SN54BCT29862B, SN74BCT29862B 10-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS014B - NOVEMBER 1988 - REVISED NOVEMBER 1993 * * * * * BiCMOS Design Substantially Reduces Standby Current Functionally Equivalent to ALS29862 and AMD Am29862A Power-Up High-Impedance State 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 Standard Plastic and Ceramic 300-mil DIPs (JT, NT) SN54BCT29862B . . . JT OR W PACKAGE SN74BCT29862B . . . DW OR NT PACKAGE (TOP VIEW) OEBA A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 GND description These 10-bit bus transceivers are designed for asynchronous communication between data buses. The control-function implementation allows for maximum flexibility in timing. 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 VCC B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 OEAB A2 A1 OEBA NC VCC B1 B2 SN54BCT29862B . . . FK PACKAGE (TOP VIEW) These 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 levels at the output-enable (OEBA and OEAB) inputs. A3 A4 A5 NC A6 A7 A8 The outputs are in the high-impedance state during power-up and power-down conditions. The outputs remain in the high-impedance state while the device is powered-down. 4 3 2 1 28 27 26 25 6 24 7 23 8 22 9 21 10 20 11 19 12 13 14 15 16 17 18 B3 B4 B5 NC B6 B7 B8 A9 A10 GND NC OEAB B10 B9 The SN54BCT29862B is characterized for operation over the full military temperature range of - 55C to 125C. The SN74BCT29862B is characterized for operation from 0C to 70C. 5 NC - No internal connection FUNCTION TABLE INPUTS OEAB OEBA L H OPERATION A to B H L B to A H H Isolation L L Latch A and B (A = B) Copyright 1993, 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 1 SN54BCT29862B, SN74BCT29862B 10-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS014B - NOVEMBER 1988 - REVISED NOVEMBER 1993 logic symbol OEBA OEAB A1 1 13 2 logic diagram (positive logic) OEAB EN1 EN2 A1 23 1 13 1 2 23 OEBA B1 B1 2 A2 A3 A4 A5 A6 A7 A8 A9 A10 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 B2 B3 B4 To Nine Other Channels B5 B6 B7 B8 B9 B10 This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the DW, JT, NT, and W packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0.5 V to 7 V Input voltage (I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0.5 V to 5.5 V Input voltage (excluding I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0.5 V to 7 V Voltage applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0.5 V to VCC Input clamp current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 30 mA Current into any output in the low state: SN54BCT29862B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA SN74BCT29862B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA Operating free-air temperature range: SN54BCT29862B . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to 125C SN74BCT29862B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to 70C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to 150C 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 negative voltage rating may be exceeded if the input clamp current rating is observed. recommended operating conditions VCC VIH Supply voltage VIL IIK Low-level input voltage IOH IOL TA Operating free-air temperature 2 High-level input voltage SN54BCT29862B SN74BCT29862B MIN NOM MAX MIN NOM MAX 4.5 5 5.5 4.5 5 5.5 2 2 UNIT V V 0.8 0.8 Input clamp current - 18 - 18 mA High-level output current - 12 - 24 mA Low-level output current 24 48 mA 70 C - 55 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 125 0 V SN54BCT29862B, SN74BCT29862B 10-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS014B - NOVEMBER 1988 - REVISED NOVEMBER 1993 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER SN54BCT29862B TYP MAX TEST CONDITIONS VIK VCC = 4.5 V, MIN II = - 18 mA IOH = - 12 mA VOH VCC = 4 4.5 5V VOL VCC = 4 4.5 5V II VCC = 5.5 V, IOL = 48 mA VI = 5.5 V Control inputs A or B port VCC = 5 5.5 5V V, VI = 2 2.7 7V IIL Control inputs A or B port VCC = 5 5.5 5V V, VI = 0 0.5 5V VCC = 0, VCC = 5.5 V, VO = 2.7 V VO = 0 IIO(off) IOS ICC VCC = 5.5 V Ci VCC = 5 V, VCC = 5 V, - 1.2 2.4 - 1.2 3.3 IOH = - 24 mA IOL = 24 mA IIH SN74BCT29862B TYP MAX MIN 0.35 2.4 3.3 2 3.1 - 75 0.5 V 0.1 0.1 20 20 70 70 - 0.2 - 0.2 - 0.2 - 0.2 0.1 0.1 mA - 250 mA - 250 - 75 Outputs high 20 32 20 32 Outputs low 29 46 29 46 Outputs disabled 6.5 11 6.5 11 VI = 0.5 V or 2.5 V VI = 0.5 V or 2.5 V V V 0.5 0.35 UNIT 6 Co 8 All typical values are at VCC = 5 V, TA = 25C. For I/O ports, the parameters IIH and IIL include the off-state output current. IO(off) = Power-off bus leakage current Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second. mA A mA mA 6 pF 8 pF switching characteristics (see Note 2) PARAMETER FROM (INPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 , R2 = 500 , TA = MIN to MAX# VCC = 5 V, CL = 50 pF, R1 = 500 , R2 = 500 , TA = 25C TO (OUTPUT) BCT29862B tPLH tPHL A or B B or A tPZH tPZL OE A or B tPHZ tPLZ OE A or B UNIT SN54BCT29862B SN74BCT29862B MIN TYP MAX MIN MAX MIN MAX 1 3.6 5.2 1 6.5 1 6.1 0.5 2.4 4.6 0.5 7.5 0.5 4.8 2.5 5.3 7.2 2.5 9.1 2.5 8.4 4.5 8 10.6 4.5 13.9 4.5 12.5 2.3 4.8 7.6 2.3 8.4 2.3 8.4 2.3 5.2 7 2.3 9.1 2.3 8.2 ns ns ns # For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating condtions. NOTE 2: Load circuits and voltage waveforms are shown in Section 1. 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