31 August 2023

CISSOID at The Battery Show North America in Novi, Michigan, on 12-14 Sept 2023.

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Dual D-type flip-flop

CHT-74xx Logic Family is optimized for High-Temperature, High Reliability applications. It brings digital functions to system designers targeting high temperature electronics, up to +225°C.

The CHT-7474 contains 2 independent high-temperature positive-edge triggered D-type Flip-flop. It can operate with a supply voltage from 3V to 5.5V.

Typical performances:

  • Temperature range: -55°C to 225°C
  • Input Voltage: 3V  to 5.5V
  • 2 independent D-type Flip-flop
  • Quiescent current: 2.2uA at 225°C
  • Available packaging: ceramic SOIC 16 and bare die



  • Well logging
  • Automotive, Aeronautics & Aerospace
  • Harsh Environments

If you need support for your high temperature design, contact Cissoid.

Download CISSOID's Altium Library for IC symbols and package footprints. For installation, read the related Application Note.


Die Map

Supporting its customers in the manufacturing of high temperature and high reliability hybrid modules, CISSOID delivers most of its CHT products as bare die. Please, do not hesitate to contact CISSOID to request die map information including die dimension, die finish, location and description of the bonding pads.


Ordering information

Product name Ordering reference Package Marking Status
CHT-7474 CHT-7474-CDIL14-T Ceramic DIL14 CHT-7474 Not for new designs
CHT-7474 CHT-7474-CSOIC16-T Ceramic SOIC16 CHT-7474 Active
CHT-7474 CHT-7474-V1.0-D-U Potential Good Die CHT-7474 Active