Overview
The SN74ACT74D is a dual D-type positive-edge-triggered flip-flop manufactured by Texas Instruments (TI). It belongs to the 74ACT series, which is known for its high-speed performance and compatibility with TTL logic levels. This component is designed for applications requiring precise timing and data storage, making it suitable for use in digital systems, communication devices, and industrial automation. Its key selling points include a high clock frequency of 210 MHz, low power consumption, and robust performance across a wide temperature range.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Model | SN74ACT74D | - | - |
| Function | Dual D-type flip-flop | - | - |
| Output Type | Complementary | - | - |
| Clock Frequency | 210 | MHz | - |
| Propagation Delay | 7.5 | ns | @ 5V, 50pF |
| Supply Voltage | 4.5 ~ 5.5 | V | - |
| Static Current (Iq) | 2 | µA | - |
| Input Capacitance | 3 | pF | - |
| Operating Temperature | -40 ~ 85 | °C | - |
| Package | 14-SOIC | - | - |
Key Features
- Dual D-type flip-flop with preset and clear functionality.
- High-speed operation with a clock frequency of up to 210 MHz.
- Complementary outputs for versatile logic design.
- Low power consumption with a static current of only 2 µA.
- Wide operating temperature range of -40°C to 85°C.
- Compatible with TTL logic levels for easy integration into existing systems.
Applications
The SN74ACT74D is widely used in digital systems where precise timing and data storage are critical. Its applications include:
- Digital Signal Processing: Used in DSP systems for data synchronization and storage.
- Communication Devices: Ensures accurate data transmission in networking equipment.
- Industrial Automation: Provides reliable timing control in PLCs and control systems.
- Consumer Electronics: Integrated into devices like gaming consoles and smart appliances for logic operations.
Q & A
1. What is the operating voltage range of the SN74ACT74D?
The operating voltage range is 4.5V to 5.5V.
2. What is the maximum clock frequency supported?
The maximum clock frequency is 210 MHz.
3. Does this component have preset and clear functionality?
Yes, it includes preset and clear inputs for setting or resetting the outputs.
4. What is the propagation delay at 5V?
The propagation delay is 7.5 ns at 5V with a 50pF load.
5. Is the SN74ACT74D compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
6. What is the package type of this component?
It is available in a 14-SOIC package.
7. What is the static current consumption?
The static current consumption is 2 µA.
8. What is the operating temperature range?
It operates within a temperature range of -40°C to 85°C.
9. How many flip-flops are included in this component?
It contains two independent D-type flip-flops.
10. What are the typical applications of the SN74ACT74D?
Typical applications include digital signal processing, communication devices, industrial automation, and consumer electronics.
