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SA555N - General-purpose single bipolar timer

Download the SA555N datasheet PDF. This datasheet also covers the SA555 variant, as both devices belong to the same general-purpose single bipolar timer family and are provided as variant models within a single manufacturer datasheet.

General Description

The NE555, SA555, and SE555 monolithic timing circuits are highly stable controllers 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.

Key Features

  • Low turn-off time.
  • Maximum operating frequency greater than 500 kHz.
  • Timing from microseconds to hours.
  • Operates in both astable and monostable modes.
  • Output can source or sink up to 200 mA.
  • Adjustable duty cycle.
  • TTL compatible.
  • Temperature stability of 0.005% per °C.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SA555-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
SA555 PRECISION TIMERS ART CHIP
SA555 Precision Timer Texas Instruments
SA555 Timer Philips
SA555 Single Timer Fairchild Semiconductor
SA555 Precision Timer Diodes

Other Datasheets by STMicroelectronics

Part Number Description
SA555 General-purpose single bipolar timer
SA556 General-purpose dual bipolar timer
SA556D General-purpose dual bipolar timer
SA556N General-purpose dual bipolar timer

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NE555 SA555 - SE555 General-purpose single bipolar timers Features ■ Low turn-off time ■ Maximum operating frequency greater than 500 kHz ■ Timing from microseconds to hours ■ Operates in both astable and monostable modes ■ Output can source or sink up to 200 mA ■ Adjustable duty cycle ■ TTL compatible ■ Temperature stability of 0.005% per °C Description The NE555, SA555, and SE555 monolithic timing circuits are highly stable controllers 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.