SN74HCT374PWT

The SN74HCT374PWT is a high-speed, low-power octal D-type flip-flop designed by Texas Instruments. It is part of the 74HCT family, which is known for its compatibility with TTL (Transistor-Transistor Logic) levels while operating at lower power levels. This device is particularly useful in digital circuits for data storage and transfer applications.

Key Features:

1. Functionality: The SN74HCT374PWT contains eight D-type flip-flops, which are edge-triggered. This means that the output state of each flip-flop changes in response to the clock signal, specifically on the rising edge of the clock pulse.

2. Data Inputs and Outputs: Each flip-flop has a data input (D) and a corresponding output (Q). The outputs are available in both direct (Q) and inverted (Q̅) forms, allowing for versatile circuit design.

3. Clock Input: The device features a single clock input (CLK) that controls the timing of data capture. The flip-flops will latch the input data on the rising edge of the clock signal.

4. Enable Input: The SN74HCT374PWT includes an active-low output enable (OE) input, which allows for the control of the output states. When OE is low, the outputs are enabled; when high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

5. Power Supply: The device operates with a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of applications that require TTL compatibility.

6. Propagation Delay: The SN74HCT374PWT boasts a fast propagation delay, typically around 15 ns at 5V, which makes it suitable for high-speed applications.

7. Temperature Range: It is rated for operation over a temperature range of -40°C to +85°C, ensuring reliability in various environmental conditions.

8. Package Type: The device is housed in a TSSOP (Thin Shrink Small Outline Package) with 20 pins, which provides a compact footprint for space-constrained applications.

Applications:

The SN74HCT374PWT is widely used in digital systems for applications such as:

• Data storage and transfer in microcontrollers and microprocessors.
• Shift registers and data latches in communication systems.
• Temporary data holding in state machines and control circuits.
• General-purpose data handling in various digital logic applications.

Conclusion:

The SN74HCT374PWT from Texas Instruments is a versatile and efficient octal D-type flip-flop that combines high-speed performance with low power consumption. Its TTL compatibility and robust features make it an ideal choice for a wide range of digital applications, ensuring reliable operation in both consumer and industrial electronics.