SN74AC373DWG4

Product Overview

Category

SN74AC373DWG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as an octal transparent latch with 3-state outputs.

Characteristics

• Octal latch: The SN74AC373DWG4 has eight individual latches, allowing it to store and output data for multiple inputs.
• Transparent latch: The latch allows data to pass through when the enable signal is active.
• 3-state outputs: The outputs can be in three states - high, low, or high impedance.

Package

SN74AC373DWG4 is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74AC373DWG4 lies in its ability to store and control the flow of data in digital systems.

Packaging/Quantity

SN74AC373DWG4 is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: 2V to VCC
• Low-Level Output Voltage: GND to 0.8V
• Maximum Operating Frequency: 125 MHz
• Propagation Delay Time: 5 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of SN74AC373DWG4 is as follows:

1. D0 (Data Input 0)
2. D1 (Data Input 1)
3. D2 (Data Input 2)
4. D3 (Data Input 3)
5. D4 (Data Input 4)
6. D5 (Data Input 5)
7. D6 (Data Input 6)
8. D7 (Data Input 7)
9. GND (Ground)
10. OE (Output Enable)
11. LE (Latch 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 (Supply Voltage)

Functional Features

• Octal Latching: The SN74AC373DWG4 can latch and store data from its inputs.
• Transparent Operation: When the latch enable (LE) signal is active, the input data passes through to the outputs.
• 3-State Outputs: The outputs can be in a high, low, or high impedance state, allowing for easy bus sharing.

Advantages and Disadvantages

Advantages

• High-speed operation: The SN74AC373DWG4 can operate at frequencies up to 125 MHz.
• Easy integration: It can be easily integrated into digital systems due to its standard package and pin configuration.
• Multiple outputs: With eight individual latches, it provides flexibility in controlling multiple outputs simultaneously.

Disadvantages

• Limited voltage range: The supply voltage range is limited to 2V to 6V.
• Propagation delay: The propagation delay time of 5 ns may introduce timing issues in certain applications.

Working Principles

The SN74AC373DWG4 operates based on the principles of latch-based storage and control. When the latch enable (LE) signal is active, the input data is stored in the latch. The stored data can then be outputted when the output enable (OE) signal is active. The 3-state outputs allow for easy bus sharing by enabling multiple devices to share the same bus without interfering with each other.

Detailed Application Field Plans

SN74AC373DWG4 finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Memory systems - Data storage and retrieval systems - Communication systems - Industrial automation

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74AC373DWG4 are: - 74HC373: Similar octal transparent latch with 3-state outputs, compatible with a wider voltage range. - CD74ACT373: Octal transparent latch with 3-state outputs, designed for higher-speed operation. - MC74AC373: Octal transparent latch with 3-state outputs, optimized for low power consumption.

These alternative models offer similar functionality and can be chosen based on specific requirements and compatibility with the system.

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