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Product Detailed Parameters
- Description：74HC21D-Q100/SOT108/SO14
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Logic Type：-
- Number of Circuits：-
- Number of Inputs：-
- Features：-
- Voltage - Supply：-
- Current - Quiescent (Max)：-
- Current - Output High, Low：-
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The Nexperia 74HC21D-Q100J is a dual 4-input AND gate integrated circuit designed for automotive applications. It operates within a supply voltage range of 2.0 V to 6.0 V and supports ambient temperatures from -40 °C to +125 °C. The device utilizes CMOS technology, providing low power dissipation and high noise immunity. It features input clamp diodes to facilitate interfacing with voltages exceeding VCC using current-limiting resistors. The component meets AEC-Q100 Grade 1 qualification standards and complies with JEDEC standards JESD8C and JESD7A.
Feature Summary
- Qualified for automotive electronics per AEC-Q100 Grade 1 standard
- CMOS architecture ensures low power consumption and high noise immunity
- Input clamp diodes enable safe interfacing with voltages above VCC
- Robust latch-up performance exceeding 100 mA per JESD 78 Class II Level B
Applications
- Automotive electronic systems requiring logic gating
- Digital signal processing circuits operating in harsh environments
- Interface modules connecting sensors or controllers with varying voltage levels
Procurement Notes
Verify the specific ordering suffix matches the required package type, as the D variant denotes an SO14 plastic small outline package (SOT108-1). Confirm that the temperature grade aligns with the application's thermal requirements, specifically the extended range up to +125 °C. Ensure compliance with AEC-Q100 Grade 1 specifications is necessary for the intended automotive deployment context.
Selection Notes
Select this component when a dual 4-input AND function is required in space-constrained automotive designs. The HC series offers compatibility with standard 5 V logic families while supporting lower voltages down to 2.0 V. Consider the SO14 package dimensions if board real estate is limited. Verify that the input voltage levels match the system's logic thresholds across the full operating temperature range.
Part Context
This part belongs to the Nexperia 74HC21-Q100 family of automotive-grade logic devices. The 'D' suffix identifies the SO14 surface-mount package, distinguishing it from the PW variant which uses a TSSOP14 package. Both variants share identical electrical characteristics and functional behavior but differ in physical footprint and pin pitch dimensions.
Replacement Considerations
Direct replacements must maintain the dual 4-input AND functionality and AEC-Q100 Grade 1 qualification. Verify pinout compatibility between the SO14 packages of potential substitutes. Ensure the alternative component supports the same 2.0 V to 6.0 V supply range and -40 °C to +125 °C operating temperature.
