Overview
The SN74AHCT74DR is a dual positive-edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This device is part of the AHCT series, which is known for its advanced high-speed CMOS (AHC) technology. The SN74AHCT74DR features two independent D-type flip-flops, each with clear and preset inputs, making it suitable for a variety of digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Operating Range | 4.5 to 5.5 | V |
| Maximum ICC (Power Consumption) | 10 | μA |
| Output Drive at 5 V | ±8 | mA |
| Input Compatibility | TTL-voltage compatible | |
| Pulse Duration (PRE or CLR low) | 5 | ns |
| Setup Time before CLK↑ (Data) | 5 | ns |
| Hold Time, Data after CLK↑ | 0 | ns |
| Maximum Clock Frequency (CL = 15 pF) | 100 | MHz |
| Package Type | 14-SOIC (0.154", 3.90mm Width) |
Key Features
- Dual positive-edge-triggered D-type flip-flops with clear and preset inputs.
- Operating range of 4.5 V to 5.5 V.
- Low power consumption with a maximum ICC of 10 μA.
- ±8-mA output drive at 5 V.
- Inputs are TTL-voltage compatible.
- Advanced high-speed CMOS (AHC) technology.
Applications
The SN74AHCT74DR is suitable for various digital logic applications, including but not limited to:
- Sequential logic circuits.
- Counters and shift registers.
- Memory elements in digital systems.
- Timing and control circuits.
Q & A
- What is the operating voltage range of the SN74AHCT74DR?
The operating voltage range is 4.5 V to 5.5 V. - What is the maximum power consumption of the SN74AHCT74DR?
The maximum power consumption is 10 μA. - What is the output drive capability of the SN74AHCT74DR at 5 V?
The output drive capability is ±8 mA. - Are the inputs of the SN74AHCT74DR TTL-voltage compatible?
Yes, the inputs are TTL-voltage compatible. - What is the package type of the SN74AHCT74DR?
The package type is 14-SOIC (0.154", 3.90mm Width). - What is the maximum clock frequency of the SN74AHCT74DR with a load capacitance of 15 pF?
The maximum clock frequency is 100 MHz. - What is the setup time before the clock rises for the data input?
The setup time is 5 ns. - What is the hold time for the data input after the clock rises?
The hold time is 0 ns. - What technology is used in the SN74AHCT74DR?
The device uses advanced high-speed CMOS (AHC) technology. - What are some common applications of the SN74AHCT74DR?
Common applications include sequential logic circuits, counters, shift registers, memory elements, and timing and control circuits.
