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Product Detailed Parameters
- Description：IC BINARY COUNTER 4-BIT 16CDIP
- Series：54ACT
- Mfr：National Semiconductor
- Package：Bulk
- Logic Type：Binary Counter
- Direction：Up
- Number of Elements：1
- Number of Bits per Element：4
- Reset：Asynchronous
- Timing：Synchronous
- Count Rate：85 MHz
- Trigger Type：Positive Edge
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-CDIP (0.300", 7.62mm)
- Supplier Device Package：16-CDIP
- Voltage - Supply：4.5 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The 54ACT161JRQMLV is a radiation-hardened synchronous binary counter with asynchronous clear, belonging to the high-speed CMOS 54AC/54ACT series designed for aerospace applications. It operates within a voltage range of 4.5 V to 5.5 V and withstands a total ionizing dose (TID) of 300 krad(Si). The device is immune to single event latch-up up to 110 MeV.cm²/mg and is characterized for single event upset and set effects. It functions across a temperature range of -55 °C to +125 °C and is housed in a hermetic ceramic package.
Feature Summary
- High radiation hardness suitable for demanding space conditions
- Immunity to single event latch-up and upset effects
- Hermetic ceramic packaging for harsh environments
Applications
- Aerospace systems requiring radiation tolerance
- Harsh environmental electronic circuits
- Spacecraft data processing and control logic
Procurement Notes
Verify that the specific part number matches the required QML-V qualification level and hermetic package type. Confirm compliance with SMD specifications available via the DLA website. Ensure the component meets the necessary radiation hardness requirements for the intended mission profile before procurement.
Selection Notes
Select this component when radiation tolerance is critical for synchronous counting operations. It is appropriate for designs requiring high-speed CMOS performance under extreme thermal and radiative stress. Consider the hermetic package constraints and power supply requirements during system integration.
Part Context
This component is part of the broader 54AC/54ACT family of radiation-hardened CMOS functions. The series includes various gates, flip-flops, counters, and bus interfaces tailored for the aerospace industry. These devices share common radiation hardening features and hermetic packaging standards.
Replacement Considerations
Consult the DLA web site for standard microcircuit drawings to identify qualified alternatives. Verify that any substitute maintains the same radiation hardness levels and package compatibility.
