12-Bit Binary Counter

The MC14040B is a 12-bit binary counter designed for time delay circuits, counter controls, and frequency-driving applications. It operates with a supply voltage range of 3.0V to 18V.

Manufacturer datasheet

Buy · DigiKey Buy · Mouser Buy · Amazon

In stock

Specifications

Operating Voltage: 3.0 Vdc to 18 Vdc
Supply Current: 5.0 mA per pin (max)
Package: SOIC-16, TSSOP-16

Pinout

Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.

Pin	Name	Functions	Notes
1	Q12	GPIO	Counter output
2	Q11	GPIO	Counter output
3	Q10	GPIO	Counter output
4	Q9	GPIO	Counter output
5	Q8	GPIO	Counter output
6	Q7	GPIO	Counter output
7	Q6	GPIO	Counter output
8	VSS	GND	Ground
9	Q5	GPIO	Counter output
10	C	GPIO	Common reset line
11	R	GPIO	Common reset line
12	Q4	GPIO	Counter output
13	Q3	GPIO	Counter output
14	Q2	GPIO	Counter output
15	Q1	GPIO	Counter output
16	VDD	POWER	Supply voltage

Interactive pinout

Highlight:

12-Bit Binary Counter

Click a pin to copy its name · tap a tag above to spotlight a bus.