Encyclopedia Entry: 74ALVCH16841DGGY

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power consumption
• Package: DGGY (TSSOP-56)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: ALVCH
• Number of Inputs: 20
• Number of Outputs: 20
• Supply Voltage Range: 1.2V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ALVCH16841DGGY IC has a total of 56 pins arranged as follows:

+-------------------+ A1 |1 56| VCCB A2 |2 55| B1 A3 |3 54| B2 A4 |4 53| B3 A5 |5 52| B4 A6 |6 51| B5 A7 |7 50| B6 A8 |8 49| B7 A9 |9 48| B8 A10 |10 47| B9 A11 |11 46| B10 A12 |12 45| B11 A13 |13 44| B12 A14 |14 43| B13 A15 |15 42| B14 A16 |16 41| B15 A17 |17 40| B16 A18 |18 39| B17 A19 |19 38| B18 A20 |20 37| B19 +-------------------+

Functional Features

• Translates signals between different voltage levels, allowing communication between devices operating at different logic levels.
• Supports bidirectional translation, enabling both level shifting and voltage translation.
• High-speed operation with low propagation delay ensures efficient signal transmission.
• Low-power consumption makes it suitable for battery-powered applications.
• Provides robust ESD protection, ensuring reliable operation in harsh environments.

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Bidirectional translation simplifies circuit design and reduces component count.
• High-speed operation enables fast data transfer between devices.
• Low-power consumption extends battery life in portable applications.
• Robust ESD protection enhances reliability and durability.

Disadvantages

• Limited number of inputs and outputs may restrict its use in complex systems.
• Propagation delay may introduce timing issues in certain high-speed applications.
• Requires careful consideration of voltage level compatibility to avoid signal distortion or damage.

Working Principles

The 74ALVCH16841DGGY is a logic level translator IC that operates by utilizing a combination of MOSFETs and CMOS technology. It employs a voltage level shifting technique to convert signals between different logic voltage levels. The IC consists of multiple input and output channels, each capable of bidirectional translation. When a signal is received on one side, the IC translates it to the corresponding voltage level on the other side, allowing seamless communication between devices operating at different logic levels.

Detailed Application Field Plans

The 74ALVCH16841DGGY IC finds applications in various fields, including: 1. Microcontroller interfacing with different voltage peripherals. 2. Communication systems involving devices with different logic levels. 3. Battery-powered portable devices requiring efficient level shifting. 4. Industrial automation and control systems. 5. Automotive electronics for signal translation between different subsystems.

Detailed Alternative Models

1. 74LVC8T245: 8-bit level translator with similar characteristics and package options.
2. SN74LVC1T45: Single-bit level translator with a smaller package size.
3. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements and design constraints.

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