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CD74HCT191, CD74HC190 Datasheet - Texas Instruments

CD74HCT191 - Synchronous Up/Down Counters

ordering information The CD54/74HC190 are asynchronously presettable BCD decade counters, whereas the CD54/74HC191 and CD54/74HCT191 are asynchronously presettable binary counters.

Presetting the counter to the number on preset data inputs (A *D) is accomplished by a low asynchronous parallel

CD54HC190, CD74HC190 CD54HC191, CD74HC191, CD54HCT191, CD74HCT191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SCHS275E MARCH 2002 REVISED OCTOBER 2003 D 2-V to 6-V VCC Operation (’HC190, 191) D 4.5-V to 5.5-V VCC Operation (’HCT191) D Wide Operating Temperature Range of 55°C to 125°C D Synchronous Counting and Asynchronous Loading D Two Outputs for n-Bit Cascading D Look-Ahead Carry for High-Speed Counting D Balanced Propagation Delays and Transition Time

CD74HC190-etcTI.pdf

This datasheet PDF includes multiple part numbers: CD74HCT191, CD74HC190. Please refer to the document for exact specifications by model.
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Datasheet Details

Part number:

CD74HCT191, CD74HC190

Manufacturer:

Texas Instruments ↗

File Size:

1.29 MB

Description:

Synchronous up/down counters.

Note:

This datasheet PDF includes multiple part numbers: CD74HCT191, CD74HC190.
Please refer to the document for exact specifications by model.

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