MC74LVX257DTG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power consumption
• Package: TSSOP-16
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• High-Level Input Voltage: 2.0V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz
• Propagation Delay: 3.5ns (typical)

Detailed Pin Configuration

The MC74LVX257DTG has a total of 16 pins, which are assigned as follows:

1. A0: Data Input A
2. A1: Data Input B
3. A2: Data Input C
4. A3: Data Input D
5. GND: Ground
6. Y0: Output Y0
7. Y1: Output Y1
8. Y2: Output Y2
9. Y3: Output Y3
10. OE: Output Enable
11. GND: Ground
12. B3: Data Input D
13. B2: Data Input C
14. B1: Data Input B
15. B0: Data Input A
16. VCC: Power Supply

Functional Features

• Logic level translation between two voltage domains
• Four independent bidirectional data paths
• Output enable control for each data path
• High-speed operation with low power consumption
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption extends battery life in portable devices - Schmitt-trigger inputs provide noise immunity, ensuring reliable operation - Four independent data paths offer flexibility in system design

Disadvantages: - Limited voltage range (2.0V to 5.5V) may not be suitable for all applications - Propagation delay of 3.5ns may introduce timing issues in certain high-speed systems

Working Principles

The MC74LVX257DTG is a logic level translator that enables communication between different voltage domains. It operates by receiving data inputs from one voltage domain (A) and translating them to the corresponding levels in another voltage domain (B). The output enable control allows for selective activation of each data path, providing flexibility in data transmission.

The IC utilizes Schmitt-trigger inputs, which ensure reliable operation by providing noise immunity. This feature allows the MC74LVX257DTG to function effectively even in noisy environments.

Detailed Application Field Plans

The MC74LVX257DTG finds application in various fields, including:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors with varying voltage requirements.
3. Industrial automation: Allows for seamless integration of different control systems operating at different voltage domains.
4. Consumer electronics: Supports voltage translation in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-Bit Dual-Supply Bus Transceiver
2. CD40109BE: Quad Level-Shifter/Line Receiver
3. TXS0108EPWR: 8-Bit Bidirectional Voltage-Level Translator

These alternative models offer similar functionality to the MC74LVX257DTG and can be considered as alternatives based on specific application requirements.

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