SN74LV595ADR

Product Overview

Category

SN74LV595ADR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a shift register and storage device in various electronic applications.

Characteristics

• Low-voltage operation
• High-speed data transfer
• Serial-to-parallel conversion
• Parallel-to-serial conversion
• Cascadable feature for expanding outputs

Package

SN74LV595ADR is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of SN74LV595ADR lies in its ability to efficiently control multiple outputs using minimal pins on a microcontroller or other digital devices.

Packaging/Quantity

SN74LV595ADR is typically packaged in reels, with each reel containing a quantity of 2500 units.

Specifications

• Supply Voltage: 2V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Outputs: 8

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

Shift Register Operation

SN74LV595ADR performs serial-to-parallel conversion by shifting data into its internal shift register on each rising edge of the shift register clock (SRCLK) input. The data is then latched into the parallel output registers on the rising edge of the register clock (RCLK) input.

Output Control

The output enable (OE) input allows the user to enable or disable the outputs. When OE is high, the outputs are disabled, and when OE is low, the outputs are enabled.

Cascading

Multiple SN74LV595ADR devices can be cascaded together to expand the number of outputs. The serial output (QH) of one device can be connected to the serial data input (SER) of the next device, allowing for easy expansion.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it compatible with a wide range of digital systems.
• High-speed data transfer enables efficient communication between devices.
• Cascadable feature allows for easy expansion of outputs.
• Small package size saves board space.

Disadvantages

• Limited number of outputs (8 in this case).
• Requires external clock signals for proper operation.

Working Principles

SN74LV595ADR operates based on the principles of shift registers and latches. It uses sequential shifting of data bits to convert serial input into parallel output. The internal shift register stores the incoming data, which is then transferred to the parallel output registers upon latching.

Detailed Application Field Plans

SN74LV595ADR finds applications in various fields, including: 1. LED Matrix Displays: Controlling multiple LEDs using limited microcontroller pins. 2. Seven-Segment Displays: Driving multiple seven-segment displays with minimal pin usage. 3. Motor Control: Sequentially controlling multiple motors in robotics and automation systems. 4. Data Storage: Storing and retrieving data in memory modules. 5. Communication Systems: Serial-to-parallel conversion in data transmission.

Detailed and Complete Alternative Models

1. 74HC595: Similar shift register IC with higher voltage tolerance.
2. CD4094: 8-stage shift-and-store bus register with tri-state outputs.
3. TPIC6B595: Power logic 8-bit shift register with output latches and serial input/output.

These alternative models offer similar functionality to SN74LV595ADR and can be used as substitutes in various applications.

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