PI74SSTVF16857AEX

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Level Translator
• Characteristics:
  • High-speed operation
  • Wide voltage translation range
  • Low power consumption
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to translate voltage levels between different logic families, allowing seamless communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A Port): 0V to VCCA + 0.5V
• Output Voltage Range (B Port): 0V to VCCB + 0.5V
• Maximum Operating Frequency: 200MHz
• Propagation Delay: 1.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI74SSTVF16857AEX has a total of 56 pins. The pin configuration is as follows:

```

Pin Name Description

1 GND Ground 2 A1 A Port Input 1 3 A2 A Port Input 2 4 A3 A Port Input 3 ... ... ... 55 B54 B Port Input 54 56 VCCB B Port Power Supply ```

Functional Features

• Bidirectional voltage level translation between two logic families
• Automatic direction control based on the voltage levels of the A and B ports
• Non-inverting translation with minimal propagation delay
• High-speed operation suitable for applications requiring fast data transfer

Advantages and Disadvantages

Advantages: - Wide voltage translation range allows compatibility between various logic families - Low power consumption helps in reducing overall system power requirements - High-speed operation enables efficient data transfer in time-critical applications

Disadvantages: - Limited to bidirectional voltage level translation, not suitable for unidirectional applications - Requires careful consideration of input and output voltage ranges to prevent signal distortion or damage

Working Principles

The PI74SSTVF16857AEX utilizes a combination of level-shifting circuitry and automatic direction control to achieve bidirectional voltage level translation. The device monitors the voltage levels of the A and B ports and automatically determines the direction of translation. When the A port voltage is higher than the B port voltage, the device translates signals from A to B, and vice versa.

Detailed Application Field Plans

The PI74SSTVF16857AEX finds applications in various fields where voltage level translation is required. Some of the common application areas include: - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

• SN74LVC1T45: Unidirectional voltage level translator
• TXB0108: Bidirectional voltage level translator with higher channel count
• PCA9306: Bidirectional I2C voltage level translator with integrated level shifting

These alternative models offer similar functionality but may have different specifications and pin configurations. It is important to select the appropriate model based on specific application requirements.

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