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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14CDIP
- Series：54AS
- Mfr：Texas Instruments
- Package：Tube
- Logic Type：AND Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：-
- Current - Output High, Low：2mA, 20mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：6.5ns @ 5V, 50pF
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Supplier Device Package：14-CDIP
- Package / Case：14-CDIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The SN54AS08J is a quadruple 2-input positive-AND gate manufactured by Texas Instruments. It belongs to the AS-TTL series and features a ceramic dual in-line package (CDIP) with 14 pins. The device operates within an extended temperature range of -55°C to 125°C, suitable for military and aerospace applications.
Feature Summary
- Provides four independent 2-input AND logic functions
- Utilizes high-speed AS-TTL technology for rapid switching
- Constructed with hermetically sealed ceramic packaging
Applications
- Military avionics systems
- Aerospace computing logic
- High-reliability industrial control circuits
Procurement Notes
Verify the manufacturer source carefully, as this component may be produced by Texas Instruments or distributed through authorized channels like Rochester Electronics. Confirm the specific datasheet version matches the required performance specifications for your design. Ensure the ceramic DIP package integrity is maintained during handling to preserve hermetic sealing properties essential for harsh environments.
Selection Notes
Select this part when high-speed logic is required alongside extreme temperature tolerance. The AS-TTL series offers faster propagation delays than standard TTL while maintaining compatible voltage levels. The ceramic package provides superior environmental protection compared to plastic alternatives, making it ideal for long-life mission-critical electronics where reliability under thermal stress is paramount.
Part Context
This component is part of the broader SN54xx family designed for military-grade specifications. Unlike commercial SN74xx variants, the SN54xx series guarantees operation across the full -55°C to 125°C range. The AS sub-series specifically targets applications needing reduced power consumption and increased speed relative to older LS or S families.
Replacement Considerations
Direct substitutes include SN54AS08FK in LCC package or SN54AS08J from alternative qualified vendors. Verify pinout compatibility and electrical characteristics before substitution.
