SN74HC595PWG4

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: Serial-in, Parallel-out; 8-bit storage register with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Serial to parallel data conversion
• Packaging/Quantity: Tape and Reel, 2500 pieces 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: 25 MHz
• Number of Outputs: 8
• Number of Inputs: 3
• Logic Family: HC (High-Speed CMOS)

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. SRCLR (Shift Register Clear Input)
6. QA-QH (Parallel Outputs)
7. GND (Ground)
8. VCC (Supply Voltage)

Functional Features

The SN74HC595PWG4 is a serial-in, parallel-out shift register IC. It allows the conversion of serial data into parallel output. The device has an 8-bit storage register with 3-state outputs. It can be used in various applications where serial data needs to be expanded into multiple parallel outputs.

Advantages and Disadvantages

Advantages: - Simple and efficient serial-to-parallel data conversion - High-speed operation with a maximum clock frequency of 25 MHz - Wide supply voltage range allows compatibility with different systems - 3-state outputs provide flexibility in controlling the output signals

Disadvantages: - Limited number of inputs and outputs (3 inputs, 8 outputs) - Not suitable for applications requiring complex data manipulation

Working Principles

The SN74HC595PWG4 operates by shifting the serial input data into an internal shift register using the SRCLK input. The RCLK input is used to latch the data from the shift register into the storage register. The parallel outputs QA-QH reflect the data stored in the storage register. The OE input enables or disables the outputs, while the SRCLR input clears the shift register.

Detailed Application Field Plans

1. LED Matrix Display: The SN74HC595PWG4 can be used to control multiple LEDs in a matrix display. By serially shifting in the data for each row/column, the IC can drive the LEDs with minimal pin usage.

2. Seven-Segment Display: The IC can be employed to drive a seven-segment display by converting the serially inputted data into parallel output signals for each segment.

3. Data Multiplexing: It can be utilized for multiplexing data from multiple sources onto a single output line, reducing the number of required pins.

4. Shift Register Cascade: Multiple SN74HC595PWG4 ICs can be cascaded together to expand the number of outputs, allowing control of a larger number of devices.

Detailed and Complete Alternative Models

1. CD4094B: Similar shift register IC with 8-bit storage register and 3-state outputs.
2. 74HC164: 8-bit serial-in, parallel-out shift register IC with separate clock inputs for shifting and latching.
3. 74LS595: Serial-in, parallel-out shift register IC with 8-bit storage register and tri-state outputs.

These alternative models provide similar functionality to the SN74HC595PWG4 and can be used as replacements depending on specific requirements.

Word count: 466 words