national semiconductor 54F/74F191 Up/Down Binary Counter with Preset Ripple Clock Manual

Update: 30 September, 2023

The ’F191 is a reversible modulo-16 binary counter featuring synchronous counting and asynchronous presetting. The preset feature allows the ’F191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and Ripple Clock output make possible a variety of methods of implementing multistage counters. In the counting modes, state changes are initiated by the rising edge of the clock. The counter has a high-speed, 125 MHz typical count frequency, supports synchronous counting, asynchronous parallel load and cascading.

Brand: National

File format: PDF

Size: 197 KB

MD5 Checksum: 928197A9AD1CAE6472D3730378C448B8

Publication date: 05 June, 2012

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