MM74HC259MTCX

Product Overview

• Category: Integrated Circuit
• Use: Data Selector/Multiplexer
• Characteristics: High-Speed, CMOS Logic, 8-Bit, Addressable Latch/Buffer
• Package: TSSOP-16
• Essence: The MM74HC259MTCX is a versatile integrated circuit that can be used as a data selector or multiplexer. It features high-speed operation and is based on CMOS logic technology. The device has 8-bit addressable latch/buffer functionality.
• Packaging/Quantity: The MM74HC259MTCX is available in a TSSOP-16 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Levels: High: 2V to Vcc, Low: GND to 0.8Vcc
• Output Voltage Levels: High: Vcc - 0.5V, Low: 0.5V
• Propagation Delay: 14ns (typical)
• Quiescent Current: 4μA (maximum)

Pin Configuration

The MM74HC259MTCX has a total of 16 pins arranged as follows:

__ __ A7 |1 \__/ 16| Vcc A6 |2 15| Q0 A5 |3 14| Q1 A4 |4 13| Q2 A3 |5 12| Q3 A2 |6 11| Q4 A1 |7 10| Q5 A0 |8 9| Q6 GND |__________|

Functional Features

• Addressable latch/buffer functionality allows individual control of each output pin.
• High-speed operation enables efficient data selection and multiplexing.
• CMOS logic technology ensures low power consumption and compatibility with a wide range of digital systems.
• Wide supply voltage range (2V to 6V) provides flexibility in various applications.

Advantages and Disadvantages

Advantages: - Versatile functionality as a data selector or multiplexer. - High-speed operation for efficient data handling. - Low power consumption due to CMOS technology. - Wide supply voltage range allows compatibility with different systems.

Disadvantages: - Limited number of addressable outputs (8 bits). - May require additional external components for certain applications.

Working Principles

The MM74HC259MTCX is designed to select and multiplex data based on the input address. The device has eight address inputs (A0-A7) that determine which output pin (Q0-Q6) is active. The latch/buffer functionality allows individual control of each output pin, providing flexibility in data routing.

When an address is applied to the address inputs, the corresponding output pin becomes active, reflecting the data present at the input. The selected output remains latched until a new address is applied. This latch/buffer behavior enables the MM74HC259MTCX to store and route data efficiently.

Detailed Application Field Plans

The MM74HC259MTCX can be used in various applications, including:

1. Data Multiplexing: The device can be employed to select and route multiple data sources to a single destination, such as in communication systems or audio/video equipment.
2. Address Decoding: It can be utilized to decode specific addresses and enable corresponding functions or devices in microcontroller-based systems.
3. Memory Expansion: The MM74HC259MTCX can be used to expand the addressable memory space in systems with limited address lines.
4. Control Signal Routing: It can be employed to route control signals based on specific conditions or events, enabling flexible system control.

Detailed and Complete Alternative Models

1. CD74HC259E: Similar functionality and characteristics, available in a DIP-16 package.
2. SN74HC259N: Equivalent device from a different manufacturer, available in a DIP-16 package.
3. 74HCT259: Compatible device with TTL logic levels, available in various packages.

These alternative models provide similar functionality to the MM74HC259MTCX and can be considered as replacements depending on specific requirements and availability.

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