Features

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Dual D-type positive edge-triggered flip-flop

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6 V max. operating

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7 V max. rating

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8.5 ns propagation delay

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Nickel/Palladium/Gold-lead-finished (NiPdAu), whisker-free

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Gold-wires

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RML <1% and CVCM <0.1% guaranteed outgassing

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50 krad (Si) Total Ionizing Dose

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SEL-free up to 62.5 MeV.cm²/mg

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Mass: 80 mg

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Compliant with ST-LEO-specification

Applications

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Low earth orbit (LEO) applications

Description

The LEOAC74 is a CMOS Dual D-type positive edge-triggered flip-flop for use in

aerospace environments. It operates from 2 V to 6 V power supply (7 V absolute

maximum rating).

The LEOAC74 can operate over a large temperature range of -40 °C to +125 °C and

it is housed in plastic TSSOP-20, Thin-Shrink Small Outline Package, 20 leads, using

golden bonding and Nickel/Palladium/Golden-lead-finishing to prevent whiskers.

The LEOAC74 is compliant with ST-LEO-specification, dedicated specification for

space-ready rad-hard plastic products. This AEC-Q100-based specification offers

a specific trade-off between footprint size savings, cost of ownership and quality

assurance together with radiation hardness and large quantity capability.

Maturity status link

LEOAC74

Rad-hard plastic Dual D-type positive edge-triggered flip-flop

LEOAC74

Datasheet

DS13861 - Rev 2 - January 2022

For further information contact your local STMicroelectronics sales office.

www.st.com