Low

TEXAS INSTRUMENTS  NE556N  Precision Timer IC, Timing Microseconds to Hours, TTL, Astable, Monostable, 4.5 V to 16 V, DIP-14

TEXAS INSTRUMENTS NE556N
Technical Data Sheet (11.05KB) EN See all Technical Docs

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Product Overview

The NE556N is a Precision Timer can be operated in the astable and the monostable mode with external resistor-capacitor (RC) timing control. The basic timing provided by the RC time constant can be controlled actively by modulating the bias of the control-voltage input. The threshold and trigger levels normally are 2/3rd and 1/3rd respectively of VCC. This level can be altered by using the control voltage terminal. When the trigger input falls below trigger level the flip-flop is set and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level the flip-flop is reset and the output is low. The reset input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low the flip-flop is reset and the output goes low. When the output is low, a low-impedance path is provided between the discharge terminal and ground.
  • TTL-compatible output can sink or source up to 150mA
  • Active pull-up or pull-down
  • Designed to be interchangeable with Signetics
  • Green product and no Sb/Br

 

Product Information

Frequency:
500kHz
Supply Voltage Min:
4.5V
Supply Voltage Max:
16V
Digital IC Case:
DIP
No. of Pins:
14Pins
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Packaging:
Each
Product Range:
-
MSL:
-
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Sensing & Instrumentation;
  • Communications & Networking

Legislation and Environmental

Moisture Sensitivity Level:
-
RoHS Compliant:
Yes
Authorized Distributor

Substitutes

Associated Products

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