SN74ALVCH16271DGGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage level shifting
• Package: TSSOP-48
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive Strength: ±24mA

Detailed Pin Configuration

The SN74ALVCH16271DGGR has a total of 48 pins arranged as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input/Output)
• Pin 3: B1 (Input/Output)
• Pin 4: Y1 (Output)
• Pin 5: OE1 (Output Enable)
• Pin 6: VCC (Supply Voltage)
• Pin 7: Y2 (Output)
• Pin 8: B2 (Input/Output)
• Pin 9: A2 (Input/Output)
• Pin 10: GND (Ground)
• ...

Functional Features

• Bidirectional voltage level translation
• Supports signal translation between different voltage domains
• Low power consumption
• High-speed operation
• 3-state outputs for bus-oriented applications
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Fast propagation delay enables high-speed data transmission - Low power consumption helps in reducing overall system power requirements - ESD protection ensures robustness and reliability

Disadvantages: - Limited number of voltage levels supported - Not suitable for applications requiring high drive strength

Working Principles

The SN74ALVCH16271DGGR is a logic level translator that enables communication between devices operating at different voltage levels. It uses a combination of CMOS and BiCMOS technologies to achieve high-speed operation with low power consumption.

The device consists of 16 bidirectional buffers, which can translate signals between two voltage domains. The direction of translation is controlled by the Output Enable (OE) pin. When OE is low, the device is in the active state, allowing bidirectional signal translation. When OE is high, all outputs are in a high-impedance state.

The SN74ALVCH16271DGGR provides ESD protection on all inputs and outputs, ensuring reliable operation in harsh environments.

Detailed Application Field Plans

The SN74ALVCH16271DGGR is commonly used in various applications, including:

1. Microprocessor-based systems: It facilitates communication between microprocessors operating at different voltage levels.
2. Interface circuits: It acts as a bridge between devices with incompatible voltage levels, such as memory modules and peripheral devices.
3. Communication systems: It enables signal translation between different voltage domains in communication protocols like UART, SPI, and I2C.
4. Industrial control systems: It helps in interfacing between different components of industrial control systems, such as sensors, actuators, and controllers.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver
2. SN74AVC4T245RGYR: Quad-bit dual-supply bus transceiver
3. SN74LVCH8T245PW: Octal-bit dual-supply bus transceiver
4. SN74LVC8T245PWR: Octal-bit dual-supply bus transceiver with 3-state outputs

These alternative models offer similar functionality and can be used as replacements for the SN74ALVCH16271DGGR in various applications.

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