74HC259 (8-bit Addressable Latch)

Overview

The 74HC259 is a high-speed CMOS 8-bit addressable latch, a versatile and essential component in digital logic systems. It features a single data input and eight individually addressable latched outputs, allowing you to store and route data to specific output lines based on a 3-bit address. This makes it ideal for implementing demultiplexers, memory address decoding, and control signal routing in embedded systems and digital electronics projects.

Key Features

• 8-bit addressable latch: Store 8 bits of data with individual addressing for each output.
• High-speed CMOS technology: Combines the low power consumption of CMOS with the speed of LSTTL.
• Wide operating voltage range: 2V to 6V, compatible with 3.3V and 5V logic systems.
• Standard 74HC series logic: Pin-compatible with other 74HC devices for easy integration.
• Typical propagation delay: Fast operation suitable for real-time applications.
• Low power consumption: Ideal for battery-powered and power-sensitive projects.

Technical Specifications

• Supply Voltage (Vcc): 2V to 6V
• Input Current: 5.2mA (max) per input
• Output Type: Standard (push-pull) outputs
• Latch Configuration: 1:8 (single data input to 8 latched outputs)
• Number of Circuits: 1
• Propagation Delay Time: Typically 13ns at 5V
• Package / Case: 16-DIP (0.300", 7.62mm)
• Operating Temperature Range: -40°C to +85°C (industrial grade)

Applications & Use Cases

• Address Decoding: Use as a demultiplexer to select one of eight output lines based on a 3-bit address.
• Memory Expansion: Implement addressable registers for microcontroller memory mapping.
• Control Signal Routing: Manage multiple I/O lines with minimal microcontroller pins.
• LED and Relay Control: Drive up to eight outputs individually for lighting or actuator control.
• Digital Logic Education: Perfect for learning about latches, demultiplexers, and sequential logic.

What's Included

• 1x 74HC259 8-bit Addressable Latch (16-DIP package)

Compatibility

• Logic Levels: Fully compatible with 74HC, 74HCT, and 74LS series logic families.
• Microcontrollers: Works with Arduino, Raspberry Pi, ESP32, STM32, and other 3.3V/5V logic platforms.
• Breadboarding: Standard DIP package fits directly on breadboards and prototyping boards.

MOKWN Recommendation

Whether you're a student exploring digital logic, a hobbyist building a control system, or an engineer prototyping, the 74HC259 is a must-have IC. Its ability to expand outputs with minimal wiring makes it a smart addition to any electronics toolkit. Order now from MOKWN and take advantage of fast delivery across Egypt!