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54HC191 - Rad-hard high speed 2 to 6V CMOS logic

Download the 54HC191 datasheet PDF. This datasheet also covers the 54HC00 variant, as both devices belong to the same rad-hard high speed 2 to 6v cmos logic family and are provided as variant models within a single manufacturer datasheet.

General Description

The M54HCxxx and M54HCTxxx series is composed of CMOS functions specifically designed to meet the radiation requirements of the aerospace industry.

They include a large set of gates, flip-flops, multiplexers, counters, bus interface and several other functions.

Key Features

  • ESCC qualified.
  • 7 V Absolute maximum ratings.
  • 2 V to 6 V operating voltage for CMOS M54HCxxx series.
  • 4.5 V to 5.5 V operating voltage for TTL M54HCTxxx series.
  • Ceramic hermetic packages.
  • -55 °C to +125 °C operating temperature range.
  • Radiation hardness:.
  • TID : 50 krad(Si).
  • SEL immune up to 125 MeV. cm²/mg.
  • ESCC qualified.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (54HC00-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
54HC191 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS Texas Instruments
54HC191 Synchronous Binary Up/Down Counters National Semiconductor
54HC191 4 BIT SYNCHRONOUS UP/DOWN COUNTERS SGS-THOMSON
54HC190 Synchronous Decade Up/Down Counters National Semiconductor
54HC190 4 BIT SYNCHRONOUS UP/DOWN COUNTERS SGS-THOMSON

Other Datasheets by STMicroelectronics

Part Number Description
54HC193 Rad-hard high speed 2 to 6V CMOS logic
54HC10 Rad-hard high speed 2 to 6V CMOS logic
54HC109 Rad-hard high speed 2 to 6V CMOS logic
54HC11 Rad-hard high speed 2 to 6V CMOS logic
54HC123 Rad-hard high speed 2 to 6V CMOS logic

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
Product status link M54HCxxx, M54HCTxxx M54HCxxx, M54HCTxxx Datasheet Rad-hard high speed 2 to 6 V CMOS logic series Features • ESCC qualified • 7 V Absolute maximum ratings • 2 V to 6 V operating voltage for CMOS M54HCxxx series • 4.5 V to 5.5 V operating voltage for TTL M54HCTxxx series • Ceramic hermetic packages • -55 °C to +125 °C operating temperature range • Radiation hardness: – TID : 50 krad(Si) – SEL immune up to 125 MeV.cm²/mg • ESCC qualified Description The M54HCxxx and M54HCTxxx series is composed of CMOS functions specifically designed to meet the radiation requirements of the aerospace industry. They include a large set of gates, flip-flops, multiplexers, counters, bus interface and several other functions.