74VHC595SJ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, Low-Power, CMOS Logic
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial-In, Parallel-Out Shift Register
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Clock Frequency: 100 MHz
• Number of Stages: 8
• Output Current: ±6mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74VHC595SJ has a total of 16 pins. The pin configuration is as follows:

1. QH' (Output)
2. QH (Output)
3. DS (Serial Data Input)
4. OE (Output Enable)
5. ST_CP (Storage Register Clock Input)
6. SH_CP (Shift Register Clock Input)
7. MR (Master Reset)
8. GND (Ground)
9. QG (Output)
10. QF (Output)
11. QE (Output)
12. QD (Output)
13. QC (Output)
14. QB (Output)
15. QA (Output)
16. VCC (Supply Voltage)

Functional Features

• Serial-in, parallel-out shift register with an 8-bit storage register
• High-speed operation with low power consumption
• CMOS logic technology ensures compatibility with various systems
• Output enable control for easy cascading of multiple devices
• Master reset function for clearing the shift register and storage register

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Low power consumption helps in reducing overall system power requirements - CMOS logic technology ensures compatibility with a wide range of systems - Output enable control simplifies cascading of multiple devices

Disadvantages: - Limited number of stages (8) may not be sufficient for certain applications requiring larger shift registers - Operating temperature range (-40°C to +85°C) may not be suitable for extreme environments

Working Principles

The 74VHC595SJ is a serial-in, parallel-out shift register. It receives data serially through the DS pin and shifts it into the internal shift register on each rising edge of the SHCP (Shift Register Clock) input. The data can then be transferred to the storage register by activating the STCP (Storage Register Clock) input. The stored data can be accessed in parallel from the QH' to QA outputs.

Detailed Application Field Plans

The 74VHC595SJ is widely used in various applications that require serial-to-parallel data conversion. Some common application fields include: 1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix arrangement, enabling dynamic patterns and animations. 2. Serial Data Communication: It can be utilized to convert serial data streams into parallel data for further processing or interfacing with other devices. 3. Control Systems: The shift register can be employed in control systems to store and manipulate digital signals, such as button inputs or sensor readings.

Detailed and Complete Alternative Models

Some alternative models to the 74VHC595SJ are: 1. 74HC595: Similar functionality but operates at a higher voltage range (2V to 6V). 2. CD4094: 8-stage serial-in, parallel-out shift register with complementary outputs. 3. SN74HC164: 8-bit serial-in, parallel-out shift register with asynchronous reset.

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