Encyclopedia Entry: 74LVT244BPW/AUJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, non-inverting buffer/line driver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.2V to 3.6V
• Logic Family: LVT (Low Voltage TTL)
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS
• Propagation Delay: 4.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVT244BPW/AUJ IC has a total of 20 pins arranged as follows:

__ __ A1 |1 \__/ 20| VCC B1 |2 19| B2 A2 |3 18| A3 B3 |4 17| B4 A4 |5 16| A5 B5 |6 15| B6 GND|7 14| A6 OE |8 13| B7 Y1 |9 12| A7 Y2 |10 11| B8 ‾‾ ‾‾

Functional Features

• Non-inverting buffer/line driver with 3-state outputs
• Translates logic levels between different voltage domains
• Supports bidirectional data flow
• High-speed operation with low power consumption
• Provides output current capability for driving high capacitive loads

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transmission - Low power consumption helps conserve energy - 3-state outputs enable bus sharing and reduce contention issues - Wide operating voltage range enhances compatibility with various systems

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications - Propagation delay of 4.5ns may introduce timing constraints in certain scenarios

Working Principles

The 74LVT244BPW/AUJ is a logic level translator IC that facilitates communication between different voltage domains. It operates by receiving input signals from one voltage domain and translating them to the corresponding logic levels compatible with another voltage domain. The non-inverting buffer/line driver ensures signal integrity during translation, while the 3-state outputs allow multiple devices to share a common bus without causing conflicts.

Detailed Application Field Plans

The 74LVT244BPW/AUJ finds applications in various fields where logic level translation is required. Some potential application areas include: 1. Microcontroller interfacing with different voltage peripherals 2. Communication interfaces between mixed-voltage systems 3. Level shifting in battery-powered devices 4. Signal conditioning in industrial automation systems 5. Data transmission between FPGA and external devices

Detailed and Complete Alternative Models

• 74LVX244: Similar functionality but operates at higher voltage levels (2V to 5.5V)
• 74HCT244: Compatible with CMOS and TTL logic families, but has higher power consumption
• SN74LVC244A: Offers lower propagation delay and wider operating temperature range

Note: This list is not exhaustive, and there are several other alternative models available in the market.

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