SN74HCT373DWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics: High-speed, low-power, 8-bit latch, 3-state outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74HCT373DWRE4 is a latch IC that can store and output 8 bits of data. It is commonly used in digital systems for temporary storage and data transfer.
• Packaging/Quantity: The SN74HCT373DWRE4 is available in a reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Output Current: ±6 mA

Pin Configuration

The SN74HCT373DWRE4 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. 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 transparent latch with 3-state outputs
• High-speed operation
• Low power consumption
• Non-inverting outputs
• Direct interface with TTL levels
• Output capability: bus driver

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Low power consumption helps in reducing overall system power requirements
• Non-inverting outputs simplify interfacing with other digital components
• Direct interface with TTL levels makes it compatible with a wide range of systems
• Output capability as a bus driver enables easy connection to other devices

Disadvantages

• Limited output current may restrict its use in certain applications requiring higher current drive capabilities
• The SOIC package may not be suitable for all PCB layouts or assembly processes

Working Principles

The SN74HCT373DWRE4 operates as an octal transparent latch with 3-state outputs. It can store 8 bits of data and provide the stored data on its outputs when enabled. The latch is transparent, meaning that the inputs are directly transferred to the outputs when the latch enable (LE) signal is active. When the output enable (OE) signal is active, the outputs are in a high-impedance state, allowing multiple devices to share a common bus.

Detailed Application Field Plans

The SN74HCT373DWRE4 is commonly used in various digital systems where temporary storage and data transfer are required. Some specific application fields include:

1. Microcontrollers and microprocessors
2. Data communication systems
3. Memory modules
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

• 74HC373: Similar octal transparent latch with 3-state outputs, but operates at a lower voltage range (2V to 6V)
• CD74HCT373: Octal transparent latch with 3-state outputs, but in a different package (DIP - Dual Inline Package)
• SN74LS373: Octal transparent latch with 3-state outputs, but operates at a different logic family (LS - Low Power Schottky)

These alternative models provide similar functionality and can be used as substitutes for the SN74HCT373DWRE4 depending on specific requirements.

In conclusion, the SN74HCT373DWRE4 is a versatile latch IC that offers high-speed operation, low power consumption, and direct interface with TTL levels. Its octal design and 3-state outputs make it suitable for various digital systems requiring temporary storage and data transfer. While it has certain limitations, such as limited output current and package constraints, there are alternative models available to meet specific needs.