SN74AHCT595N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed, CMOS technology, 8-bit serial-in, parallel-out shift register with output latches
• Package: DIP (Dual In-line Package)
• Essence: Serial to Parallel Data Conversion
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

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

Detailed Pin Configuration

The SN74AHCT595N has a total of 16 pins, each serving a specific function:

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. QH' (Serial Output)

Functional Features

• Serial-to-parallel data conversion
• High-speed operation
• Latched outputs for easy control and stability
• Wide supply voltage range for compatibility with various systems
• CMOS technology for low power consumption

Advantages

• Easy integration into digital systems due to standard logic levels
• Versatile usage in applications requiring serial data expansion
• Compact package size allows for space-efficient designs
• Reliable performance over a wide temperature range

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage
• DIP package may not be suitable for surface mount technology (SMT) applications

Working Principles

The SN74AHCT595N is a shift register IC that converts serial data input into parallel output. It operates by shifting the input data bit-by-bit through the register upon receiving clock pulses. The latched outputs ensure that the parallel data remains stable until the next update. The IC can be cleared using the SRCLR input, and the outputs can be enabled or disabled using the OE input.

Detailed Application Field Plans

The SN74AHCT595N finds application in various fields, including:

1. LED Displays: Controlling multiple LEDs with limited microcontroller pins
2. Serial Data Expansion: Expanding the number of digital inputs/outputs in microcontroller-based systems
3. Data Storage: Temporary storage of serial data before processing or transmission
4. Shift Register Chains: Cascading multiple ICs to increase the number of bits

Detailed and Complete Alternative Models

1. 74HC595: Similar functionality, but operates at a higher voltage range (2V to 6V)
2. CD4094: 8-bit serial-in, parallel-out shift register with tri-state outputs
3. SN74LS164: 8-bit serial-in, parallel-out shift register with asynchronous clear

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