SN74AS373DWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, octal transparent latch
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: D-type flip-flop with 3-state outputs
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V min
• Low-Level Input Voltage: 0.8V max
• High-Level Output Voltage: 2.7V min
• Low-Level Output Voltage: 0.5V max
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA at 4.5V
• Propagation Delay Time: 6ns typical

Detailed Pin Configuration

The SN74AS373DWRE4 has a total of 20 pins. The pin configuration 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. CP: Clock pulse
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

• Octal transparent latch with 3-state outputs
• Latches data on the rising edge of the clock pulse
• Outputs are enabled when the output enable (OE) signal is high
• High-speed operation for efficient data transfer
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data storage and transfer - 3-state outputs provide flexibility in connecting multiple devices - Wide operating voltage range ensures compatibility with different power supplies

Disadvantages: - Limited number of inputs and outputs restricts the complexity of applications - Not suitable for applications requiring extensive logic operations

Working Principles

The SN74AS373DWRE4 is a D-type flip-flop with 3-state outputs. It latches data on the rising edge of the clock pulse. When the output enable (OE) signal is high, the outputs are enabled and can drive external devices. The chip operates at high speed, allowing for efficient data storage and transfer.

Detailed Application Field Plans

The SN74AS373DWRE4 is commonly used in various digital systems that require data storage and transfer. Some specific application fields include:

1. Microcontrollers: Used to store and transfer data between the microcontroller and other 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 storing 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. SN74LS373: Low-power octal transparent latch with 3-state outputs.
2. SN74HC373: High-speed CMOS octal transparent latch with 3-state outputs.
3. SN74ACT373: Advanced CMOS octal transparent latch with 3-state outputs.

These alternative models offer similar functionality to the SN74AS373DWRE4 but may have different characteristics, package types, or operating voltage ranges.

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