PI74ALVCH16721A

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • Low voltage operation
  • High-speed performance
  • Wide voltage translation range
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (Vref): 0V to VCC
• Output Voltage Range (Vref): 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Inputs/Outputs: 20

Detailed Pin Configuration

The PI74ALVCH16721A has a total of 56 pins, which are distributed as follows:

• Pin 1: OE (Output Enable) 1
• Pin 2: A1 (Input) 1
• Pin 3: B1 (Input) 1
• Pin 4: Y1 (Output) 1
• Pin 5: GND (Ground)
• Pin 6: Y2 (Output) 2
• Pin 7: B2 (Input) 2
• Pin 8: A2 (Input) 2
• Pin 9: OE (Output Enable) 2
• Pin 10: VCC (Supply Voltage)

...

Functional Features

• Bidirectional voltage translation between two voltage domains
• Automatic direction sensing and control
• Non-inverting outputs
• Supports both push-pull and open-drain output configurations
• Low power consumption
• ESD protection on all inputs and outputs

Advantages

• Wide operating voltage range allows compatibility with various systems
• High-speed performance enables fast data transmission
• Automatic direction sensing simplifies system design
• ESD protection ensures reliability in harsh environments
• Low power consumption helps prolong battery life in portable devices

Disadvantages

• Limited number of inputs/outputs (20 in total)
• TSSOP package may require careful handling during assembly

Working Principles

The PI74ALVCH16721A is designed to translate logic levels between two different voltage domains. It utilizes a combination of level shifters and control circuitry to automatically detect the direction of data flow and adjust the voltage levels accordingly. The bidirectional nature of the IC allows for seamless communication between systems operating at different voltages.

Detailed Application Field Plans

The PI74ALVCH16721A can be used in various applications where logic level translation is required, such as:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between systems with different voltage requirements
3. Battery-powered devices with multiple voltage domains
4. Industrial automation systems with mixed voltage components

Detailed and Complete Alternative Models

1. SN74LVC1T45: Single-bit dual-supply bus transceiver
2. TXB0108: 8-bit bidirectional voltage-level translator
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator
4. CD40109B: Quad bilateral switch

These alternative models offer similar functionality and can be considered as alternatives to the PI74ALVCH16721A based on specific application requirements.

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