SN74AHC595DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed, low-power consumption
• Package: SSOP-16
• Essence: Serial-in, parallel-out shift register with output latches
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Stages: 8
• Output Current: ±6 mA

Detailed Pin Configuration

The SN74AHC595DBR has a total of 16 pins:

1. SER (Serial Data Input)
2. RCLK (Register Clock Input)
3. SRCLK (Shift Register Clock Input)
4. OE (Output Enable Input)
5. GND (Ground)
6. QH' (Serial Output)
7. QA (Parallel Output A)
8. QB (Parallel Output B)
9. QC (Parallel Output C)
10. QD (Parallel Output D)
11. QE (Parallel Output E)
12. QF (Parallel Output F)
13. QG (Parallel Output G)
14. QH (Parallel Output H)
15. VCC (Supply Voltage)
16. SRCLR (Shift Register Clear Input)

Functional Features

• Serial-in, parallel-out shifting of data
• Latched outputs for easy control and synchronization
• High-speed operation with minimal power consumption
• Wide supply voltage range for flexibility in different applications
• Output enable input for disabling the outputs when needed

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption helps in reducing energy usage - Latched outputs provide easy control and synchronization

Disadvantages: - Limited number of stages (8) may not be sufficient for complex applications requiring more parallel outputs - SSOP package may require careful handling during assembly and soldering processes

Working Principles

The SN74AHC595DBR is a shift register IC that allows serial-in, parallel-out shifting of data. It consists of an 8-stage shift register with output latches. The serial data input (SER) is shifted into the shift register on each rising edge of the shift register clock (SRCLK). The data is then transferred to the output latches on each rising edge of the register clock (RCLK). The parallel outputs (QA to QH) reflect the state of the shift register after the data has been latched.

Detailed Application Field Plans

The SN74AHC595DBR can be used in various applications, including:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix display, allowing for efficient control and reduced pin count.
2. Serial-to-Parallel Conversion: It can be used to convert serial data into parallel data, enabling easy interfacing with other devices.
3. Data Storage and Transfer: The latched outputs make it suitable for storing and transferring data in applications such as data loggers or communication systems.
4. Multiplexing: The shift register can be used for multiplexing purposes, where multiple inputs are sequentially selected using the parallel outputs.

Detailed and Complete Alternative Models

Some alternative models to the SN74AHC595DBR include:

1. 74HC595: Similar shift register IC with slightly different specifications and package options.
2. CD4094: Another shift register IC with similar functionality but different pin configuration and characteristics.
3. TPIC6B595: Shift register IC specifically designed for driving high-current loads such as LEDs or relays.

These alternative models can be considered based on specific application requirements and availability.

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