SN74HC594DG4

Product Overview

Category

SN74HC594DG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics and microcontroller-based systems for data storage, shift register functionality, and signal processing.

Characteristics

• High-speed operation
• Wide operating voltage range
• Low power consumption
• Compatibility with various logic families
• Output current capability
• Schmitt-trigger inputs for noise immunity

Package

SN74HC594DG4 is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74HC594DG4 lies in its ability to provide serial-to-parallel data conversion and parallel data output capabilities. It acts as an efficient shift register with latch functionality.

Packaging/Quantity

SN74HC594DG4 is typically packaged in reels or tubes, containing a quantity of 250 or 2000 units, respectively.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Maximum Output Current: 6 mA

Detailed Pin Configuration

1. Q0 (Output)
2. Q1 (Output)
3. Q2 (Output)
4. Q3 (Output)
5. Q4 (Output)
6. Q5 (Output)
7. Q6 (Output)
8. Q7 (Output)
9. GND (Ground)
10. SER (Serial Data Input)
11. RCLK (Register Clock Input)
12. SRCLK (Shift Register Clock Input)
13. OE (Output Enable)
14. SRCLR (Shift Register Clear)
15. QA (Output)
16. VCC (Supply Voltage)

Functional Features

• Serial-to-parallel data conversion
• Parallel data output
• Latch functionality for holding data
• Cascading capability for expanding the number of outputs
• Output enable control for power-saving mode
• Shift register clearing option

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Wide operating voltage range provides flexibility in various applications.
• Low power consumption contributes to energy efficiency.
• Compatibility with different logic families enhances versatility.
• Schmitt-trigger inputs ensure reliable performance in noisy environments.

Disadvantages

• Limited number of outputs may restrict certain applications requiring a higher number of parallel outputs.
• Lack of built-in protection features against electrical faults or ESD (Electrostatic Discharge) events.

Working Principles

SN74HC594DG4 operates based on the principle of serial-in, parallel-out shift registers. It receives serial data through the SER pin and shifts it into the internal shift register upon each rising edge of the SRCLK input. The RCLK signal latches the data from the shift register into the output latch, making it available at the parallel output pins (Q0-Q7). The OE pin controls the output enable/disable state, allowing for power-saving when outputs are not required. The SRCLR pin clears the shift register, resetting all outputs to a low state.

Detailed Application Field Plans

SN74HC594DG4 finds extensive application in various fields, including: 1. LED matrix displays 2. Multiplexed seven-segment displays 3. Data storage and retrieval systems 4. Serial-to-parallel data conversion in communication protocols 5. Digital clock circuits 6. Control systems requiring parallel output expansion

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74HC594DG4 include: 1. 74HC595 2. CD4094 3. 74LS164 4. 74HCT595 5. 74AC164

These models can be considered as alternatives based on specific requirements and compatibility with the existing system.

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