74AVCH1T45DW-7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: Bi-directional, Single-bit, Voltage-level translation
• Package: SOT-363
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Continuous Output Current: ±32mA
• Maximum Propagation Delay: 4.5ns

Detailed Pin Configuration

The 74AVCH1T45DW-7 IC has the following pin configuration:

___________ OE | 1 6 | VCC A/B1 | 2 5 | B1/A GND | 3 4 | VREF ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Bi-directional level shifting: Allows bidirectional signal translation between two voltage domains.
• Single-bit translation: Translates a single bit of data at a time.
• Automatic direction control: Determines the direction of translation based on the input signal.

Advantages

• Wide supply voltage range: Can operate with a wide range of input and output voltages.
• Fast propagation delay: Provides quick signal translation with minimal delay.
• Small package size: The SOT-363 package is compact, making it suitable for space-constrained applications.

Disadvantages

• Limited current handling capability: The maximum continuous output current is limited to ±32mA.
• Single-bit translation: Not suitable for applications requiring simultaneous translation of multiple bits.

Working Principles

The 74AVCH1T45DW-7 is a voltage level shifter that enables the translation of signals between different voltage domains. It operates by automatically detecting the input signal and determining the direction of translation. When the OE (Output Enable) pin is high, the IC is in the high-impedance state, allowing bidirectional communication between the two voltage domains. The IC uses a combination of MOSFETs and control logic to achieve efficient and accurate voltage-level translation.

Detailed Application Field Plans

The 74AVCH1T45DW-7 is commonly used in various applications where there is a need to interface between different voltage levels. Some typical application fields include: - Communication systems - Data transmission - Microcontroller interfacing - Battery-powered devices - Sensor networks

Detailed and Complete Alternative Models

• SN74LVC1T45: Similar single-bit bi-directional level shifter with a different package option (SC-70).
• TXB0104: Four-bit bi-directional level shifter with a wider supply voltage range (1.2V to 3.6V).

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