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74LS191 - PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

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Datasheet preview – 74LS191

Datasheet Details

Part number 74LS191
Manufacturer Motorola
File Size 308.14 KB
Description PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
Datasheet download datasheet 74LS191 Datasheet
Note This datasheet PDF includes multiple part numbers: 74LS191, 74LS190.
Please refer to the document for exact specifications by model.
Additional preview pages of the 74LS191 datasheet.

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Description

The LS190 is a synchronous Up / Down BCD Decade Counter and the LS191 is a synchronous Up / Down 4-Bit Binary Counter.

The operating modes of the LS190 decade counter and the LS191 binary counter are identical, with the only difference being the count sequences as noted in the state diagrams.

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📁 Similar Datasheet
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Other Datasheets by Motorola
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  • 74LS193 - PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
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