General Description
The 74F269 is a fully synchronous 8-stage up/down counter featuring a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the rising edge of the clock.
FEATUREs
■ Synchronous counting and loading
■ Built-in lookahead carry capability
■ Count frequency 100MHz
■ Supply current 113mA typ.
■ 300mil slimline package