SN74ALS374ADWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC-20
• Essence: D-type transparent latch
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: ALS
• Number of Bits: 8
• Input Voltage: 2V to 6V
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 10ns (typical)
• Output Current: ±24mA

Detailed Pin Configuration

The SN74ALS374ADWRE4 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. CLK (Clock Input)
11. OE (Output Enable)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Power Supply)

Functional Features

The SN74ALS374ADWRE4 is a D-type transparent latch that operates on a positive-edge clock signal. It is designed to store and transfer data in various applications. The key features of this IC include:

• High-speed operation, making it suitable for time-critical applications.
• Low-power consumption, ensuring efficient energy usage.
• Transparent latch design allows for real-time data transfer.
• 8-bit storage capacity for handling larger data sets.

Advantages and Disadvantages

Advantages

• High-speed operation enables quick data processing.
• Low-power consumption reduces energy costs.
• Transparent latch design facilitates real-time data transfer.
• Compact SOIC-20 package saves board space.
• Wide operating temperature range (-40°C to +85°C) ensures reliability in different environments.

Disadvantages

• Limited storage capacity (8 bits) may not be sufficient for certain applications requiring larger data sets.
• Requires an external clock signal for proper operation.

Working Principles

The SN74ALS374ADWRE4 functions as a D-type transparent latch. When the clock input (CLK) receives a positive-edge trigger, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The output enable (OE) pin controls the state of the outputs. When OE is low, the outputs are enabled and reflect the input data. Conversely, when OE is high, the outputs are disabled and hold their previous state.

Detailed Application Field Plans

The SN74ALS374ADWRE4 can be used in various applications, including:

1. Data storage and transfer in microcontrollers and microprocessors.
2. Address decoding in memory systems.
3. Register implementation in digital systems.
4. State machine design in control systems.
5. Data synchronization in communication systems.

Detailed and Complete Alternative Models

1. SN74ALS373ADWRE4: Octal D-type transparent latch with 3-state outputs.
2. SN74ALS374AN: D-type transparent latch with non-inverting outputs.
3. SN74ALS374ADWR: D-type transparent latch in SOIC-20 package.

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALS374ADWRE4, depending on specific requirements and availability.

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