SN54BCT640, SN74BCT640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS025C – SEPTEMBER 1988 – REVISED APRIL 1994 • • • • • SN54BCT640 . . . J OR W PACKAGE SN74BCT640 . . . DW OR N PACKAGE (TOP VIEW) State-of-the-Art BiCMOS Design Substantially Reduces Standby Current Outputs Have Undershoot-Protection Circuitry Power-Up High-Impedance State Buffered Control Inputs to Reduce DC Loading Effects ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015 Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK) and Flatpacks (W), and Plastic and Ceramic 300-mil DIPs (J, N) DIR A1 A2 A3 A4 A5 A6 A7 A8 GND description 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC OE B1 B2 B3 B4 B5 B6 B7 B8 SN54BCT640 . . . FK PACKAGE (TOP VIEW) A2 A1 DIR VCC The ′BCT640 bus transceiver is designed for asynchronous communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus depending upon the 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. A3 A4 A5 A6 A7 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 B1 B2 B3 B4 B5 A8 GND B8 B7 B6 The SN54BCT640 is characterized for operation over the full military temperature range of – 55°C to 125°C. The SN74BCT640 is characterized for operation from 0°C to 70°C. OE • FUNCTION TABLE INPUTS OPERATION OE DIR L L B data to A bus L H A data to B bus H X Isolation Copyright 1994, Texas Instruments Incorporated 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. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2–1 SN54BCT640, SN74BCT640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS025C – SEPTEMBER 1988 – REVISED APRIL 1994 logic symbol† OE DIR 19 1 logic diagram (positive logic) OE G3 3 EN1 [BA] 3 EN2 [AB] A1 A2 A3 A4 A5 A6 A7 A8 18 2 1 3 19 1 1 2 17 4 16 5 15 6 14 7 13 8 12 9 11 DIR 1 B1 B2 B3 A1 2 18 B1 B4 B5 B6 B7 B8 To Seven Other Channels † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V Input voltage range: Control inputs (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V I/O ports (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 5.5 V Voltage range applied to any output in the disabled or power-off state, VO . . . . . . . . . . . . . . . – 0.5 V to 5.5 V Voltage range applied to any output in the high state, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC Input clamp current, IIK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 mA Current into any output in the low state: SN54BCT640 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA SN74BCT640 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Operating free-air temperature range: SN54BCT640 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C SN74BCT640 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C ‡ 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 input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2–2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN54BCT640, SN74BCT640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS025C – SEPTEMBER 1988 – REVISED APRIL 1994 recommended operating conditions SN54BCT640 SN74BCT640 MIN NOM MAX MIN NOM MAX 4.5 5 5.5 4.5 5 5.5 UNIT VCC VIH Supply voltage VIL IIK Low-level input voltage 0.8 0.8 V Input clamp current –18 –18 mA IOH High level output current High-level A port –3 –3 B port –12 –15 IOL Low level output current Low-level A port 20 24 B port 48 64 TA Operating free-air temperature High-level input voltage 2 2 – 55 125 V V 0 70 mA mA °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK TEST CONDITIONS VCC = 4.5 V, A port 5V VCC = 4 4.5 VOH B port A port VCC = 4.5 V A or B port II IIH‡ IIL‡ IOS§ ICCL ICCH Control inputs A or B port Control inputs A or B port Control inputs A port B port A to B A to B IOH = – 3 mA IOH = – 3 mA IOH = –12 mA IOH = –15 mA 3.4 2.5 3.4 2.4 3.3 2.4 3.3 2.4 3.3 2.4 3.3 2 3.2 2 3.1 0.3 0.5 VCC = 4 4.5 5V IOL = 48 mA IOL = 64 mA 0.38 0.55 5V VI = 5 5.5 VCC = 5 5.5 5V V, VI = 2 2.7 7V VCC = 5 5.5 5V V, VI = 0 0.5 5V VCC = 5 5.5 5V V, VO = 0 –1.2 2.5 IOL = 20 mA IOL = 24 mA 5V VCC = 5 5.5 V, SN74BCT640 TYP† MAX MIN –1.2 VCC = 4 4.5 5V VOL B port II = –18 mA IOH = –1 mA SN54BCT640 TYP† MAX MIN 0.35 0.5 0.42 0.55 1 1 0.1 0.1 70 70 20 20 – 0.6 – 0.6 – 0.65 – 0.65 –150 – 60 –150 –100 – 225 –100 – 225 • DALLAS, TEXAS 75265 V mA µA mA mA 53 84 53 94 mA 23 37 23 41 mA 4 11 mA ICCZ VCC = 5.5 V 4 10 † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. POST OFFICE BOX 655303 V V – 60 VCC = 5.5 V VCC = 5.5 V UNIT 2–3 SN54BCT640, SN74BCT640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS025C – SEPTEMBER 1988 – REVISED APRIL 1994 switching characteristics (see Note 2) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = 25°C VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = MIN to MAX† ′BCT640 tPLH tPHL A or B B or A tPZH tPZL OE A or B tPHZ tPLZ OE A or B SN54BCT640 SN74BCT640 MIN TYP MAX MIN MAX MIN MAX 0.5 3.6 5.6 0.5 7 0.5 6.5 0.5 1.9 3.4 0.5 3.8 0.5 3.7 3.1 6.4 8.9 2.6 10.5 2.6 10.2 4.1 6.9 9.5 3.5 12.3 3.5 10.7 1.9 5 7.9 1.4 12.2 1.4 10.2 1.8 4.3 6.8 1.5 8.3 1.5 7.8 † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 2: Load circuits and voltage waveforms are shown in Section 1. 2–4 POST OFFICE BOX 655303 UNIT • DALLAS, TEXAS 75265 ns ns ns PACKAGE OPTION ADDENDUM www.ti.com 26-Sep-2005 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty Lead/Ball Finish MSL Peak Temp (3) 5962-9075201M2A ACTIVE LCCC FK 20 1 TBD Call TI Level-NC-NC-NC 5962-9075201MRA ACTIVE CDIP J 20 1 TBD Call TI Level-NC-NC-NC 5962-9075201MSA ACTIVE CFP W 20 1 TBD Call TI Level-NC-NC-NC SN74BCT640DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT640DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT640DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT640DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT640N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC SN74BCT640NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC SN74BCT640NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT640NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54BCT640FK ACTIVE LCCC FK 20 1 TBD Call TI Level-NC-NC-NC SNJ54BCT640J ACTIVE CDIP J 20 1 TBD Call TI Level-NC-NC-NC SNJ54BCT640W ACTIVE CFP W 20 1 TBD Call TI Level-NC-NC-NC (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) or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for 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. 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. Addendum-Page 1 MECHANICAL DATA MLCC006B – OCTOBER 1996 FK (S-CQCC-N**) LEADLESS CERAMIC CHIP CARRIER 28 TERMINAL SHOWN 18 17 16 15 14 13 NO. OF TERMINALS ** 12 19 11 20 10 A B MIN MAX MIN MAX 20 0.342 (8,69) 0.358 (9,09) 0.307 (7,80) 0.358 (9,09) 28 0.442 (11,23) 0.458 (11,63) 0.406 (10,31) 0.458 (11,63) 21 9 22 8 44 0.640 (16,26) 0.660 (16,76) 0.495 (12,58) 0.560 (14,22) 23 7 52 0.739 (18,78) 0.761 (19,32) 0.495 (12,58) 0.560 (14,22) 24 6 68 0.938 (23,83) 0.962 (24,43) 0.850 (21,6) 0.858 (21,8) 84 1.141 (28,99) 1.165 (29,59) 1.047 (26,6) 1.063 (27,0) B SQ A SQ 25 5 26 27 28 1 2 3 4 0.080 (2,03) 0.064 (1,63) 0.020 (0,51) 0.010 (0,25) 0.020 (0,51) 0.010 (0,25) 0.055 (1,40) 0.045 (1,14) 0.045 (1,14) 0.035 (0,89) 0.045 (1,14) 0.035 (0,89) 0.028 (0,71) 0.022 (0,54) 0.050 (1,27) 4040140 / D 10/96 NOTES: A. B. C. D. E. All linear dimensions are in inches (millimeters). This drawing is subject to change without notice. This package can be hermetically sealed with a metal lid. The terminals are gold plated. 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