SN74LVC823ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, CMOS technology
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Voltage Levels: 1.8V and 3.3V
• Number of Inputs: 8
• Number of Outputs: 8
• Propagation Delay: 2.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC823ANSR has a total of 20 pins, which are assigned as follows:

• Pin 1: Output 1
• Pin 2: Input 1
• Pin 3: GND (Ground)
• Pin 4: Input 2
• Pin 5: Output 2
• Pin 6: Output 3
• Pin 7: Input 3
• Pin 8: VCC (Supply Voltage)
• Pin 9: Output 4
• Pin 10: Input 4
• Pin 11: Output 5
• Pin 12: Input 5
• Pin 13: Output 6
• Pin 14: Input 6
• Pin 15: Output 7
• Pin 16: Input 7
• Pin 17: Output 8
• Pin 18: Input 8
• Pin 19: GND (Ground)
• Pin 20: VCC (Supply Voltage)

Functional Features

• Logic level shifting between 1.8V and 3.3V voltage domains
• Bidirectional voltage translation
• High-speed operation
• Low power consumption
• ESD (Electrostatic Discharge) protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - Fast propagation delay for quick signal transmission - Low power consumption for energy-efficient applications - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited to logic level shifting between 1.8V and 3.3V voltage domains - Not suitable for applications requiring level shifting beyond the specified voltage range

Working Principles

The SN74LVC823ANSR utilizes CMOS technology to perform logic level shifting. It consists of a combination of MOSFETs that act as switches, allowing signals to be translated between different voltage domains. The input signals are detected and amplified by the internal circuitry, which then drives the corresponding output pins with the appropriate voltage levels.

Detailed Application Field Plans

The SN74LVC823ANSR is commonly used in various applications where logic level shifting is required. Some of the typical application fields include:

1. Microcontroller interfacing: The IC enables communication between microcontrollers operating at different voltage levels, facilitating data exchange and control.
2. Sensor networks: It allows sensors with different voltage requirements to interface with a central processing unit, enabling seamless integration and data acquisition.
3. Communication systems: The IC can be used in communication protocols that involve devices operating at different voltage domains, such as UART, SPI, or I2C interfaces.
4. Battery-powered devices: Its low power consumption makes it suitable for portable electronic devices that rely on battery power, extending battery life.

Detailed and Complete Alternative Models

1. TXS0108EPWR: Similar logic level shifter with 8 inputs and outputs, supporting voltage translation between 1.2V and 3.6V.
2. SN74LVC4245APWR: Octal bus transceiver and level shifter with 8-bit bidirectional voltage translation between 1.2V and 5.5V.
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality to the SN74LVC823ANSR but may have different specifications or package options.

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