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NA555S - Precision Timer

Download the NA555S datasheet PDF. This datasheet also covers the NA555 variant, as both devices belong to the same precision timer family and are provided as variant models within a single manufacturer datasheet.

General Description

These devices are precision timing circuits capable of producing accurate time delays or oscillation.

In the timedelay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network.

Key Features

  • Timing from microseconds to hours.
  • Astable or monostable operation.
  • Adjustable duty cycle.
  • TTL compatible output can source or sink up to 200mA.
  • “Green” Molding Compound (No Br, Sb).
  • Lead Free Finish/ RoHS Compliant (Note 1) Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www. diodes. com/products/lead_free. html. VCC DISCH THRES CONT NE555/SA555/NA555 Document number: DS35.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NA555-Diodes.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
NA555 Precision Timer Texas Instruments
NA555D Precision Timer Texas Instruments
NA555P Precision Timers Texas Instruments
NA556 Dual Precision Timers Texas Instruments
NA51 3.5Amp complementary power transistors National Semiconductor

Other Datasheets by Diodes Incorporated

Part Number Description
NA555 Precision 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
NEW PRODUCT NE555/SA555/NA555 PRECISION TIMERS Description These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the timedelay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high.