SN74HC373PW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics:
  • High-speed CMOS technology
  • Eight latches in a single package
  • 3-state outputs for bus-oriented applications
  • Wide operating voltage range: 2V to 6V
  • Low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74HC373PW is an integrated circuit that provides eight transparent D-type latches with 3-state outputs. It is commonly used in digital systems where data storage and transfer are required.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 80 MHz
• Maximum Propagation Delay: 15 ns
• Maximum Quiescent Current: 8 μA

Pin Configuration

The SN74HC373PW has a total of 20 pins, which are arranged 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. LE (Latch Enable)
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

• Transparent latch operation: The inputs are transferred to the outputs when the latch enable (LE) signal is high.
• 3-state outputs: The outputs can be put into a high-impedance state by setting the output enable (OE) signal low, allowing multiple devices to share a common bus.
• High-speed operation: The SN74HC373PW utilizes high-speed CMOS technology, enabling fast data transfer and processing.

Advantages and Disadvantages

Advantages: - Compact integration of eight latches in a single package - Wide operating voltage range allows compatibility with various systems - Low power consumption for energy-efficient designs - 3-state outputs facilitate bus-oriented applications

Disadvantages: - Limited maximum clock frequency compared to some other ICs - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74HC373PW operates based on the principles of transparent latch and 3-state logic. When the latch enable (LE) signal is high, the inputs (D0-D7) are transferred to the outputs (Q0-Q7). The output enable (OE) signal controls whether the outputs are active or in a high-impedance state. This enables efficient data storage, transfer, and sharing within digital systems.

Detailed Application Field Plans

The SN74HC373PW finds applications in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Data storage and retrieval systems - Address decoding circuits - Bus-oriented architectures - Communication interfaces - Industrial automation systems

Alternative Models

Other alternative models that provide similar functionality to the SN74HC373PW include: - 74HC373 - CD74HC373 - MC74HC373 - SN54HC373

These alternative models may have slight variations in specifications, pin configuration, or package type, but they serve the same purpose of providing octal transparent D-type latches with 3-state outputs.

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