PI74ALVCH16652A

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Number of Bits: 16
• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Maximum Propagation Delay: 4.5ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI74ALVCH16652A has a total of 56 pins, which are distributed as follows:

• Pins 1 to 8: A1 to A8 (Input/Output)
• Pins 9 to 16: B1 to B8 (Input/Output)
• Pins 17 to 24: C1 to C8 (Input/Output)
• Pins 25 to 32: D1 to D8 (Input/Output)
• Pins 33 to 40: G1 to G8 (Output Enable)
• Pins 41 to 48: OEAB, OEBA (Output Enable)
• Pins 49 to 56: VCC, GND (Power Supply)

Functional Features

• Bidirectional Translation: Allows data transmission in both directions
• 3-State Outputs: Enables multiple devices to share a common bus without interference
• Low Voltage Operation: Suitable for battery-powered applications
• High-Speed Operation: Supports fast data transfer rates
• ESD Protection: Guards against electrostatic discharge

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Supports high-speed data transmission - Provides ESD protection for enhanced reliability - Low power consumption - Compact package size

Disadvantages: - Limited to 16-bit bus translation - Requires careful consideration of voltage level compatibility

Working Principles

The PI74ALVCH16652A is designed to translate digital signals between two different voltage domains. It utilizes a combination of MOSFETs and control logic to achieve bidirectional signal conversion. The device operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels, ensuring compatibility between different parts of a digital system.

Detailed Application Field Plans

The PI74ALVCH16652A finds applications in various fields, including:

1. Microcontrollers: Facilitates communication between microcontrollers operating at different voltage levels.
2. Communication Systems: Enables signal translation between different components in communication systems.
3. Industrial Automation: Allows interfacing between devices with varying voltage requirements in industrial automation setups.
4. Consumer Electronics: Supports voltage level translation in consumer electronic devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC8T245: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. TXB0108: 8-bit bidirectional voltage-level translator with integrated voltage-level shifting.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer similar functionality and can be considered as alternatives to the PI74ALVCH16652A based on specific application requirements.

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