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Product Detailed Parameters
- Description：IC FF JK TYPE DUAL 1BIT 16DIP
- Series：74HCT
- Mfr：Texas Instruments
- Package：Tube
- Function：Set(Preset) and Reset
- Type：JK Type
- Output Type：Complementary
- Number of Elements：2
- Number of Bits per Element：1
- Clock Frequency：60 MHz
- Max Propagation Delay @ V, Max CL：35ns @ 4.5V, 50pF
- Trigger Type：Negative Edge
- Current - Output High, Low：4mA, 4mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：4 µA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：16-PDIP
- Package / Case：16-DIP (0.300", 7.62mm)
- Input Capacitance：10 pF
- Grade：-
- Qualification：-
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Overview
The CD74HCT112E is a dual J-K flip-flop with set and reset negative-edge trigger manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 5.5V and features a quiescent current of 4 µA. The device has an input capacitance of 10 pF and supports through-hole mounting in a 16-DIP package. It functions reliably across an operating temperature range of -55°C to 125°C (TA).
Feature Summary
- Dual J-K flip-flop configuration with negative-edge triggering mechanism.
- Integrated set and reset control inputs for direct state management.
- CMOS HCT logic compatibility ensures standard TTL interface levels.
Applications
- Digital data storage circuits requiring dual independent flip-flops.
- Frequency division and counter applications in digital systems.
- State machine implementations utilizing set and reset capabilities.
Procurement Notes
Verify the specific manufacturer source and authenticity when sourcing this component, as multiple distributors list it. Confirm that the package type matches the required 16-DIP specification for your PCB layout. Ensure the operating temperature range meets your environmental requirements before finalizing procurement decisions.
Selection Notes
Select this component when a dual J-K flip-flop with negative-edge triggering is required. It is suitable for designs needing integrated set and reset functions. The HCT logic family ensures compatibility with standard TTL interfaces. Consider the 16-DIP package for through-hole assembly needs.
Part Context
This part belongs to the Texas Instruments CD74HCT series, which utilizes CMOS technology compatible with TTL inputs. The '112' designation specifically indicates a dual J-K flip-flop with set and reset. The 'E' suffix typically denotes a specific package or temperature grade variant within the product line.
Replacement Considerations
Compatible substitutes include other dual J-K flip-flops from the same logic family. Verify pinout compatibility and electrical specifications such as supply voltage and operating temperature ranges before substitution.
