4029 - Presettable up/down counter, binary or decimal

pinout

1 LOAD 16 VCC 2 Q4 15 CLK 3 D4 14 Q3 4 D1 13 D3 5 CI 12 D2 6 Q1 11 Q2 7 CO 10 UP/DN 8 GND 9 BIN/DEC 4029 www.nanobob.com

symbol

4 D1 6 Q1 12 D2 11 Q2 13 D3 14 Q3 3 D4 2 Q4 1 LOAD 15 CLK 5 CI 7 CO 10 UP/DN 9 BIN/DEC

description

Dx : data inputs

LOAD : (1-> load Dx into counter)

UP/DN : (1-> count UP)

(0-> count DOWN)

BIN/DEC : (1-> count binary [0..15])

(0-> count decimal [0..9])

CI : Carry Input (clock enable)

CO : Carry Output

pin types

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