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Product Detailed Parameters
- Description：IC FF JK TYPE DUAL 1BIT 16DIP
- Series：74ACT
- 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：100 MHz
- Max Propagation Delay @ V, Max CL：10.3ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：24mA, 24mA
- 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 CD74ACT109E is a dual J-K flip-flop with set and reset capabilities, manufactured by Texas Instruments. It operates on a single supply voltage ranging from 4.5V to 5.5V. The device features a propagation delay of 10.3 ns and supports a maximum frequency of 100 MHz. Quiescent current is typically 4 µA. It provides high-level output current of -24 mA and low-level output current of 24 mA. Input capacitance is 10 pF. Operating temperature range spans from -55°C to +125°C.
Feature Summary
- Dual independent J-K positive-edge-triggered flip-flops
- Integrated preset and clear functions for direct control
- High-speed operation with 100 MHz capability
- Wide operating temperature range for industrial applications
Applications
- Digital signal processing systems
- Data storage and register circuits
- Timing and control logic applications
- Industrial automation controllers
Procurement Notes
Verify the complete part number including suffix E for DIP package. Confirm Texas Instruments as the original manufacturer. Check datasheet for pinout compatibility with existing designs. Ensure voltage requirements match system specifications. Validate temperature ratings for operational environment.
Selection Notes
Choose this component when dual J-K flip-flop functionality is required with set and reset inputs. Consider the 4.5V to 5.5V supply range for compatibility. Evaluate the 10.3 ns propagation delay for timing constraints. Assess the -55°C to +125°C operating range for environmental suitability. Compare output drive capabilities against load requirements.
Part Context
Part of Texas Instruments' 74ACT series logic family. Complements other 74ACT devices in digital circuit design. Provides reliable performance in high-speed applications. Compatible with standard TTL and CMOS interfaces. Widely used in commercial and industrial electronic systems.
Replacement Considerations
CD74ACT109M is an alternative package option from the same manufacturer. Verify pinout and electrical characteristics before substitution. Ensure functional equivalence in set and reset operations. Confirm package dimensions fit existing PCB layout constraints.
