STMicroelectronics LEOAC00
The LEOAC00 is a CMOS low power quad 2-input NAND gate qualified for use in aerospace environments. It operates from 1.65 V to 6 V power supply (7 V absolute maximum ratings). The LEOAC00 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 gold-wires and nickel/palladium/golden-lead-finishing to prevent from whiskers.| Part No. | LEOAC00 |
|---|---|
| Datasheet | LEOAC00 Download |
| Manufacturer |  STMicroelectronics |
| Description | Rad-hard plastic quad 2-input NAND gate |
| Buy | Stock & Price |
FEATURES
● NAND gate● 1.65 V to 6 V operating supply
● 7 V max. rating
● 8 ns propagation delay
● Nickel/palladium/gold-lead-finished (NiPdAu), whisker-free
● Gold-wires
● RML < 1% and CVCM < 0.1% guaranteed outgassing
● 50 krad (Si) total ionizing dose
● SEL-free up to 62.5 MeV.cm²/mg
● Mass: 80 mg
● Compliant with ST-LEO-specification Application
● Low earth orbit (LEO) applications
DESCRIPTION
The LEOAC00 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. DS13639 - Rev 6 - March 2026 For further information, contact your local STMicroelectronics sales office. 1 Functional description Figure 1. Pin connections (top view) LEOAC00 Functional description 1A 1 1B 2 1Y 3 2A 4 2B 5 2Y 6 NC 7 NC 8 NC 9 GND 10 20 VC C 19 3A 18 3B 17 3Y 16 4A 15 4B 14 4Y 13 NC 12 NC 11 NC NC: not internally connected.
