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DM74LS191 Datasheet, Features, Application

DM74LS191 Synchronous 4-Bit Up/Down Counters

DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchronou.

Fairchild Semiconductor
rating-1 6

DM74LS191 - Synchronous 4-Bit Up/Down Counter
National Semiconductor
rating-1 1

DM74LS191 - Synchronous 4-Bit Up/Down Counters
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