SN74AVC1T45YZPR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Voltage Translator
• Characteristics:
  • Single-bit, dual-supply voltage level translator
  • Supports bidirectional voltage translation between different logic levels
  • Wide operating voltage range
  • Low power consumption
• Package: 8-pin DSBGA (MicroStar Junior™) package
• Essence: The SN74AVC1T45YZPR is a versatile level shifter IC that allows bidirectional voltage translation between different logic levels in electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels:
  • High-Level Input Voltage (VIH): 0.7 × VCC to VCC + 0.3V
  • Low-Level Input Voltage (VIL): -0.3V to 0.3 × VCC
  • High-Level Output Voltage (VOH): 0.9 × VCC to VCC
  • Low-Level Output Voltage (VOL): GND to 0.1 × VCC
• Operating Temperature Range: -40°C to 85°C
• Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

The SN74AVC1T45YZPR has the following pin configuration:

___________ | | 1 | | 8 2 | | 7 3 | | 6 4 | | 5 |___________|

Pin Description: 1. OE (Output Enable): Active-low output enable input 2. A1 (Data Input/Output): Bidirectional data input/output pin 3. VCCA (Supply Voltage): Positive supply voltage for the A-side logic 4. GND (Ground): Ground reference 5. B1 (Data Input/Output): Bidirectional data input/output pin 6. VCCB (Supply Voltage): Positive supply voltage for the B-side logic 7. DIR (Direction Control): Direction control input 8. NC (No Connect): No connection

Functional Features

• Bidirectional Voltage Translation: The SN74AVC1T45YZPR allows bidirectional voltage translation between different logic levels, enabling seamless communication between devices operating at different voltage levels.
• Level Shifting: It provides level shifting capability, allowing signals to be translated from one voltage level to another without the need for additional components or circuitry.
• Automatic Direction Control: The direction of voltage translation is controlled by the DIR pin. When DIR is high, the translation is from A to B, and when DIR is low, the translation is from B to A.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various logic families - Low power consumption makes it suitable for battery-powered applications - Small package size saves board space - Bidirectional translation simplifies circuit design

Disadvantages: - Limited maximum data rate compared to some other level shifter ICs - Only supports translation between two voltage levels

Working Principles

The SN74AVC1T45YZPR utilizes a combination of MOSFET-based level shifting and voltage clamping techniques to achieve bidirectional voltage translation. The internal circuitry ensures that the output voltage levels are compatible with the target logic family, while minimizing power consumption and signal distortion.

Detailed Application Field Plans

The SN74AVC1T45YZPR can be used in various applications where voltage translation between different logic levels is required. Some potential application fields include: - Communication systems - Microcontrollers and microprocessors - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

• SN74AVC1T45DCKR: 6-pin SC70 package, similar functionality
• SN74LVC1T45DBVR: 5-pin SOT23 package, lower voltage range
• SN74HCT245N: 20-pin DIP package, multiple-bit level shifter

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