74AVC4T245D,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Voltage Translator
• Characteristics: Bidirectional, 4-bit, 3-state, voltage level shifting
• Package: TSSOP-14
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.7 x VCC
• Low-Level Output Voltage: 0.3 x VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 4
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The 74AVC4T245D,112 IC has a total of 14 pins. The pin configuration is as follows:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | OE | Output Enable | | 2 | A1 | Channel A Control Input | | 3 | I/O1 | Channel A Bidirectional Data I/O | | 4 | GND | Ground | | 5 | I/O2 | Channel B Bidirectional Data I/O | | 6 | B1 | Channel B Control Input | | 7 | VCC | Supply Voltage | | 8 | B2 | Channel B Control Input | | 9 | I/O3 | Channel C Bidirectional Data I/O | | 10 | A2 | Channel A Control Input | | 11 | I/O4 | Channel D Bidirectional Data I/O | | 12 | VCC | Supply Voltage | | 13 | DIR | Direction Control Input | | 14 | GND | Ground |

Functional Features

• Bidirectional voltage level shifting between two voltage domains
• Supports translation between different logic families (e.g., CMOS to TTL)
• 3-state outputs allow multiple devices to share a common bus
• Low power consumption and high-speed operation
• ESD protection for robustness in harsh environments

Advantages and Disadvantages

Advantages: - Enables seamless communication between circuits operating at different voltage levels - Compact package size allows for space-efficient designs - Wide supply voltage range enhances versatility - High-speed operation supports fast data transfer rates

Disadvantages: - Limited number of channels (4) may not be sufficient for complex systems requiring more connections - Requires careful consideration of input/output voltage compatibility to avoid signal distortion or damage

Working Principles

The 74AVC4T245D,112 is designed to shift the voltage levels of digital signals between different domains. It utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional translation. The direction of translation is controlled by the DIR pin, while the OE pin enables or disables the output drivers.

When the DIR pin is set to a specific logic level, the IC translates the signals from one voltage domain to another. The bidirectional nature of the IC allows for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74AVC4T245D,112 is commonly used in various applications, including but not limited to: - Communication systems - Industrial automation - Automotive electronics - Consumer electronics - IoT (Internet of Things) devices

In communication systems, this IC facilitates voltage level translation between different components, such as microcontrollers, sensors, and display modules. In industrial automation, it enables interfacing between control systems operating at different voltage levels. Automotive electronics benefit from its ability to connect various subsystems with varying voltage requirements. In consumer electronics and IoT devices, the IC ensures compatibility between different logic families and voltage domains.

Detailed and Complete Alternative Models

• SN74AVC4T245D,112
• 74LVC4T245D,112
• NC7WZ245K8X

These alternative models offer similar functionality and characteristics to the 74AVC4T245D,112, providing options for designers based on specific requirements and availability.