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Product Detailed Parameters
- Description：SN54HC374 OCTAL D-TYPE EDGE-TRIG
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Function：-
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- 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：-
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- Input Capacitance：-
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Overview
The Texas Instruments 84071012A is an SN54HC374 octal D-type edge-triggered flip-flop with 3-state outputs. It operates within a wide voltage range of 2 V to 6 V and features high-current outputs capable of driving up to 15 LSTTL loads. The device integrates eight D-type flip-flops in a single package, supporting clock frequencies up to 24 MHz. Propagation delays are specified at 230 ns at 2 V, 46 ns at 4.5 V, and 39 ns at 6 V. It functions as a D-type bus interface with a maximum output current of -7.8 mA and operates across a temperature range of -55°C to +125°C.
Feature Summary
- Integrates eight D-type flip-flops in a single package for compact design
- Features high-current 3-state true outputs for robust load driving
- Supports wide operating voltage range from 2 V to 6 V
- Designed for high-speed and low-power applications
Applications
- High-speed digital data storage
- Bus-oriented memory mapping
- D-type bus interface circuits
- Low-power logic systems
Procurement Notes
Verify the exact package type, as sources indicate LCC-20 (8.9x8.9) dimensions. Confirm the manufacturer designation matches Texas Instruments SN54HC374 specifications. Ensure compatibility with required operating temperatures ranging from -55°C to +125°C. Cross-reference datasheet parameters for propagation delay and output current against system requirements before procurement.
Selection Notes
Select this component when requiring an octal flip-flop with 3-state outputs for bus interfacing. Consider the wide voltage range suitable for various logic families. Evaluate the propagation delay characteristics against system timing constraints. Ensure the package style meets board layout requirements for SMT assembly.
Part Context
This part belongs to the SN54HC374 series of octal D-type flip-flops. It is designed for military-grade or high-reliability applications given the extended temperature range. The device complements other HC logic family components by providing high-speed performance and low power consumption.
Replacement Considerations
Direct substitutes include other SN54HC374 variants from Texas Instruments. Verify pinout and electrical specifications match exactly. Alternative manufacturers may offer compatible parts but require thorough parameter validation.
