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SN74ABTH16460 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74ABTH16460 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 10 page SN54ABTH16460, SN74ABTH16460 4-TO-1 MULTIPLEXED/DEMULTIPLEXED TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS207F – OCTOBER 1992 – REVISED MAY 1997 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus ™ Family D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design Significantly Reduces Power Dissipation D Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 D Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C D High-Impedance State During Power Up and Power Down D Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise D Flow-Through Architecture Optimizes PCB Layout D High-Drive Outputs (–32-mA IOH, 64-mA IOL) D Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors D Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings description The ’ABTH16460 are 4-bit to 1-bit multiplexed registered transceivers used in applications where four separate data paths must be multiplexed onto or demultiplexed from a single data path. Typical applications include multiplexing and/or demultiplexing of address and data information in microprocessor or bus-interface applications. These devices also are useful in memory-interleaving applications. Five 4-bit I/O ports (1A–4A, 1B1–4, 2B1–4, 3B1–4, and 4B1–4) are available for address and/or data transfer. The output-enable (OEB, OEB1–OEB4, and OEA) inputs control the bus-transceiver functions. These control signals also allow 4-bit or 16-bit control, depending on the OEB level. Copyright © 1997, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information 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. 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. Widebus and EPIC- ΙΙB are trademarks of Texas Instruments Incorporated. SN54ABTH16460 . . . WD PACKAGE SN74ABTH16460 . . . DGG OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 LEAB1 LEAB2 LEBA GND LEB1 LEB2 VCC CLKBA OEB CLKAB GND 1A 2A CE_SEL0 CE_SEL1 3A 4A GND CLKENAB CLKENB CLKENBA VCC LEB3 LEB4 GND OEA LEAB3 LEAB4 OEB1 OEB2 SEL0 GND 1B1 1B2 VCC 1B3 1B4 2B1 GND 2B2 2B3 2B4 3B1 3B2 3B3 GND 3B4 4B1 4B2 VCC 4B3 4B4 GND SEL1 OEB3 OEB4 |
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