MC74VHCT125AMELG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics:
  • High-speed CMOS technology
  • Low power consumption
  • Wide operating voltage range
  • 3-state outputs
• Package: SOIC-14
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing compatibility between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200 MHz
• Propagation Delay: 4.5 ns (typical)
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The MC74VHCT125AMELG IC has a total of 14 pins arranged as follows:

__ __ A1 | 1 14 | VCC B1 | 2 13 | Y1 A2 | 3 12 | Y2 B2 | 4 11 | Y3 G1 | 5 10 | GND G2 | 6 9 | B2 Y4 | 7 8 | B1 --------

Functional Features

• Logic level shifting: Allows interfacing between devices operating at different voltage levels.
• 3-state outputs: Enables high impedance state when not actively driving the output.
• High-speed operation: Suitable for applications requiring fast signal propagation.
• Low power consumption: Helps conserve energy in battery-powered devices.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various systems. - High-speed CMOS technology ensures fast signal propagation. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited output drive capability may not be suitable for driving heavy loads. - Propagation delay of 4.5 ns may introduce timing issues in certain applications.

Working Principles

The MC74VHCT125AMELG is based on high-speed CMOS technology, which combines the advantages of both CMOS and TTL logic families. It operates by shifting logic levels between different voltage domains. The inputs are compatible with both CMOS and TTL voltage levels, while the outputs can drive CMOS or TTL loads.

Detailed Application Field Plans

The MC74VHCT125AMELG IC finds applications in various fields, including:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor interfaces: Enables connection between sensors and microcontrollers with different voltage requirements.
3. Level translation: Facilitates communication between devices operating at different logic levels.
4. Battery-powered devices: Suitable for low-power applications where energy efficiency is crucial.

Detailed and Complete Alternative Models

1. SN74LVC125A: Similar logic level shifter with 3-state outputs, available in TSSOP-14 package.
2. CD74HC125E: Logic level shifter with 3-state outputs, available in DIP-14 package.
3. NC7SZ125P5X: Tiny logic level shifter with 3-state outputs, available in SC-70 package.

These alternative models offer similar functionality and can be used as substitutes for the MC74VHCT125AMELG in various applications.

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