7456 Frequency divider. Can generate one second timing pulses from 50 Hz. Two '56 devices may be interconnected to give frequency division of 2500 to 1, 625 to 1, 100 to 1, etc. Features a reset pin that is common to all three counters. +----------+ CLKB |1 +--+ 8| QC VCC |2 7| QB QA |3 7456 6| RST GND |4 5| CLKA +----------+ [This information is part of the GIICM]