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Product Detailed Parameters
- Description：IC GATE NAND DUAL 4-INP 14CDIP
- Series：54HC
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：NAND Gate
- Number of Circuits：2
- Number of Inputs：4
- Features：-
- Voltage - Supply：2V ~ 6V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：5.2mA, 5.2mA
- Input Logic Level - Low：0.5V ~ 1.8V
- Input Logic Level - High：1.5V ~ 4.2V
- Max Propagation Delay @ V, Max CL：19ns @ 6V, 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 SN54HC20J is a military-grade dual four-input positive-NAND gate manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports an extended temperature range from -55°C to 125°C. The device utilizes HC CMOS technology and is housed in a 16-pin ceramic dual-in-line package (CDIP).
Feature Summary
- Provides two independent four-input NAND logic functions.
- Designed for operation across the full military temperature range.
- Compatible with standard CMOS logic output levels.
Applications
- Military aerospace digital logic systems
- High-reliability industrial control circuits
- Harsh environment data processing
Procurement Notes
Verify that the specific part number matches the required military grade specifications and ceramic packaging. Confirm compliance with applicable environmental standards and ensure the component meets the necessary reliability requirements for the intended operational environment.
Selection Notes
Select this component when high noise immunity and low power consumption are required alongside military-grade durability. Ensure the design accommodates the specified voltage limits and thermal constraints inherent to the HC series architecture.
Part Context
This component belongs to the SN54xx family, which denotes military-grade performance capabilities compared to commercial variants. It serves as a fundamental building block for complex digital logic designs requiring robust signal integrity under extreme conditions.
Replacement Considerations
Cross-reference with other SN54HC20 variants or equivalent military-grade NAND gates from qualified manufacturers to ensure pin compatibility and functional equivalence.
