ICs & Logic 14 pins

NE556

Dual 555 timer in one 14-pin DIP package. Two independent timer channels.

// connector diagram 14 pins

// loading diagram...

// Specifications

Supply Voltage

4.5V – 16V

Timers

2 independent

Output Current

200 mA per channel

Package

DIP-14

Timing Accuracy

1% typical

// Pin Reference Table

Pin	Name	Function	Type
1	DIS1	Timer 1 discharge	I/O
2	CTRL1	Timer 1 control voltage	ADC
3	THR1	Timer 1 threshold	I/O
4	OUT1	Timer 1 output	I/O
5	RESET1	Timer 1 reset, active low	I/O
6	TRIG1	Timer 1 trigger	I/O
7	GND	Ground	GND
8	TRIG2	Timer 2 trigger	I/O
9	RESET2	Timer 2 reset, active low	I/O
10	OUT2	Timer 2 output	I/O
11	THR2	Timer 2 threshold	I/O
12	CTRL2	Timer 2 control voltage	ADC
13	DIS2	Timer 2 discharge	I/O
14	VCC	Supply 4.5V–16V	PWR

The NE556 is a dual 555 timer in a 14-pin DIP package, providing two independent timer circuits sharing a common VCC and GND. Each timer is functionally identical to the NE555.