SN74HCT374DBRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, CMOS Logic, Octal D-Type Transparent Latch
• Package: 20-Pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74HCT374DBRG4 is a high-speed octal D-type transparent latch that operates on CMOS logic. It is commonly used in digital systems for data storage and transfer.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Logic Family: HCT
• Number of Bits: 8
• Latch Type: D-Type Transparent
• Operating Voltage: 2V to 6V
• Propagation Delay Time: 12 ns (typical)
• Output Current: ±6 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74HCT374DBRG4 has a total of 20 pins. The pin configuration is as follows:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Output 0)
14. Q1 (Output 1)
15. Q2 (Output 2)
16. Q3 (Output 3)
17. Q4 (Output 4)
18. Q5 (Output 5)
19. Q6 (Output 6)
20. Q7 (Output 7)

Functional Features

• Octal D-Type Transparent Latch: The SN74HCT374DBRG4 can store and transfer data using eight D-type transparent latches.
• High-Speed Operation: With a typical propagation delay time of 12 ns, this IC ensures efficient data transfer in digital systems.
• CMOS Logic: The use of CMOS logic allows for low power consumption and compatibility with a wide range of digital systems.

Advantages and Disadvantages

Advantages

• High-speed operation enables quick data transfer.
• CMOS logic ensures low power consumption.
• Octal latch design provides flexibility in data storage and transfer.

Disadvantages

• Limited output current may restrict usage in certain applications.
• Operating temperature range may not be suitable for extreme environments.

Working Principles

The SN74HCT374DBRG4 operates based on the principles of D-type transparent latches. When the clock pulse (CP) is high, the input data (D0-D7) is transferred to the corresponding outputs (Q0-Q7). The output enable (OE) pin controls the output state, allowing the stored data to be read or held. The master reset (MR) pin resets all outputs to a low state when activated.

Detailed Application Field Plans

The SN74HCT374DBRG4 is widely used in various digital systems that require data storage and transfer. Some common application fields include:

1. Microcontrollers: Used for storing and transferring data between microcontrollers and peripheral devices.
2. Communication Systems: Enables data buffering and synchronization in communication protocols.
3. Memory Modules: Facilitates data storage and retrieval in memory modules.
4. Data Acquisition Systems: Helps in capturing and processing data from sensors and other input devices.
5. Industrial Automation: Used in control systems for storing and transferring data between different components.

Detailed and Complete Alternative Models

1. SN74HCT374N: DIP (Dual In-line Package) version of the SN74HCT374DBRG4.
2. MC74HCT374AN: Alternative CMOS logic octal D-type transparent latch from a different manufacturer.
3. CD74HCT374E: High-speed octal D-type transparent latch with similar characteristics.

These alternative models provide similar functionality and can be used as replacements for the SN74HCT374DBRG4 in various applications.

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