SCBS015D - NOVEMBER 1988 - REVISED NOVEMBER 1993 * * * SN54BCT29863B . . . JT OR W PACKAGE SN74BCT29863B . . . DW OR NT PACKAGE (TOP VIEW) BiCMOS Design Substantially Reduces ICCZ Functionally Equivalent to ALS29863 and AMD Am29863A Power-Up High-Impedance State ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015 Package Options Include Plastic Small-Outline Packages (DW), Ceramic Chip Carriers (FK) and Flatpacks (W), and Standard Plastic and Ceramic 300-mil DIPs (JT, NT) OEBA1 A1 A2 A3 A4 A5 A6 A7 A8 A9 OEBA2 GND description These 9-bit 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 OEAB2 OEAB1 SN54BCT29863B . . . FK PACKAGE (TOP VIEW) A2 A1 OEBA1 NC VCC B1 B2 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. 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 A9 The SN54BCT29863B is characterized for operation over the full military temperature range of - 55C to 125C. The SN74BCT29863B is characterized for operation from 0C to 70C. 4 5 B3 B4 B5 NC B6 B7 B8 OEBA2 GND NC OEAB1 OEAB2 B9 * * NC - No internal connection FUNCTION TABLE INPUTS OEAB1 OEAB2 OEBA1 OEBA2 L L L L L L H X L L X H H X L L X H L L H X H X H X X H X H X H X H H X OPERATION Latch A and B A to B B to A Isolation Copyright 1993, Texas Instruments Incorporated !"#$ % &'!!($ #% )'*+&#$ ,#$(!,'&$% &!" $ %)(&&#$% )(! $.( $(!"% (/#% %$!'"($% %$#,#!, 0#!!#$1- !,'&$ )!&(%%2 ,(% $ (&(%%#!+1 &+',( $(%$2 #++ )#!#"($(!%- * DALLAS, TEXAS 75265 * HOUSTON, TEXAS 77251-1443 POST OFFICE BOX 655303 POST OFFICE BOX 1443 2-1 SCBS015D - NOVEMBER 1988 - REVISED NOVEMBER 1993 logic symbol OEBA1 OEBA2 OEAB1 OEAB2 A1 1 logic diagram (positive logic) & 11 13 EN1 & 14 2 OEAB1 OEAB2 A1 EN2 23 1 13 1 14 11 2 23 OEBA1 OEBA2 B1 B1 2 A2 A3 A4 A5 A6 A7 A8 A9 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 B2 To Eight Other Channels B3 B4 B5 B6 B7 B8 B9 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 range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Input voltage range (I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 5.5 V Input voltage range (excluding I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Voltage range 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: SN54BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA SN74BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA Operating free-air temperature range: SN54BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55C to 125C SN74BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 negative input voltage ratings may be exceeded if the input current rating is observed. 2-2 * POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251-1443 * SCBS015D - NOVEMBER 1988 - REVISED NOVEMBER 1993 recommended operating conditions SN54BCT29863B SN74BCT29863B 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 IOL High-level output current -15 -24 mA 48 mA TA Operating free-air temperature 70 C High-level input voltage 2 2 Low-level output current V 24 -55 125 V 0 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VCC = 4.5 V, VCC = 4.5 V VOH VCC = 4.75 V, VOL II SN54BCT29863B TYP MAX TEST CONDITIONS MIN II = - 18 mA IOH = - 15 mA -1.2 2.4 3.3 IOH = - 24 mA IOH = - 3 mA VCC = 4.5 V IOL = 24 mA IOL = 48 mA VCC = 5.5 V, VI = 5.5 V IIH Control inputs A or B port VCC = 5.5 V, VI = 2.7 V IIL Control inputs A or B port VCC = 5.5 V, VI = 0.5 V IIO(off) IOS VCC = 0, VCC = 5.5 V, VO = 2.7 V VO = 0 ICC VCC = 5.5 V SN74BCT29863B TYP MAX MIN -1.2 2.4 3.3 2 3.1 V V 2.7 0.35 0.5 0.35 0.5 0.1 0.1 20 20 20 20 -0.2 -0.2 -0.2 -0.2 0.1 -75 -250 -75 30 18 30 45 30 45 Outputs disabled 6.5 12 6.5 12 * mA mA 30 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251-1443 A A mA 18 VCC = 5 V, VI = 2.5 V or 0.5 V 6 Cio VCC = 5 V, VI = 2.5 V or 0.5 V 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 0.1 Outputs low Ci V -250 Outputs high * UNIT mA 6 pF 8 pF 2-3 SCBS015D - NOVEMBER 1988 - REVISED NOVEMBER 1993 switching characteristics (see Note 2) PARAMETER FROM (INPUT) VCC = 5 V, CL = 50 pF, R1 = 500 , R2 = 500 , TA = 25C TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 , R2 = 500 , TA = MIN to MAX BCT29863B tPLH tPHL A or B B or A tPZH tPZL OEAB or OEBA A or B tPHZ tPLZ OEAB or OEBA A or B SN54BCT29863B SN74BCT29863B MIN TYP MAX MIN MAX MIN MAX 1 3 4.5 1 5.4 1 5 2 4.8 6.8 2 7.9 2 7.5 2 5.1 7 2 9.2 2 8.4 4.5 8.4 10.8 4.5 13.6 4.5 12.6 2 5 7.2 2 9.6 2 8.8 1.7 4.7 6.7 1.7 9.1 1.7 8.1 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 UNIT * POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251-1443 * ns ns ns IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. 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