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SN54ABT651 Datasheet Octal Bus Transceivers/registers

Manufacturer: Texas Instruments

Overview: SN54ABT651, SN74ABT651 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCBS083E – JANUARY 1991 – REVISED APRIL 1998 D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design Significantly Reduces Power Dissipation D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Latch-Up Performance Exceeds 500 mA Per JESD 17 D Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C D High-Drive Outputs (–32-mA IOH, 64-mA IOL ) D Multiplexed Real-Time and Stored Data D Inverting Data Paths D Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), and Plastic (NT) and Ceramic (JT) DIPs SN54ABT651 . . . JT PACKAGE SN74ABT651 . . . DB, DW, NT, OR PW PACKAGE (TOP VIEW) CLKAB 1 SAB 2 OEAB 3 A1 4 A2 5 A3 6 A4 7 A5 8 A6 9 A7 10 A8 11 GND 12 24 VCC 23 CLKBA 22 SBA 21 OEBA 20 B1 19 B2 18 B3 17 B4 16 B5 15 B6 14 B7 13 B8 SN54ABT651 . . .

General Description

These devices consist of bus-transceiver circuits, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage registers.

Output-enable (OEAB and OEBA) inputs are provided to control the transceiver functions.

The select-control (SAB and SBA) inputs are provided to select whether real-time or stored data is transferred.

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