| Part Number | CD54HCT191 |
| Manufacturer | Texas Instruments (https://www.ti.com/) |
| Title | Synchronous Up/Down Counters |
| Description | ordering information The CD54/74HC190 are asynchronously presettable BCD decade counters, whereas the CD54/74HC191 and CD54/74HCT191 are asynchron... |
| Features |
y counters.
Presetting the counter to the number on preset data inputs (A−D) is accomplished by a low asynchronous parallel load (LOAD) input. Counting occurs when LOAD is high, count enable (CTEN) is low, and the down/up (D/U) input is either high f...
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| Datasheet |
 CD54HCT191 Datasheet
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