SN74AHC374PWE4

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: High-speed, low-power, 8-bit D-type flip-flop with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Sequential logic device used for storing and transferring data in digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.5 V
• Low-Level Input Voltage: -0.5 V to 0.3 x VCC
• High-Level Output Current: -6 mA
• Low-Level Output Current: 6 mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AHC374PWE4 has a total of 20 pins. The pin configuration is as follows:

1. 1CLR - Clear Input
2. 1D - Data Input
3. 1CP - Clock Pulse Input
4. 1OE - Output Enable Input
5. 1Q0 - Output 0
6. 1Q1 - Output 1
7. GND - Ground
8. 1Q2 - Output 2
9. 1Q3 - Output 3
10. 1Q4 - Output 4
11. 1Q5 - Output 5
12. 1Q6 - Output 6
13. 1Q7 - Output 7
14. VCC - Positive Power Supply
15. 2Q0 - Output 0
16. 2Q1 - Output 1
17. 2Q2 - Output 2
18. 2Q3 - Output 3
19. 2Q4 - Output 4
20. 2Q5 - Output 5

Functional Features

• High-speed operation: The SN74AHC374PWE4 can operate at high clock frequencies, making it suitable for applications requiring fast data transfer.
• Low-power consumption: It is designed to consume minimal power, making it energy-efficient and suitable for battery-powered devices.
• 3-state outputs: The device has 3-state outputs, allowing multiple devices to be connected together without causing conflicts on the bus.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low-power consumption prolongs battery life in portable devices. - 3-state outputs allow for easy integration with other devices.

Disadvantages: - Limited number of outputs (6 per port) may not be sufficient for complex systems. - TSSOP package may require careful handling during assembly.

Working Principles

The SN74AHC374PWE4 is a D-type flip-flop that stores and transfers data in digital systems. It operates based on the positive edge-triggered clock pulse input (1CP). When the clock pulse transitions from low to high, the data input (1D) is latched and stored in the flip-flop. The stored data is then available at the corresponding output pins (1Q0 to 1Q7).

The clear input (1CLR) allows for resetting the flip-flop to a known state. The output enable input (1OE) controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74AHC374PWE4 is widely used in various digital systems where sequential logic is required. Some common application fields include:

1. Microcontrollers: Used for storing and transferring data between different parts of the microcontroller.
2. Data storage systems: Used in memory modules to store and retrieve data.
3. Communication systems: Used for buffering and synchronizing data between different components.
4. Industrial automation: Used in control systems for storing and processing sensor data.

Detailed and Complete Alternative Models

1. SN74AHC374PW: Similar to SN74AHC374PWE4, but without the "E4" suffix indicating RoHS compliance.
2. SN74HC374N: High-speed CMOS logic version of the flip-flop, compatible with 5 V supply voltage.
3. CD40174BE: D-type flip-flop with similar functionality, but in a different package (DIP-16).

These alternative models offer similar functionality and can be used as replacements depending on specific requirements and availability.

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