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HD74LS193

Part Number	HD74LS193
Manufacturer	Renesas
Description	Synchronous Up / Down Decade Counter
Published	Dec 4, 2017
Detailed Description	HD74LS193 Synchronous Up / Down Decade Counter (dual clock lines) REJ03D0455–0200 Rev.2.00 Feb.18.2005 Synchronous oper...
Datasheet	HD74LS193 PDF File

Overview

HD74LS193 Synchronous Up / Down Decade Counter (dual clock lines) REJ03D0455–0200 Rev.
2.
00 Feb.
18.
2005 Synchronous operation is provided by having all flip-flops clocked simultaneously so that the output change coincidently with each other when so instructed by the steering logic.
This mode of operation eliminates the output counting spikes, which are normally associated with asynchronous (ripple clock) counters.
The outputs of the four master-slave flip-flops are triggered by a low-to-high-level transition of either count (clock) input.
The direction of counting is determined by which count input is pulsed while the other count input is high.
This counter is fully programmable; that is, ea...

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