Product Summary

The NE556N is a dual monolithic timing circuit. It is a highly stable controller capable of producing accurate time delays or oscillation. In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor. For a stable operation as an oscillator, the free running frequency and the duty cycle are both accurately controlled with two external resistors and one capacitor. The NE556N may be triggered and reset on falling waveforms, and the output structure can source or sink up to 200mA.

Parametrics

NE556N absolute maximum ratings: (1)Vcc, Supply Voltage: 18 V; (2)Toper, Operating Free Air Temperature Range for: 0 to 70℃; (3)Tj, Junction Temperature: 150℃; (4)Tstg, Storage Temperature Range: –65 to 150℃.

Features

NE556N features: (1)low turn off time; (2)maximum operating frequency greater than 500kHz; (3)timing from microseconds to hours; (4)operates in both astable and monostable modes; (5)high output current can source or sink 200mA; (6)adjustable duty cycle; (7)TTL compatible; (8)temperature stability of 0.005% per ℃.

Diagrams

NE556N block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
NE556N
NE556N
Texas Instruments
Timers & Support Products Dual Precision
Data Sheet
0-1: $0.27
1-25: $0.23
25-100: $0.17
100-250: $0.17
NE556NE4
NE556NE4
Texas Instruments
Timers & Support Products DUAL PRECISION TIMER
Data Sheet
0-1: $0.36
1-25: $0.25
25-100: $0.21
100-250: $0.19
NE556NSR
NE556NSR
Texas Instruments
Timers & Support Products Dual Precision
Data Sheet
0-1: $0.36
1-25: $0.25
25-100: $0.21
100-250: $0.19
NE556NSRE4
NE556NSRE4
Texas Instruments
Timers & Support Products DUAL PRECISION TIMER
Data Sheet
0-1: $0.26
1-25: $0.21
25-100: $0.18
100-250: $0.16
NE556NSRG4
NE556NSRG4
Texas Instruments
Timers & Support Products Dual Prec Timer
Data Sheet
0-1: $0.26
1-25: $0.21
25-100: $0.18
100-250: $0.16