MC74LVX259M

Overview

Category: Integrated Circuit (IC)

Use: Data Selector/Multiplexer

Characteristics: - Low-voltage CMOS technology - 8-bit multiplexer with 3-state outputs - Wide operating voltage range: 2.0V to 5.5V - High-speed operation: 20ns propagation delay - Low power consumption: 10µA maximum ICC - Available in SOIC package

Essence: The MC74LVX259M is a versatile integrated circuit that functions as an 8-bit data selector/multiplexer. It is designed using low-voltage CMOS technology, making it suitable for various applications requiring low power consumption and high-speed operation.

Packaging/Quantity: The MC74LVX259M is available in a Small Outline Integrated Circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 20ns (maximum)
• Input Capacitance: 3pF (typical)
• Output Capacitance: 6pF (typical)
• Power Dissipation: 500mW (maximum)

Pin Configuration

The MC74LVX259M has a total of 16 pins, which are assigned specific functions as follows:

1. S0: Select Input 0
2. S1: Select Input 1
3. S2: Select Input 2
4. G: Enable Input
5. D0: Data Input 0
6. D1: Data Input 1
7. D2: Data Input 2
8. D3: Data Input 3
9. D4: Data Input 4
10. D5: Data Input 5
11. D6: Data Input 6
12. D7: Data Input 7
13. Q0: Output 0
14. Q1: Output 1
15. Q2: Output 2
16. Q3: Output 3

Functional Features

The MC74LVX259M is primarily used as a data selector/multiplexer. It allows the selection of one out of eight input lines (D0-D7) to be routed to the outputs (Q0-Q3) based on the select inputs (S0-S2). The enable input (G) controls the output state, enabling or disabling the outputs.

Key functional features include: - High-speed operation with minimal propagation delay - Low power consumption, making it suitable for battery-powered devices - Wide operating voltage range, providing flexibility in various applications - 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - Wide operating voltage range enables compatibility with different systems. - High-speed operation facilitates efficient data processing. - 3-state outputs allow for easy bus sharing among multiple devices.

Disadvantages: - Limited number of input lines (8-bit). - Not suitable for applications requiring higher bit capacity. - May not be compatible with older CMOS technologies.

Working Principles

The MC74LVX259M operates based on the principles of digital multiplexing. The select inputs (S0-S2) determine which of the eight data inputs (D0-D7) will be selected and routed to the corresponding outputs (Q0-Q3). The enable input (G) controls the output state, enabling or disabling the outputs.

When the enable input is high, the selected data input is transferred to the outputs. When the enable input is low, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The MC74LVX259M finds applications in various fields, including:

1. Data communication systems
2. Digital multiplexing/demultiplexing circuits
3. Microcontroller-based systems
4. Address decoding circuits
5. Memory interfacing circuits
6. Industrial control systems
7. Automotive electronics
8. Consumer electronics

Detailed and Complete Alternative Models

1. SN74LVX259: Similar 8-bit data selector/multiplexer IC by Texas Instruments.
2. CD74LVX259: 8-bit data selector/multiplexer IC by Texas Instruments with similar characteristics.
3. 74HC259: 8-bit addressable latch/decoder IC by various manufacturers.

These alternative models offer similar functionality and can be used as substitutes for the MC74LVX259M