NA556, NE556, SA556, SE556
DUAL PRECISION TIMERS
www.ti.com FEATURES Two Precision Timing Circuits Per Package
Astable or Monostable Operation
TTL-Compatible Output Can Sink or Source
up to 150 mA
Active Pullup or Pulldown
Designed to Be Interchangeable With
Signetics NE556, SA556, and SE556 APPLICATIONS Precision Timers From Microseconds to
Hours
Pulse-Shaping Circuits
Missing-Pulse Detectors
Tone-Burst Generators
Pulse-Width Modulators
Pulse-Position Modulators
Sequential Timers
Pulse Generators
Frequency Dividers
Application Timers
Industrial Controls
Touch-Tone Encoders SLFS023G – APRIL 1978 – REVISED JUNE 2006 NA556.D OR N PACKAGE
NE556.D, N, OR NS PACKAGE
SA556.D OR N PACKAGE …