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February 2009
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High temperature semiconductor specialist, Cissoid has introduced the CHT-74 Logic family for extreme temperatures.
 The products are optimised for high temperature applications and bring digital functions to system designers targeting high temperature electronics beyond 200°C.
The CHT-74 family is composed of a quad 2-input NAND, a hex inverter, a quad 2-input OR, a quad 2-input AND, a quad 2-input NOR, a Dual D-type flip-flop with set and reset, and a quad 2-input XOR. Most of the CHT-74 family circuits are pin-to pin compatible with standard 74 logic families. They maintain high speed performances and low leakage, even at high temperature.
CHT-74 series has been designed for applications such as oil and gas, aeronautics, space and automotive with a large temperature range from -55 to 225°C. All components can work between 3.3 and 5V power supply over the complete temperature range with input and output CMOS compatibility.
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Author
Chris Shaw
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