4516

4-bit binary up/down counter


PL	1 •	16	Vcc
Q3	2	15	CP
D3	3	14	Q2
D0	4	13	D2
CE	5	12	D1
Q0	6	11	Q1
TC	7	10	UP/DN
GND	8	9	MR

Pin	Symbol	Description
1	PL	parallel load (active high)
2	Q3	count output
3	D3	parallel input
4	D0	parallel input
5	CE	count enable (active low)
6	Q0	count output
7	TC	terminal count output (active low)
8	GND	ground
9	MR	master reset (active high)
10	UP/DN	up/down count control
11	Q1	count output
12	D1	parallel input
13	D2	parallel input
14	Q2	count output
15	CP	clock input (low-to-high edge-triggered)
16	Vcc	supply voltage

Notes

When counting up, TC goes low when the count is 15.
When counting down, TC goes low when the count is 0.
TC is always high when CE is high (counting is disabled).

Note: Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.