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SN74LS642

Part Number	SN74LS642
Manufacturer	ON Semiconductor
Description	Octal Bus Transceivers
Published	Jan 9, 2017
Detailed Description	SN74LS640, SN74LS641, SN74LS642, SN74LS645 Octal Bus Transceivers These octal bus transceivers are designed for asynchr...
Datasheet	SN74LS642 PDF File

Overview

SN74LS640, SN74LS641, SN74LS642, SN74LS645 Octal Bus Transceivers These octal bus transceivers are designed for asynchronous two-way communication between data buses.
Control function implementation minimizes external timing requirements.
These circuits allow data transmission from the A bus to B or from the B bus to A bus depending upon the logic level of the direction control (DIR) input.
Enable input (G) can disable the device so that the buses are effectively isolated.
DEVICE LS640 LS641 LS642 LS645 OUTPUT 3-State Open-Collector Open-Collector 3-State LOGIC Inverting True Inverting True CONTROL INPUTS G DIR FUNCTION TABLE OPERATION LS640 LS642 LS641 LS645 L L B data to A bus ...

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