Part Name
74HC191DP
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MFG CO.
Hitachi -> Renesas Electronics
74HC191DP Datasheet - Hitachi -> Renesas Electronics
Hitachi -> Renesas Electronics
The HD74HC190 and HD74HC191 are synchronous, reverside up/down counters. The HD74HC190 is a 4-bit decade counter and the HD74HC191 is a 4-bit binary counter. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple clock) counters.
Part Name
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MFG CO.
Synchronous Up/Down Decade Counter (Dual Clock Line) Synchronous Up/Donw 4-bit Binary Counter (Dual Clock Line)
Hitachi -> Renesas Electronics
Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter
Hitachi -> Renesas Electronics
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