MC74AC259DR2G

Overview

Category: Integrated Circuit (IC)

Use: Digital Multiplexer/ Demultiplexer

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt trigger inputs for noise immunity - Compatible with TTL and CMOS logic levels

Package: SOIC-16

Essence: The MC74AC259DR2G is a 8-bit addressable latch with three-state outputs. It can be used as a multiplexer or demultiplexer, allowing data to be routed between multiple sources or destinations.

Packaging/Quantity: The MC74AC259DR2G is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 9 ns
• Maximum Quiescent Current: 4 μA

Pin Configuration

The MC74AC259DR2G has a total of 16 pins. The pin configuration is as follows:

__ __ A7 |1 `--' 16| VCC A6 |2 15| Q0 A5 |3 14| Q1 A4 |4 13| Q2 A3 |5 MC 12| Q3 A2 |6 74 11| Q4 A1 |7 AC 10| Q5 A0 |8 259 9| Q6 |__ __| GND Q7'

Functional Features

• Addressable latch with three-state outputs
• Can be used as a multiplexer or demultiplexer
• Allows data routing between multiple sources or destinations
• High-speed operation enables efficient data transfer
• Low power consumption for energy efficiency
• Schmitt trigger inputs provide noise immunity
• Compatible with both TTL and CMOS logic levels

Advantages

• Versatile functionality as a multiplexer or demultiplexer
• Wide operating voltage range allows compatibility with various systems
• High-speed operation facilitates efficient data transfer
• Low power consumption for energy-efficient applications
• Schmitt trigger inputs enhance noise immunity, ensuring reliable performance
• Compatibility with TTL and CMOS logic levels simplifies integration into existing systems

Disadvantages

• Limited to 8-bit addressable latch functionality
• May require additional components for complex routing scenarios
• Propagation delay of 9 ns may impact real-time applications with strict timing requirements

Working Principles

The MC74AC259DR2G operates by latching the input data based on the address provided. The latch can be enabled or disabled using control signals. When enabled, the latch stores the input data and presents it at the corresponding output pins. The three-state outputs allow multiple devices to share the same bus without interference.

Detailed Application Field Plans

The MC74AC259DR2G finds applications in various fields, including:

1. Data communication systems: Used for data routing and selection in multiplexing/demultiplexing applications.
2. Digital signal processing: Enables efficient data transfer and routing in DSP systems.
3. Industrial automation: Facilitates control signal routing in automated systems.
4. Telecommunications: Used for data routing and switching in telecommunication networks.
5. Consumer electronics: Enables data selection and routing in audio/video systems.

Detailed and Complete Alternative Models

1. SN74AC259: Similar functionality with a different package (DIP-16).
2. CD74AC259: Comparable features and performance in a different package (PDIP-16).
3. 74HC259: CMOS logic level compatible alternative with similar functionality.

These alternative models provide similar functionality to the MC74AC259DR2G and can be considered as replacements based on specific requirements.

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