| Part Number | SN74ALS191A |
| Manufacturer | Texas Instruments (https://www.ti.com/) |
| Title | Synchronous 4-Bit Up/Down Binary Counter |
| Description | SN54ALS191A . . . J PACKAGE SN74ALS191A . . . D OR N PACKAGE (TOP VIEW) B1 QB 2 QA 3 CTEN 4 D/U 5 QC 6 QD 7 GND 8 16 VCC 15 A 14 CLK 13 RCO 12 ... |
| Features |
a fully independent clock circuit. Changes at the control inputs (CTEN and D/U) that modify the operating mode have no effect on the contents of the counter until clocking occurs. The function of the counter is dictated solely by the conditions meeti...
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| Datasheet |
 SN74ALS191A Datasheet
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