LM556/NE556 Dual Timer IC Q8 C1

NE555 Timer IC has an operating voltage from +5V to +18V and the output pin can source/sink up to 150mA current. The minimum threshold voltage for the trigger pin is 2.4V when operated with 5V.

NE556 IC Pinout

  

Pin configuration

Pin Number

Pin Name

Description

1,13

Discharge

Open collector output which discharges a capacitor.

2,12

Threshold

Compares the voltage applied to the terminal with a reference voltage.

3,11

Control Voltage

Controls the threshold and trigger levels.

4,10

Reset

A negative pulse applied to this pin to disable or reset the timer.

5,9

Out

Normally connected to load

6,8

Trigger

Responsible for the transition of the flip-flop from set to reset.

7

Ground

Ground Pin

14

Vcc

Supply Voltage Pin

Features & Specifications

Two precision Timers in one single package

Operating Voltage Range: 5V to 18V.

The source/sink current of the output pin is 150mA

Supply Current: 10mA

Operating Temperature: 0 to 70°C

Active Pullup or Pulldown

Designed to Be Interchangeable With Signetics NE556, SA556, and SE556

Available in 14-pin SOIC, and MDIP packages

 

Package Contents

1× LM556/NE556 Dual Timer IC