40103 - Presettable 8-BIT synchromous down counter

pinout

1 CLK 16 Vcc 2 CLR 15 SPE 3 CE 14 ZO 4 D0 13 D7 5 D1 12 D6 6 D2 11 D5 7 D3 10 D4 8 GND 9 APE 40103 www.nanobob.com

symbol

www.nanobob.com 13 D7 14 ZO 12 D6 11 D5 10 D4 7 D3 6 D2 5 D1 4 D0 1 CLK 2 CLR 3 CE 15 SPE 9 APE

description

CE : counter enable

SPE : synchronous preset enable

ZO : zero output

APE : asynchronous preset enable

pin types

0 digital input (inverted) 0 digital output (inverted) 0 digital input-output (bidir) 0 analog (input or output) 0 positive power 0 ground 0 negative power