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SN54ALS1245AJ Datasheet(PDF) 1 Page - Texas Instruments |
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SN54ALS1245AJ Datasheet(HTML) 1 Page - Texas Instruments |
1 / 5 page SN54ALS1245A, SN74ALS1245A OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS245A – DECEMBER 1982 – REVISED JANUARY 1995 Copyright © 1995, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • Bidirectional Bus Transceivers in High-Density 20-Pin Packages • Low-Power Versions of ′ALS245 Series • ′ALS1245 Series Is Identical to ′ALS1645 Series • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description These octal bus transceivers are designed for asynchronous two-way 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 on the logic level at the direction- control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated. The SN54ALS1245A is characterized for operation over the full military temperature range of – 55 °C to 125°C. The SN74ALS1245A is characterized for operation from 0 °C to 70°C. FUNCTION TABLE INPUTS OPERATION OE DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 B1 B2 B3 B4 B5 A3 A4 A5 A6 A7 SN54ALS1245A . . . FK PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND VCC OE B1 B2 B3 B4 B5 B6 B7 B8 SN54ALS1245A ...J PACKAGE SN74ALS1245A . . . DW OR N PACKAGE (TOP VIEW) 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. |
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