MC74VHCT259ADG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer/ Demultiplexer
• Characteristics: High-speed, Low-power, 8-bit, Latchable
• Package: SOIC-16
• Essence: MC74VHCT259ADG is a digital multiplexer/demultiplexer IC that allows multiple data inputs to be selected and routed to a single output line.
• Packaging/Quantity: The MC74VHCT259ADG is typically sold in reels or tubes containing 250 units.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 6ns (typical)
• Output Current: ±8mA
• Latch-Up Performance: 300mA

Detailed Pin Configuration

The MC74VHCT259ADG has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Data Input A0
2. A1: Data Input A1
3. A2: Data Input A2
4. A3: Data Input A3
5. A4: Data Input A4
6. A5: Data Input A5
7. A6: Data Input A6
8. A7: Data Input A7
9. GND: Ground
10. OE: Output Enable
11. S0: Select Input 0
12. S1: Select Input 1
13. S2: Select Input 2
14. S3: Select Input 3
15. Q: Output
16. VCC: Supply Voltage

Functional Features

• The MC74VHCT259ADG is capable of multiplexing or demultiplexing 8-bit data.
• It features a latch enable input (OE) that allows the output to be latched and held in its current state.
• The select inputs (S0-S3) determine which data input is routed to the output.
• It operates at high speed while consuming low power, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Low-power consumption helps conserve energy.
• Latchable output allows for data retention.
• Wide operating voltage range provides flexibility in different applications.
• Compact SOIC-16 package offers space-saving integration.

Disadvantages

• Limited number of select inputs may restrict certain complex applications.
• Propagation delay of 6ns may not be suitable for ultra-high-speed applications.

Working Principles

The MC74VHCT259ADG functions as a digital multiplexer/demultiplexer by using the select inputs (S0-S3) to control the routing of data inputs (A0-A7) to the output (Q). When the output enable (OE) input is low, the selected data input is transferred to the output. The latch enable feature allows the output to be held in its current state until the latch enable input changes.

Detailed Application Field Plans

The MC74VHCT259ADG can be applied in various fields, including:

1. Data communication systems
2. Digital signal processing
3. Multiplexing/demultiplexing applications
4. Address decoding circuits
5. Memory systems
6. Industrial automation
7. Consumer electronics

Detailed and Complete Alternative Models

1. SN74HC259N: Similar 8-bit multiplexer/demultiplexer IC with latch enable.
2. CD74HC259E: High-speed CMOS logic 8-bit addressable latch.
3. 74HCT259D: 8-bit addressable latch with output enable.

These alternative models offer similar functionality and can be considered as substitutes for the MC74VHCT259ADG in various applications.

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