Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
SN74HC373PWE4
詳細を表示 DataSheets

SN74HC373PWE4

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-20
  • Essence: The SN74HC373PWE4 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 SN74HC373PWE4 has a TSSOP-20 package with the following pin configuration:

+---+--+---+ OE1 |1 +--+ 20| VCC I0 |2 19| I7 I1 |3 18| O7 I2 |4 17| I6 I3 |5 16| O6 I4 |6 15| I5 I5 |7 14| O5 I6 |8 13| I4 I7 |9 12| O4 GND |10 11| OE2 +----------+

Functional Features

  • Octal transparent D-type latches with 3-state outputs
  • Latch-enable (LE) input for data storage
  • Output-enable (OE) inputs for bus-oriented applications
  • High-speed operation suitable for high-frequency systems
  • Low power consumption for energy-efficient designs
  • Wide operating voltage range allows compatibility with various power supplies

Advantages and Disadvantages

Advantages: - Provides eight latches in a single package, saving board space - 3-state outputs enable easy interfacing with bus systems - High-speed CMOS technology allows for fast data transfer - Wide operating voltage range provides flexibility in system design

Disadvantages: - Limited to octal latch functionality, may not be suitable for applications requiring more or fewer latches - TSSOP-20 package may require careful PCB layout and soldering techniques

Working Principles

The SN74HC373PWE4 operates as an octal transparent latch. When the latch-enable (LE) input is high, the data on the inputs (I0-I7) is transferred to the outputs (O0-O7). The output-enable (OE) inputs control whether the outputs are active or in a high-impedance state. When OE1 or OE2 is low, the outputs are enabled and reflect the input data. When OE1 and OE2 are both high, the outputs are in a high-impedance state.

Detailed Application Field Plans

The SN74HC373PWE4 is commonly used in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Data storage and transfer systems - Address and data buses - Memory modules - Communication interfaces - Industrial automation equipment

Detailed and Complete Alternative Models

  • SN74HC573PWE4: Octal D-Type Latches with 3-State Outputs
  • SN74HC374PWE4: Octal Edge-Triggered D-Type Flip-Flops with 3-State Outputs
  • CD74HC373E: High-Speed CMOS Logic Octal Transparent Latch with 3-State Outputs

These alternative models provide similar functionality and can be used as substitutes for the SN74HC373PWE4 in various applications.

Word count: 511 words

技術ソリューションにおける SN74HC373PWE4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74HC373PWE4 in technical solutions:

  1. Q: What is SN74HC373PWE4? A: SN74HC373PWE4 is a high-speed octal transparent latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the maximum operating voltage for SN74HC373PWE4? A: The maximum operating voltage for SN74HC373PWE4 is 5.5V.

  3. Q: How many latch outputs does SN74HC373PWE4 have? A: SN74HC373PWE4 has 8 latch outputs.

  4. Q: What is the purpose of the 3-state outputs in SN74HC373PWE4? A: The 3-state outputs allow multiple devices to share a common bus without interfering with each other.

  5. Q: Can SN74HC373PWE4 be used in both parallel and serial data transfer applications? A: Yes, SN74HC373PWE4 can be used in both parallel and serial data transfer applications.

  6. Q: What is the maximum clock frequency supported by SN74HC373PWE4? A: The maximum clock frequency supported by SN74HC373PWE4 is typically around 80 MHz.

  7. Q: Does SN74HC373PWE4 have any built-in protection features? A: Yes, SN74HC373PWE4 has built-in diode clamps on all inputs to protect against electrostatic discharge (ESD).

  8. Q: Can SN74HC373PWE4 operate at different temperature ranges? A: Yes, SN74HC373PWE4 is designed to operate over a wide temperature range, typically from -40°C to 85°C.

  9. Q: What is the power supply voltage range for SN74HC373PWE4? A: The power supply voltage range for SN74HC373PWE4 is typically between 2V and 6V.

  10. Q: Can SN74HC373PWE4 be used in both CMOS and TTL logic systems? A: Yes, SN74HC373PWE4 is compatible with both CMOS and TTL logic systems, making it versatile for various applications.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for SN74HC373PWE4.