General description
The 74F269 is a fully synchronous 8-stage up/down counter featuring a preset capability for programmable operation, carry look-ahead 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 and benefits
■ Synchronous counting and loading
■ Built-in look-ahead carry capability
■ Count frequency 115 MHz (typical)
■ Supply current 95 mA (typical)