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74AC191 Product details. General Description. The AC191 is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the AC191 to be used in programmable dividers.
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Functional Description. The AC191 is a synchronous up/down counter. The AC191 is organized as a 4-bit binary counter. It contains four edge- triggered flip-flops with internal gating and steering logic to provide individual preset, count-up and count-down opera- tions.
74AC 19 1. Up/Down Counter with Preset and Ripple Clock. General Descript ion. The AC191 is a reversible modulo 1 6 binary counte r. It fea- tures synchr onous coun ting and asynchrono us presetti ng. The pre set fea ture a llows t he AC191 to b e used in pr o- grammab le div iders. The Count Enable i nput, th e T ermi nal.
onsemi. Integrated Circuits (ICs) | Counters, Dividers. 74AC191 onsemi Logic parts available at DigiKey.
74AC191 Datasheet by ON Semiconductor | Digi-Key Electronics. View All Related Products | Download PDF Datasheet. ild Semicon DS0099 www.fairchildsemi. 74AC191 Up/Down. Up/Down Counter with Preset and Ripple. is a reversible modulo 1 6 binary counte. It fea- tures synchr onous coun. ng modes, st. rec Recovery Time 3.3−0.5 0 0 ns.
Description: Counter Shift Registers Up/Down Counter. Lifecycle: Obsolete. Datasheet: 74AC191SCX Datasheet (PDF) ECAD Model: Download the free Library Loader to convert this file for your ECAD Tool. Learn more about ECAD Model. Compare Product. Add To Project | Add Notes. Availability. Stock: Not Available. FEATURED PRODUCTS. ONSEMI.
74AC191 Up/Down Counter with Preset and Ripple Clock. The is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the to be used in programmable dividers.