74AS245

SN54ALS245A TI | Alldatasheet

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SN54ALS245A, SN54AS245, SN74ALS245A, SN74AS245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS272A – NOVEMBER 1994 – REVISED JANUARY 2003 1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 /C0068 4.5-V to 5.5-V VCC Operation /C0068 Max tpd of 5.5 ns at 5 V /C0068 3-State Outputs Drive Bus Lines Directly /C0068 pnp Inputs Reduce dc Loading DIR GND V CC OE SN54ALS245A ...J O R W PACKAGE SN54AS245 ...J PACKAGE SN74ALS245A . . . DB, DW, N, OR NS PACKAGE SN74AS245 ...D W , N , O R N S PACKAGE (TOP VIEW) 3212 0 1 9 91 0 1 1 1 2 1 3 DIR B6 OE GND VCC SN54ALS245A, SN54AS245 . . . FK PACKAGE (TOP VIEW) description/ordering information

ORDERING INFORMATION

TA PACKAGE † ORDERABLE PART NUMBER TOP-SIDE MARKING SN74ALS245A-1N SN74ALS245A-1N PDIP – N Tube SN74ALS245AN SN74ALS245AN SN74AS245N SN74AS245N Tube SN74ALS245ADW ALS245A Tape and reel SN74ALS245ADWR ALS245A SOIC DW Tube SN74ALS245A-1DW ALS245A 1 0°C to 70°C SOIC – DW Tape and reel SN74ALS245A-1DWR ALS245A -1 Tube SN74AS245DW AS245 Tape and reel SN74AS245DWR AS245 Tape and reel SN74ALS245ANSR ALS245A SOP – NS Tape and reel SN74ALS245A-1NSR ALS245A-1 Tape and reel SN74AS245NSR 74AS245 SSOP – DB Tape and reel SN74ALS245ADBR G245A CDIP J Tube SNJ54ALS245AJ SNJ54ALS245AJ CDIP – J Tube SNJ54AS245J SNJ54AS245J –55°C to 125°C CFP – W Tube SNJ54ALS245AW SNJ54ALS245AW LCCC FK Tube SNJ54ALS245AFK SNJ54ALS245AFK LCCC – FK Tube SNJ54AS245FK SNJ54AS245FK PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. Copyright  2003, Texas Instruments Incorporated 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.

SN54ALS245A, SN54AS245, SN74ALS245A, SN74AS245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS272A – NOVEMBER 1994 – REVISED JANUARY 2003

2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

description/ordering information(continued) These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. The devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated. The -1 version of the SN74ALS245A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA. There is no -1 version of the SN54ALS245A. FUNCTION TABLE INPUTS OPERATION OE DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation logic diagram, each gate (positive logic) DIR OE To Seven Other Channels absolute maximum ratings over operating free-air temperature range (SN54ALS245A, SN74ALS245A) (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. NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7.

SN54ALS245A, SN54AS245, SN74ALS245A, SN74AS245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS272A – NOVEMBER 1994 – REVISED JANUARY 2003 3POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 2) SN54ALS245A SN74ALS245A UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.7 0.8 V IOH High-level output current –12 –15 mA IOL Low level output current 12 24 mAIOL Low -level output current 48† mA TA Operating free-air temperature –55 125 0 70 °C † Applies only to the -1 version and only if VCC is between 4.75 V and 5.25 V NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54ALS245A SN74ALS245A UNITPARAMETER TEST CONDITIONS MIN TYP ‡ MAX MIN TYP ‡ MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.5 –1.5 V VCC = 4.5 V to 5.5 V,IOH = –0.4 mA VCC –2 VCC –2 VOH IOH = –3 mA 2.4 3.2 2.4 3.2 VVOH VCC = 4.5 V IOH = –12 mA 2 V IOH = –15 mA 2 IOL = 12 mA 0.25 0.4 0.25 0.4 VOL VCC = 4.5 V IOL = 24 mA 0.35 0.5 V IOL = 48 mA† 0.35 0.5 II Control inputs VCC =55V VI = 7 V 0.1 0.1 mAII A or B ports VCC = 5.5 V VI = 5.5 V 0.1 0.1 mA IIH Control inputs VCC =55V VI=27V 20 20 µAIIH A or B ports§ VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL Control inputs VCC =55V VI=04V –0.1 –0.1 mAIIL A or B ports§ VCC = 5.5 V, VI = 0.4 V –0.1 –0.1 mA IO ¶ VCC = 5.5 V, VO = 2.25 V –20 –112 –30 –112 mA Outputs high 30 48 30 45 ICC VCC = 5.5 V Outputs low 36 60 36 55 mA Outputs disabled 38 63 38 58 † Applies only to the -1 version and only if VCC is between 4.75 V and 5.25 V ‡ All typical values are VCC = 5 V, TA = 25°C. § For I/O ports, the parameters IIH and IIL include the off-state output current. ¶ The output conditions have been chosen to produce a current that closely approximates one-half of the true short-circuit output current, IOS .

SN54ALS245A, SN54AS245, SN74ALS245A, SN74AS245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS272A – NOVEMBER 1994 – REVISED JANUARY 2003

4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, C L = 50 pF, R1 = 500 Ω, R2 = 500 Ω , TA = MIN to MAX† UNIT SN54ALS245A SN74ALS245A MIN MAX MIN MAX tPLH Ao rB Bo rA 1 19 3 10 ns tPHL A or B B or A 1 14 3 10 ns tPZH OE Ao rB 2 30 5 20 ns tPZL OE A or B 2 29 5 20 ns tPHZ OE Ao rB 2 14 2 10 ns tPLZ OE A or B 2 30 4 15 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. absolute maximum ratings over operating free-air temperature range (SN54AS245, SN74AS245) (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. NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions (see Note 2) SN54AS245 SN74AS245 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IOH High-level output current –12 –15 mA IOL Low-level output current 48 64 mA TA Operating free-air temperature –55 125 0 70 °C NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

SN54ALS245A, SN54AS245, SN74ALS245A, SN74AS245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS272A – NOVEMBER 1994 – REVISED JANUARY 2003 5POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54AS245 SN74AS245 UNITPARAMETER TEST CONDITIONS MIN TYP † MAX MIN TYP † MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V VCC = 4.5 V to 5.5 V,IOH = –2 mA VCC –2 VCC –2 VOH IOH = –3 mA 2.4 3.2 2.4 3.2 VVOH VCC = 4.5 V IOH = –12 mA 2 V IOH = –15 mA 2 VOL VCC =45V IOL = 48 mA 0.3 0.55 VVOL VCC = 4.5 V IOL = 64 mA 0.35 0.55 V II Control inputs VCC =55V VI = 7 V 0.1 0.1 mAII A or B ports VCC = 5.5 V VI = 5.5 V 0.1 0.1 mA IIH Control inputs VCC =55V VI=27V 50 20 µAIIH A or B ports‡ VCC = 5.5 V, VI = 2.7 V 70 70 µA IIL Control inputs VCC =55V VI=04V –0.5 –0.5 mAIIL A or B ports‡ VCC = 5.5 V, VI = 0.4 V –0.75 –0.75 mA IO § VCC = 5.5 V, VO = 2.25 V –50 –150 –50 –150 mA Outputs high 62 97 62 97 ICC VCC = 5.5 V Outputs low 95 143 95 143 mA Outputs disabled 79 123 79 123 † All typical values are VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § The output conditions have been chosen to produce a current that closely approximates one-half of the true short-circuit output current, IOS . switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, C L = 50 pF, R1 = 500 Ω , R2 = 500 Ω, TA = MIN to MAX¶ UNIT SN54AS245 SN74AS245 MIN MAX MIN MAX tPLH Ao rB Bo rA 2 9.5 2 7.5 ns tPHL A or B B or A 2 9 2 7 ns tPZH OE Ao rB 2 11 2 9 ns tPZL OE A or B 2 10.5 2 8.5 ns tPHZ OE Ao rB 2 7.5 2 5.5 ns tPLZ OE A or B 2 12 2 9.5 ns ¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.

6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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. When measuring propagation delay items of 3-state outputs, switch S1 is open. D. All input pulses have the following characteristics: PRR ≤ 1 MHz, tr = tf = 2 ns, duty cycle = 50%. E. The outputs are measured one at a time with one transition per measurement. Figure 1. Load Circuits and Voltage Waveforms

Orderable Device Status(1) Package Type Package Drawing Pins Package Qty Eco Plan(2) Lead/Ball FinishMSL Peak Temp (3) 84030012A ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type 8403001RA ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type 8403001SA ACTIVE CFP W 20 1 TBD A42 N / A for Pkg Type SN54ALS245AJ ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SN54AS245J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SN74ALS245A-1DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245A-1DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245A-1DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245A-1DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245A-1N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74ALS245A-1NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74ALS245A-1NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245A-1NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ADBLE OBSOLETE SSOP DB 20 TBD Call TI Call TI SN74ALS245ADBR ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ADBRE4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ADW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ADWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ADWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245AN ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74ALS245AN3 OBSOLETE PDIP N 20 TBD Call TI Call TI SN74ALS245ANE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74ALS245ANSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ANSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ALS245ANSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74AS245DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74AS245DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74AS245DWR ACTIVE SOIC DW 20 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM PACKAGE OPTION ADDENDUM www.ti.com 18-Jul-2006 Addendum-Page 1

Orderable Device Status(1) Package Type Package Drawing Pins Package Qty Eco Plan(2) Lead/Ball FinishMSL Peak Temp (3) no Sb/Br) SN74AS245DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74AS245N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74AS245NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74AS245NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74AS245NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54ALS245AFK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54ALS245AJ ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SNJ54ALS245AW ACTIVE CFP W 20 1 TBD A42 N / A for Pkg Type SNJ54AS245FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54AS245J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type (1)The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2)Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontentfor the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS):TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt):This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br):TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. PACKAGE OPTION ADDENDUM www.ti.com 18-Jul-2006 Addendum-Page 2

MLCC006B – OCTOBER 1996 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FK (S-CQCC-N**) LEADLESS CERAMIC CHIP CARRIER 4040140/D 10/96

28 TERMINAL SHOWN

B 0.358 (9,09) MAX (11,63) 0.560 (14,22) 0.560 0.458 0.858 (21,8) 1.063 (27,0) (14,22) ANO. OF MINMAX 0.358 0.660 0.761 0.458 0.342 (8,69) MIN (11,23) (16,26) 0.640 0.739 0.442 (9,09) (11,63) (16,76) 0.962 1.165 (23,83) 0.938 (28,99) 1.141 (24,43) (29,59) (19,32)(18,78) 0.020 (0,51) TERMINALS 0.080 (2,03) 0.064 (1,63) (7,80) 0.307 (10,31) 0.406 (12,58) 0.495 (12,58) 0.495 (21,6) 0.850 (26,6) 1.047 0.045 (1,14) 0.045 (1,14) 0.035 (0,89) 0.035 (0,89) 0.010 (0,25) 121314151618 17 432 0.020 (0,51) 0.010 (0,25) 12826 27 B SQ A SQ 0.055 (1,40) 0.045 (1,14) 0.028 (0,71) 0.022 (0,54) 0.050 (1,27) NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. C. This package can be hermetically sealed with a metal lid. D. The terminals are gold plated. E. Falls within JEDEC MS-004

MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE 4040065 /E 12/01

28 PINS SHOWN

8,20 7,40 0,55 0,95 0,25 12,90 12,30 10,50 8,50 Seating Plane 9,907,90 10,50 9,90 0,38 5,60 5,00 0,22 A 2016 6,506,50 0,05 MIN 5,905,90 DIM A MAX A MIN PINS ** 2,00 MAX 6,90 7,50 0,65 M0,15 0°–/C02578° 0,10 0,09 0,25 NOTES: A. All linear dimensions are in millimeters. B. This drawing is subject to change without notice. C. Body dimensions do not include mold flash or protrusion not to exceed 0,15. D. Falls within JEDEC MO-150

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