74AC16472 TI1 | Alldatasheet
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/C0053/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050/C0044 /C0055/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050 /C0049/C0056/C0262/C0066/C0073/C0084 /C0082/C0069/C0071/C0073/C0083/C0084/C0069/C0082/C0069/C0068 /C0084/C0082/C0065/C0078/C0083/C0067/C0073/C0069/C0086/C0069/C0082/C0083 /C0087/C0073/C0084/C0072 /C0051/C0262/C0083/C0084/C0065/C0084/C0069 /C0079/C0085/C0084/C0080/C0085/C0084/C0083 SCAS165A − JUNE 1990 − REVISED APRIL 1996 1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 /C0068Members of the Texas Instruments Widebus Family /C00683-State True Outputs /C0068Flow-Through Architecture Optimizes PCB Layout /C0068Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise /C0068EPIC (Enhanced-Performance Implanted CMOS) 1-µm Process /C0068500-mA Typical Latch-Up Immunity at 125°C /C0068Package Options Include Plastic 300-mil Shrink Small-Outline (DL) Package Using 25-mil Center-to-Center Pin Spacings and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Pin Spacings
description
The ’AC16472 are 18-bit registered transceivers that contain two sets of D-type latches for temporary storage of data flowing in either direction. They can be used as two 9-bit transceivers or one 18-bit transceiver. Separate latch-enable (LEAB or LEBA) and output-enable (OEAB or OEBA) inputs are provided for each register to permit independent control in either direction of data flow. When OEAB and LEAB are both low, the A-to-B latches are transparent; a subsequent low-to-high transition of LEAB puts the A latches in the storage mode. With OEAB low, the B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar, but requires the use of the LEBA and OEBA inputs. The 74AC16472 is packaged in TI’s shrink small-outline package (DL), which provides twice the I/O pin count and functionality of standard small-outline packages in the same printed-circuit-board area. The 54AC16472 is characterized for operation over the full military temperature range of −55°C to 125°C. The 74AC16472 is characterized for operation from −40°C to 85°C. Copyright 1996, Texas Instruments Incorporated/C0085/C0078/C0076/C0069/C0083/C0083 /C0079/C0084/C0072/C0069/C0082/C0087/C0073/C0083/C0069 /C0078/C0079/C0084/C0069/C0068 /C0116/C0104/C0105/C0115 /C0100/C0111/C0099/C0117/C0109/C0101/C0110/C0116 /C0099/C0111/C0110/C0116/C0097/C0105/C0110/C0115 /C0080/C0082/C0079/C0068/C0085/C0067/C0084/C0073/C0079/C0078 /C0068/C0065/C0084/C0065 /C0105/C0110/C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0111/C0110 /C0099/C0117/C0114/C0114/C0101/C0110/C0116 /C0097/C0115 /C0111/C0102 /C0112/C0117/C0098/C0108/C0105/C0099/C0097/C0116/C0105/C0111/C0110 /C0100/C0097/C0116/C0101/C0046 /C0080/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0099/C0111/C0110/C0102/C0111/C0114/C0109 /C0116/C0111 /C0115/C0112/C0101/C0099/C0105/C0102/C0105/C0099/C0097/C0116/C0105/C0111/C0110/C0115 /C0112/C0101/C0114 /C0116/C0104/C0101 /C0116/C0101/C0114/C0109/C0115 /C0111/C0102 /C0084/C0101/C0120/C0097/C0115 /C0073/C0110/C0115/C0116/C0114/C0117/C0109/C0101/C0110/C0116/C0115 /C0115/C0116/C0097/C0110/C0100/C0097/C0114/C0100 /C0119/C0097/C0114/C0114/C0097/C0110/C0116/C0121/C0046 /C0080/C0114/C0111/C0100/C0117/C0099/C0116/C0105/C0111/C0110 /C0112/C0114/C0111/C0099/C0101/C0115/C0115/C0105/C0110/C0103 /C0100/C0111/C0101/C0115 /C0110/C0111/C0116 /C0110/C0101/C0099/C0101/C0115/C0115/C0097/C0114/C0105/C0108/C0121 /C0105/C0110/C0099/C0108/C0117/C0100/C0101 /C0116/C0101/C0115/C0116/C0105/C0110/C0103 /C0111/C0102 /C0097/C0108/C0108 /C0112/C0097/C0114/C0097/C0109/C0101/C0116/C0101/C0114/C0115/C0046 EPIC and Widebus are trademarks of Texas Instruments Incorporated. 1OEAB 1LEAB 1A1 GND 1A2 1A3 VCC 1A4 1A5 1A6 GND 1A7 1A8 1A9 2A1 2A2 2A3 GND 2A4 2A5 2A6 V CC 2A7 2A8 GND 2A9 2LEAB 2OEAB 1OEBA 1LEBA 1B1 GND 1B2 1B3 V CC 1B4 1B5 1B6 GND 1B7 1B8 1B9 2B1 2B2 2B3 GND 2B4 2B5 2B6 V CC 2B7 2B8 GND 2B9 2LEBA 2OEBA 54AC16472 . . . WD PACKAGE 74AC16472 . . . DL PACKAGE (TOP VIEW) Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
/C0053/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050/C0044 /C0055/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050 /C0049/C0056/C0262/C0066/C0073/C0084 /C0082/C0069/C0071/C0073/C0083/C0084/C0069/C0082/C0069/C0068 /C0084/C0082/C0065/C0078/C0083/C0067/C0073/C0069/C0086/C0069/C0082/C0083 /C0087/C0073/C0084/C0072 /C0051/C0262/C0083/C0084/C0065/C0084/C0069 /C0079/C0085/C0084/C0080/C0085/C0084/C0083 SCAS165A − JUNE 1990 − REVISED APRIL 1996
2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 FUNCTION TABLE † INPUTS OUTPUT LEAB OEAB A OUTPUT B X H X Z H LXB 0‡ L LH H L L L L † A-to-B data flow is shown: B-to-A flow is similar but uses LEBA and OEBA. ‡ Output level before the indicated steady-state input conditions were established logic symbol§ 1OEBA 1A1 1A2 1A3 1A4 1A5 1A6 1A7 1A8 1B1 1B2 1B3 1B4 1B5 1B6 1B7 1B8 2A1 2A2 2A3 2A4 2A5 2A6 2A7 2A8 2B1 2B2 2B3 2B4 2B5 2B6 2B7 2B8 EN2 EN4 EN6 EN8 1LEBA 1OEAB 1LEAB 2OEBA 2LEBA 2OEAB 2LEAB 1B9 1A9 2A9 26 2B9 § This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
/C0053/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050/C0044 /C0055/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050 /C0049/C0056/C0262/C0066/C0073/C0084 /C0082/C0069/C0071/C0073/C0083/C0084/C0069/C0082/C0069/C0068 /C0084/C0082/C0065/C0078/C0083/C0067/C0073/C0069/C0086/C0069/C0082/C0083 /C0087/C0073/C0084/C0072 /C0051/C0262/C0083/C0084/C0065/C0084/C0069 /C0079/C0085/C0084/C0080/C0085/C0084/C0083 SCAS165A − JUNE 1990 − REVISED APRIL 1996 3POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 logic diagram (positive logic) 1OEBA 1LEBA 1OEAB 1LEAB 1A1 1B1 To Eight Other Channels 2OEBA 2LEBA 2OEAB 2LEAB 2A1 2B1 To Eight Other Channels
/C0053/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050/C0044 /C0055/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050 /C0049/C0056/C0262/C0066/C0073/C0084 /C0082/C0069/C0071/C0073/C0083/C0084/C0069/C0082/C0069/C0068 /C0084/C0082/C0065/C0078/C0083/C0067/C0073/C0069/C0086/C0069/C0082/C0083 /C0087/C0073/C0084/C0072 /C0051/C0262/C0083/C0084/C0065/C0084/C0069 /C0079/C0085/C0084/C0080/C0085/C0084/C0083 SCAS165A − JUNE 1990 − REVISED APRIL 1996
4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The maximum package power dissipation is calculated using a junction temperature of 150/C0095C and a board trace length of 750 mils. recommended operating conditions (see Note 3) 54AC16472 74AC16472 UNITMIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 3 5 5.5 3 5 5.5 V VCC = 3 V 2.1 2.1 VIH High-level input voltage VCC = 4.5 V 3.15 3.15 VVIH High-level input voltage VCC = 5.5 V 3.85 3.85 V VCC = 3 V 0.9 0.9 VIL Low-level input voltage VCC = 4.5 V 1.35 1.35 VVIL Low-level input voltage VCC = 5.5 V 1.65 1.65 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V VCC = 3 V −4 −4 IOH High-level output current VCC = 4.5 V −24 −24 mAIOH High-level output current VCC = 5.5 V −24 −24 mA VCC = 3 V 12 12 IOL Low-level output current VCC = 4.5 V 24 24 mAIOL Low-level output current VCC = 5.5 V 24 24 mA ∆t/∆v Input transition rise or fall rate 0 10 0 10 ns/V TA Operating free-air temperature −55 125 −40 85 °C NOTE 3: Unused inputs must be held high or low to prevent them from floating. /C0080/C0082/C0079/C0068/C0085/C0067/C0084 /C0080/C0082/C0069/C0086/C0073/C0069/C0087 /C0105/C0110/C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0111/C0110 /C0099/C0111/C0110/C0099/C0101/C0114/C0110/C0115 /C0112/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0105/C0110 /C0116/C0104/C0101 /C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0118/C0101 /C0111/C0114 /C0100/C0101/C0115/C0105/C0103/C0110 /C0112/C0104/C0097/C0115/C0101 /C0111/C0102 /C0100/C0101/C0118/C0101/C0108/C0111/C0112/C0109/C0101/C0110/C0116/C0046 /C0067/C0104/C0097/C0114/C0097/C0099/C0116/C0101/C0114/C0105/C0115/C0116/C0105/C0099 /C0100/C0097/C0116/C0097 /C0097/C0110/C0100 /C0111/C0116/C0104/C0101/C0114 /C0115/C0112/C0101/C0099/C0105/C0102/C0105/C0099/C0097/C0116/C0105/C0111/C0110/C0115 /C0097/C0114/C0101 /C0100/C0101/C0115/C0105/C0103/C0110 /C0103/C0111/C0097/C0108/C0115/C0046 /C0084/C0101/C0120/C0097/C0115 /C0073/C0110/C0115/C0116/C0114/C0117/C0109/C0101/C0110/C0116/C0115 /C0114/C0101/C0115/C0101/C0114/C0118/C0101/C0115 /C0116/C0104/C0101 /C0114/C0105/C0103/C0104/C0116 /C0116/C0111 /C0099/C0104/C0097/C0110/C0103/C0101 /C0111/C0114 /C0100/C0105/C0115/C0099/C0111/C0110/C0116/C0105/C0110/C0117/C0101 /C0116/C0104/C0101/C0115/C0101 /C0112/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0119/C0105/C0116/C0104/C0111/C0117/C0116 /C0110/C0111/C0116/C0105/C0099/C0101/C0046
/C0053/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050/C0044 /C0055/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050 /C0049/C0056/C0262/C0066/C0073/C0084 /C0082/C0069/C0071/C0073/C0083/C0084/C0069/C0082/C0069/C0068 /C0084/C0082/C0065/C0078/C0083/C0067/C0073/C0069/C0086/C0069/C0082/C0083 /C0087/C0073/C0084/C0072 /C0051/C0262/C0083/C0084/C0065/C0084/C0069 /C0079/C0085/C0084/C0080/C0085/C0084/C0083 SCAS165A − JUNE 1990 − REVISED APRIL 1996 5POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54AC16472 74AC16472 UNITPARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 3 V 2.9 2.9 2.9 IOH = −50 µA 4.5 V 4.4 4.4 4.4IOH = −50 µA 5.5 V 5.4 5.4 5.4 VOH IOH = −4 mA 3 V 2.58 2.48 2.48 VVOH IOL = −24 mA 4.5 V 3.94 3.8 3.8 V IOL = −24 mA 5.5 V 4.94 4.8 4.8 IOH = −75 mA† 5.5 V 3.85 3.85 3 V 0.1 0.1 0.1 IOL = 50 µA 4.5 V 0.1 0.1 0.1IOL = 50 µA 5.5 V 0.1 0.1 0.1 VOL IOL = 12 mA 3 V 0.36 0.44 0.44 VVOL IOL = 24 mA 4.5 V 0.36 0.44 0.44 V IOL = 24 mA 5.5 V 0.36 0.44 0.44 IOL = 75 mA† 5.5 V 1.65 1.65 II Control inputsVI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA IOZ ‡ A or B ports VO = VCC or GND 5.5 V ±0.5 ±5 ±5 µA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 80 µA C i Control inputsVI = VCC or GND 5 V 3 pF C io A or B ports VO = VCC or GND 5 V 11.5 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ For I/O ports, the parameter IOZ includes the input leakage current. timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) TA = 25°C 54AC16472 74AC16472 UNITMIN MAX MIN MAX MIN MAX UNIT tw Pulse duration, LEAB or LEBA low 4 4 4 ns tsu Setup time, data before LEAB or LEBA ↑ 0.5 0.5 0.5 ns th Hold time, data after LEAB or LEBA ↑ 3.5 3.5 3.5 ns timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C 54AC16472 74AC16472 UNITMIN MAX MIN MAX MIN MAX UNIT tw Pulse duration, LEAB or LEBA low 4 4 4 ns tsu Setup time, data before LEAB or LEBA ↑ 0.5 0.5 0.5 ns th Hold time, data after LEAB or LEBA ↑ 2.5 2.5 2.5 ns /C0080/C0082/C0079/C0068/C0085/C0067/C0084 /C0080/C0082/C0069/C0086/C0073/C0069/C0087 /C0105/C0110/C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0111/C0110 /C0099/C0111/C0110/C0099/C0101/C0114/C0110/C0115 /C0112/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0105/C0110 /C0116/C0104/C0101 /C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0118/C0101 /C0111/C0114 /C0100/C0101/C0115/C0105/C0103/C0110 /C0112/C0104/C0097/C0115/C0101 /C0111/C0102 /C0100/C0101/C0118/C0101/C0108/C0111/C0112/C0109/C0101/C0110/C0116/C0046 /C0067/C0104/C0097/C0114/C0097/C0099/C0116/C0101/C0114/C0105/C0115/C0116/C0105/C0099 /C0100/C0097/C0116/C0097 /C0097/C0110/C0100 /C0111/C0116/C0104/C0101/C0114 /C0115/C0112/C0101/C0099/C0105/C0102/C0105/C0099/C0097/C0116/C0105/C0111/C0110/C0115 /C0097/C0114/C0101 /C0100/C0101/C0115/C0105/C0103/C0110 /C0103/C0111/C0097/C0108/C0115/C0046 /C0084/C0101/C0120/C0097/C0115 /C0073/C0110/C0115/C0116/C0114/C0117/C0109/C0101/C0110/C0116/C0115 /C0114/C0101/C0115/C0101/C0114/C0118/C0101/C0115 /C0116/C0104/C0101 /C0114/C0105/C0103/C0104/C0116 /C0116/C0111 /C0099/C0104/C0097/C0110/C0103/C0101 /C0111/C0114 /C0100/C0105/C0115/C0099/C0111/C0110/C0116/C0105/C0110/C0117/C0101 /C0116/C0104/C0101/C0115/C0101 /C0112/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0119/C0105/C0116/C0104/C0111/C0117/C0116 /C0110/C0111/C0116/C0105/C0099/C0101/C0046
/C0053/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050/C0044 /C0055/C0052/C0065/C0067/C0049/C0054/C0052/C0055/C0050 /C0049/C0056/C0262/C0066/C0073/C0084 /C0082/C0069/C0071/C0073/C0083/C0084/C0069/C0082/C0069/C0068 /C0084/C0082/C0065/C0078/C0083/C0067/C0073/C0069/C0086/C0069/C0082/C0083 /C0087/C0073/C0084/C0072 /C0051/C0262/C0083/C0084/C0065/C0084/C0069 /C0079/C0085/C0084/C0080/C0085/C0084/C0083 SCAS165A − JUNE 1990 − REVISED APRIL 1996
6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54AC16472 74AC16472 UNITPARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B B or A nstPHL tPLH LEBA or LEAB A or B nstPHL tPZH OEBA or OEAB A or B nstPZL OEBA or OEAB A or B 5 11.2 17.6 5 19.7 5 19.7 ns tPHZ OEBA or OEAB A or B 4.4 7 9.4 4.4 10 4.4 10 ns tPLZ OEBA or OEAB A or B 4 6.4 8.7 4 9.4 4 9.4 ns switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54AC16472 74AC16472 UNITPARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B B or A nstPHL tPLH LEBA or LEAB A or B nstPHL tPZH OEBA or OEAB A or B nstPZL tPHZ OEBA or OEAB A or B ns tPLZ OEBA or OEAB A or B ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT C pd Power dissipation capacitance per transceiver Outputs enabled C L = 50 pF, f = 1 MHz pFC pd Power dissipation capacitance per transceiver Outputs disabled C L = 50 pF, f = 1 MHz 6 pF /C0080/C0082/C0079/C0068/C0085/C0067/C0084 /C0080/C0082/C0069/C0086/C0073/C0069/C0087 /C0105/C0110/C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0111/C0110 /C0099/C0111/C0110/C0099/C0101/C0114/C0110/C0115 /C0112/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0105/C0110 /C0116/C0104/C0101 /C0102/C0111/C0114/C0109/C0097/C0116/C0105/C0118/C0101 /C0111/C0114 /C0100/C0101/C0115/C0105/C0103/C0110 /C0112/C0104/C0097/C0115/C0101 /C0111/C0102 /C0100/C0101/C0118/C0101/C0108/C0111/C0112/C0109/C0101/C0110/C0116/C0046 /C0067/C0104/C0097/C0114/C0097/C0099/C0116/C0101/C0114/C0105/C0115/C0116/C0105/C0099 /C0100/C0097/C0116/C0097 /C0097/C0110/C0100 /C0111/C0116/C0104/C0101/C0114 /C0115/C0112/C0101/C0099/C0105/C0102/C0105/C0099/C0097/C0116/C0105/C0111/C0110/C0115 /C0097/C0114/C0101 /C0100/C0101/C0115/C0105/C0103/C0110 /C0103/C0111/C0097/C0108/C0115/C0046 /C0084/C0101/C0120/C0097/C0115 /C0073/C0110/C0115/C0116/C0114/C0117/C0109/C0101/C0110/C0116/C0115 /C0114/C0101/C0115/C0101/C0114/C0118/C0101/C0115 /C0116/C0104/C0101 /C0114/C0105/C0103/C0104/C0116 /C0116/C0111 /C0099/C0104/C0097/C0110/C0103/C0101 /C0111/C0114 /C0100/C0105/C0115/C0099/C0111/C0110/C0116/C0105/C0110/C0117/C0101 /C0116/C0104/C0101/C0115/C0101 /C0112/C0114/C0111/C0100/C0117/C0099/C0116/C0115 /C0119/C0105/C0116/C0104/C0111/C0117/C0116 /C0110/C0111/C0116/C0105/C0099/C0101/C0046
NOTES: A. C L includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns. D. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms
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