Texas Instruments
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
SN74HC594DE4
詳情 數據表

SN74HC594DE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: High-speed, Serial-in Parallel-out (SIPO), 8-bit, Non-Inverting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Serial data is inputted and then shifted through the register to parallel outputs
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

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: 100 MHz
  • Maximum Data Rate: 25 Mbps

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. RCLK (Register Clock Input)
  3. SRCLK (Shift Register Clock Input)
  4. OE (Output Enable Input)
  5. QH' (Serial Output)
  6. QA-QH (Parallel Outputs)
  7. GND (Ground)
  8. VCC (Supply Voltage)

Functional Features

  • Serial-in Parallel-out (SIPO) operation
  • Non-inverting outputs
  • High-speed operation
  • Cascadable for larger shift registers
  • Output enable control for easy interfacing

Advantages

  • High-speed operation allows for quick data transfer
  • Non-inverting outputs ensure accurate signal reproduction
  • Cascadable design enables the creation of larger shift registers
  • Output enable control simplifies interfacing with other devices

Disadvantages

  • Limited number of parallel outputs (8 bits)
  • Requires external clock signals for proper operation
  • May require additional components for specific applications

Working Principles

The SN74HC594DE4 is a shift register IC that operates in a Serial-in Parallel-out (SIPO) configuration. It receives serial data through the SER pin and shifts it through the register using the SRCLK input. The RCLK input is used to latch the parallel outputs, which are available at the QA-QH pins. The QH' pin provides a serial output for cascading multiple shift registers.

Detailed Application Field Plans

The SN74HC594DE4 is commonly used in various applications that require serial-to-parallel data conversion. Some of the specific application fields include:

  1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix arrangement, allowing for efficient control and reduced pin count.
  2. Data Storage: The IC can be utilized in memory systems where data needs to be stored and retrieved in a sequential manner.
  3. Digital Communication: It can be employed in communication systems for data serialization and deserialization purposes.
  4. Industrial Automation: The shift register can be integrated into automation systems to control and monitor various devices.

Detailed and Complete Alternative Models

  1. 74HC595: Similar to SN74HC594DE4, but with an additional storage register for latching the outputs.
  2. CD4015: A dual 4-bit static shift register with parallel outputs.
  3. 74LS164: An 8-bit serial-in parallel-out shift register with asynchronous clear.

These alternative models offer similar functionality and can be considered as substitutes for the SN74HC594DE4 depending on specific requirements.

Word Count: 450 words

10個與SN74HC594DE4在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of SN74HC594DE4 in technical solutions:

  1. Q: What is SN74HC594DE4? A: SN74HC594DE4 is a high-speed, 8-bit shift register with output latches. It can be used for serial-to-parallel data conversion or as a general-purpose shift register.

  2. Q: What is the maximum clock frequency supported by SN74HC594DE4? A: The maximum clock frequency supported by SN74HC594DE4 is typically around 100 MHz.

  3. Q: How many outputs does SN74HC594DE4 have? A: SN74HC594DE4 has 8 outputs, which can be individually controlled.

  4. Q: Can SN74HC594DE4 be cascaded to increase the number of outputs? A: Yes, SN74HC594DE4 can be cascaded by connecting the serial output of one chip to the serial input of another, allowing for an increased number of outputs.

  5. Q: What is the voltage range supported by SN74HC594DE4? A: SN74HC594DE4 supports a voltage range of 2V to 6V.

  6. Q: Can SN74HC594DE4 be used with both CMOS and TTL logic levels? A: Yes, SN74HC594DE4 is compatible with both CMOS and TTL logic levels.

  7. Q: What is the power supply current required by SN74HC594DE4? A: The power supply current required by SN74HC594DE4 is typically around 4mA.

  8. Q: Does SN74HC594DE4 have any built-in protection features? A: Yes, SN74HC594DE4 has built-in protection features such as thermal shutdown and overvoltage protection.

  9. Q: Can SN74HC594DE4 be used in both digital and analog applications? A: SN74HC594DE4 is primarily designed for digital applications, but it can also be used in some analog applications with appropriate signal conditioning.

  10. Q: What are some common applications of SN74HC594DE4? A: Some common applications of SN74HC594DE4 include LED matrix displays, driving multiple LEDs or relays, multiplexing data, and general-purpose digital logic circuits.

I hope this helps! Let me know if you have any more questions.