40103, 7440103 8-bit synchronous binary down counter with synchronous and asynchronous load and reset. Counter outputs only internally connected but ripple carry and zero detect outputs available. +----------+ CLK |1 +--+ 16| VCC /RST |2 15| /SLD /CLKEN |3 14| /RCO P0 |4 13| P7 P1 |5 40103 12| P6 P2 |6 11| P5 P3 |7 10| P4 GND |8 9| /ALD +----------+ [This information is part of the GIICM]