 6 smo was zs eG -rest ‘sPK CJ [5 GND par Gf 2s uB oo poe Ef 2s 5B tc ver Gar 2 6 peserveo ve Che os =a wov ef 2 20 resenveo am 0 2B wo scwon Ef st 2B -crs nese Cf 22 7B to mcm (33 76 TOCLK means 3 =f Jas “ruva 35 16 toe ‘SPKMD (J 36 73 sr2cik BSSSTVLTVSSSISSYSESRESSSSISSSSESSLEK UUOUUUUUUUUUUUUUUUUUUUUUUUUUU ooo SECEP HERG SEE SSeS EERE SRS geeuaer Ese gs i Bae WoreoFsPO-MoPt4AT Figure 3, MDP Pin Signals - 144-Pin TOFP MDI78 9 MB 7811073 0034314 2b0 a
Table 3. MDP Pin Signals - 144-Pin TQFP
7 NC NG ag sean or ro MaxouT (46)
10 OS MDI78
Table 3. MDP Pin Signals - 144-Pin TQFP (Continued) 1A, IB = Digital input; OA, OB = Digital output. (DA) = Analog input; O(DD), O(DF) = Analog output.
- NC =No external connection allowed (may have internal connection).
RCV336DPFL/SP V.34 Data/V.17 Fax/AudioSpan/Voice/Speakerphone Modem Data Pump . Table 4. MDP Signal Definitions three capacitors, and an inductor. 3 ys. The modem is ready to use 400 ms after the low-to-high transition of ~RESET. VDD, + 5V Digital Power Supply. Connect to +5V+ 5% and digital circuits power supply fitter. [avaa __[ewr _| + 5v Analog Power Supply. Connect to +5V# 5% and analog circuits power supply filter. [eno __ [GND __| Digital Ground. Connect to digital ground. [acno [Gnd __| Analog Ground. Connect to analog ground. Normal Mode and is turned off during Sleep Mode. addition of external logic, the interface can be made compatible with a wide variety of other microprocessors such as the 6502, 8086 or 68000. supervise modem operation by writing control bits and reading status bits. modem. The most significant bit is D7. Data direction is controlled by the Read Enable and Write Enable signals. bit, or low for a zero bit. When not being read, the three-state drivers assume their high-impedance (off) state. interface memory register, with high and low bus levels representing one and zero bit states, respectively. modem application. The IRQ output is driven by a TTL-compatible CMOS driver.
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Table 4. MDP Signal Definitions (Cont'd) cables, these signals can be easily converted to EIA/RS-232-D voltage levels. [RXO___ [OA _| Received Data, The modem presents received serial data tothe local DTE on the Received Data (RXD) output. RTS pin is logically ORed with the RTS bit. ~CTS OA Clear To Send. ~CTS active indicates to the local DTE that the modem will transmit any data present on TXD. CTS response times from an active condition of RTS are shown in Table 2. threshold is present on the receiver input, and that the energy is not a training sequence. carrier is enabled, carrier is controlled by RTS. The ~DTR input and the DTR control bit are logically ORed. when the modem is in a test mode (i.e., local analog or remote digital loopback). The DSR status bit reflects the state of the ~DSR output. external (input on XTCLK), or slave (to ~ROCLK) as selected by TXCLK bits in interface memory. XTCLK input is then reflected at the TDCLK output. coincide with the center of the received data bits.
line interface or an optional external hybrid circuit. telephone line interface or an optional extemal hybrid circuit. ~Ri output signal as well as the Ri bit. heavier loads (e.g., electro-mechanical relays). ~RLYA is controlled by host setting/resetting of the RA bit. active closes the relay to connect the modem to the telephone line. allowing loop current flow which would indicate an off-hook condition). heavier loads (e.g., electro-mechanical relays). ~RLYB is controlled by host setting/resetting of the RB bit. active opens the relay to disconnect the handset from the telephone line. [MicM | (0A) __| Modem Microphone Input. MICM is a single-ended microphone input. The input impedance is > 70k a. input to an external LM386 audio power amplifier. TTL high or low level by an intemal comparator to create a PC Card (PCMCIA)-compatible signal. microphone output for recording voice e.g., in a speakerphone application. connected to a telephone handset microphone circuit. connected to a telephone handset speaker circuit. [MICBIAS __| REF _| Microphone Bias. Microphone bias reference voltage.
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Table 5. Digital Electrical Characteristics Table 6. Analog Electrical Characteristics
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Table 7. Current and Power Requirements
- Test conditions: VCC = 5.0 VDC for typical values; VCC = 5.25 VDC for maximum values.
- Input Ripple < 0.1 Vpeak-peak.
Table 8. Absolute Maximum Ratings granted by implication or otherwise under any patent rights of Rockwell Intemational other than for circuitry embodied in Rockwell products. Rockwell international reserves the right to change circuitry at any time without notice. This document is subject to change without notice.