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74AC11623NT Datasheet(PDF) 1 Page - Texas Instruments |
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74AC11623NT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 6 page 74AC11623 OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCAS058A − JULY 1987 − REVISED APRIL 1993 Copyright 1993, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 • Local Bus-Latch Capability • Flow-Through Architecture Optimizes PCB Layout • Center-Pin V CC and GND Configurations Minimize High-Speed Switching Noise • EPIC (Enhanced-Performance Implanted CMOS) 1- µm Process • 500-mA Typical Latch-Up Immunity at 125 °C • Package Options Include Plastic Small-Outline Packages, and Standard Plastic 300-mil DIPs description These octal bus transceivers are designed for asynchronous communication between data buses. The control function implementation allows for maximum flexibility in timing. These devices transmit data from the A bus to the B bus or from the B bus to the A bus depending upon the level at the output-enable (OEAB or OEBA) inputs. The output-enable inputs can be used to disable the device so that the buses are effectively isolated. The dual-enable configuration gives these devices the capability to store data by simultaneous enabling of OEAB and OEBA. Each output reinforces its input in this transceiver configuration. Thus, when both control inputs are enabled and all other data sources to the two sets of bus lines are at high impedance, both sets of bus lines (16 in all) will remain at their last states. The 8-bit codes appearing on the two sets of buses will be complementary for the 74AC11623. The 74AC11623 is characterized for operation from − 40 °C to 85°C. FUNCTION TABLE INPUTS OPERATION OEBA OEAB OPERATION L L B data to A bus H H A data to B bus H L Isolation L H B data to A bus, A data to B bus DW OR NT PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 A1 A2 A3 A4 GND GND GND GND A5 A6 A7 A8 OEAB B1 B2 B3 B4 VCC VCC B5 B6 B7 B8 OEBA EPIC is a trademark of 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. |
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