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Product Detailed Parameters
- Description：SN54HC112 DUAL J-K NEGATIVE-EDGE
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Function：-
- Type：-
- Output Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Input Capacitance：-
- Grade：-
- Qualification：-
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Overview
The Texas Instruments 84088012A is a dual J-K negative-edge-triggered flip-flop with clear and preset inputs, part of the SN54HC112 series. It features a wide operating voltage range of 2V to 6V and outputs capable of driving up to 10 LSTTL loads. The device exhibits low power consumption with a maximum ICC of 40µA and a typical propagation delay (tpd) of 13ns. It provides ±4mA output drive capability. The component utilizes a ceramic metal-sealed cofired package with 20 terminals, designed for military specifications.
Feature Summary
- Dual J-K negative-edge-triggered configuration with dedicated clear and preset functions
- Military-grade ceramic metal-sealed cofired packaging for environmental resilience
- Wide supply voltage operation supporting compatibility with various logic families
Applications
- Military aerospace digital systems requiring radiation-hardened or high-reliability logic
- Industrial control applications demanding stable state retention under harsh conditions
- High-reliability computing equipment utilizing SN54HC series logic standards
Procurement Notes
Verify that the specific order includes the full military specification designation, as commercial equivalents may differ in package material and temperature range. Confirm the presence of the ceramic metal-sealed cofired construction rather than standard plastic packages. Ensure documentation explicitly states compliance with SN54HC112 military standards. Request batch traceability records if required for defense or aerospace procurement protocols. Validate terminal count and pinout against schematic requirements prior to integration.
Selection Notes
Select this component when high reliability and environmental stability are prioritized over cost. The ceramic metal-sealed package offers superior protection against moisture and mechanical stress compared to standard plastic variants. Consider the wider operating temperature range suitable for extreme environments. Evaluate the negative-edge triggering requirement against system clocking schemes. Ensure the 2V to 6V supply range aligns with the target circuit design constraints.
Part Context
This part belongs to the SN54HC112 family of dual J-K flip-flops manufactured by Texas Instruments. The SN54 series denotes military-grade components, distinct from the commercial SN74 series. It serves as a fundamental sequential logic element for storing binary data. The 84088012A variant specifically indicates the military ceramic package version, ensuring durability in demanding operational scenarios where standard industrial components might fail.
Replacement Considerations
SN54HC112J: Commercial grade plastic DIP equivalent; lacks military certification and rugged packaging. SN54HC112FK: Military grade but different package style; verify pinout compatibility. SN54HC112W: Wide body military variant; check physical dimensions. Direct substitution requires confirming package type and temperature rating alignment.
