SN74ALVCH162344GR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage level shifting
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Bi-directional voltage level translator with 16-bit wide input/output bus
• 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
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74ALVCH162344GR has a total of 56 pins, which are divided into various groups:

• VCC: Power supply pin (+3.3V)
• GND: Ground pin (0V reference)
• OE: Output Enable pin (active low)
• A1-A16: Input pins for Port A
• B1-B16: Input pins for Port B
• Y1-Y16: Output pins for Port A
• Z1-Z16: Output pins for Port B

Functional Features

• Bi-directional voltage level translation between two independent buses
• Supports bidirectional data flow with automatic direction sensing
• Provides non-inverting level shifting for both push-pull and open-drain applications
• Allows mixed-voltage systems to communicate seamlessly

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption helps in reducing overall system energy usage - Wide supply voltage range allows compatibility with various systems - ESD protection ensures robustness against electrostatic discharges

Disadvantages: - Limited number of input/output pins (16-bit wide bus) - Requires careful consideration of voltage levels to prevent signal distortion

Working Principles

The SN74ALVCH162344GR utilizes a combination of CMOS and BiCMOS technologies to achieve efficient voltage level translation. It employs a direction control circuitry that automatically senses the data flow and adjusts the output accordingly. The device operates by monitoring the voltage levels on the input pins and translating them to the corresponding voltage levels on the output pins.

Detailed Application Field Plans

The SN74ALVCH162344GR is commonly used in various applications, including:

1. Microprocessor interfacing: Facilitates communication between microcontrollers operating at different voltage levels.
2. Memory modules: Enables data transfer between memory chips with varying voltage requirements.
3. Communication systems: Allows seamless integration of devices operating at different voltage levels, such as UART, SPI, or I2C interfaces.
4. Industrial automation: Assists in connecting sensors, actuators, and control units with different voltage specifications.
5. Automotive electronics: Supports voltage level translation in automotive systems, such as infotainment, body control modules, and engine management.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit bidirectional voltage level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage level translator.
3. SN74LVC4245A: Octal dual-supply translating transceiver with configurable voltage-level shifting.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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