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Product Detailed Parameters
- Description：DUAL POSITIVE-EDGE-TRIGGERED D-T
- Series：54AC
- Mfr：Texas Instruments
- Package：Tube
- Function：Set(Preset) and Reset
- Type：D-Type
- Output Type：Complementary
- Number of Elements：2
- Number of Bits per Element：1
- Clock Frequency：110 MHz
- Max Propagation Delay @ V, Max CL：10ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：24mA, 24mA
- Voltage - Supply：1.5V ~ 5.5V
- Current - Quiescent (Iq)：4 µA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：14-CDIP
- Package / Case：14-CDIP (0.300", 7.62mm)
- Input Capacitance：10 pF
- Grade：-
- Qualification：-
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Overview
The CD54AC74F3A is a dual positive-edge-triggered D-type flip-flop manufactured by Texas Instruments. It operates within a supply voltage range of 1.5V to 5.5V and features balanced noise immunity at 30% of the supply. The device is housed in a 14-pin Ceramic Dual In-Line Package (CDIP-J) and supports an extended operating temperature range from -55°C to +125°C.
Feature Summary
- Dual positive-edge-triggered D-type flip-flops with set and reset functionality
- Operates across a wide supply voltage range of 1.5V to 5.5V
- Balanced noise immunity at 30% of the supply voltage
- Extended military-grade temperature range from -55°C to +125°C
Applications
- Military and aerospace electronic systems requiring high reliability
- Industrial control applications operating in extreme temperatures
- Data storage and transfer registers in harsh environments
Procurement Notes
Verify that the specific part number CD54AC74F3A matches the required ceramic package and temperature rating. Confirm that the AC logic family specifications align with system voltage requirements. Ensure compatibility with existing board layouts for the 14-pin CDIP-J footprint before procurement.
Selection Notes
Select this component when dual D-type flip-flops with independent set and reset are needed in high-reliability applications. The AC series offers speed comparable to bipolar devices with lower power consumption. Verify that the 1.5V to 5.5V operating range covers the entire system voltage profile under all conditions.
Part Context
This device belongs to the Texas Instruments AC logic family, designed for high-speed digital applications. The CD54 series indicates military-grade quality and extended temperature performance. The F3A suffix denotes the specific ceramic dual in-line package configuration suitable for ruggedized electronics.
Replacement Considerations
Check for direct equivalents such as other CD54AC74 variants with identical pinouts and electrical characteristics. Verify that any substitute maintains the same ceramic package type and extended temperature range specifications.
