SA556
SA556 is Dual Precision Timers manufactured by Texas Instruments.
NA556, NE556, SA556, SE556
SLFS023H
- APRIL 1978
- REVISED DECEMBER 2024
Nx556, Sx556 Dual Precision Timers
1 Features
- Two precision timing circuits per package
- Astable or monostable operation
- TTL-patible output can sink or source up to
200mA
- Active pullup or pulldown
2 Applications
- Precision timers from microseconds to hours
- Pulse-shaping circuits
- Missing-pulse detectors
- Pulse-width modulators
- Pulse-position modulators
- Sequential timers
- Pulse generators
- Frequency dividers
- Application timers
- Industrial controls
CONT
RESET
R THRES
R1 R1 S
TRIG
R DISCH
Simplified Schematic (Each Timer)
3...