SN74LVCR2245APWR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Level Translator
• Characteristics: Bidirectional, 8-bit, non-inverting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Input/Output Capacitance: 4pF
• Propagation Delay: 3.7ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCR2245APWR has a total of 20 pins, which are assigned as follows:

• Pin 1: OE (Output Enable) for Channel 1
• Pin 2: A1 (Input/Output) for Channel 1
• Pin 3: B1 (Input/Output) for Channel 1
• Pin 4: GND (Ground)
• Pin 5: B2 (Input/Output) for Channel 2
• Pin 6: A2 (Input/Output) for Channel 2
• Pin 7: OE (Output Enable) for Channel 2
• Pin 8: VCC (Supply Voltage)
• Pin 9: A3 (Input/Output) for Channel 3
• Pin 10: B3 (Input/Output) for Channel 3
• Pin 11: OE (Output Enable) for Channel 3
• Pin 12: GND (Ground)
• Pin 13: B4 (Input/Output) for Channel 4
• Pin 14: A4 (Input/Output) for Channel 4
• Pin 15: OE (Output Enable) for Channel 4
• Pin 16: VCC (Supply Voltage)
• Pin 17: A5 (Input/Output) for Channel 5
• Pin 18: B5 (Input/Output) for Channel 5
• Pin 19: OE (Output Enable) for Channel 5
• Pin 20: GND (Ground)

Functional Features

The SN74LVCR2245APWR is a bidirectional voltage level translator with 8 channels. It allows for the translation of signals between different voltage levels, making it suitable for interfacing between devices operating at different logic levels. The device features non-inverting buffers that ensure signal integrity during translation.

Advantages and Disadvantages

Advantages: - Bidirectional translation capability - Non-inverting buffers preserve signal integrity - Wide supply voltage range allows compatibility with various systems - High-speed operation with a maximum frequency of 100MHz - Compact TSSOP package for space-constrained applications

Disadvantages: - Limited number of channels (8) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVCR2245APWR operates by using a combination of voltage level shifting and buffering techniques. When an input signal is received on one side of the device, it is translated to the corresponding voltage level on the other side. The non-inverting buffers ensure that the translated signal maintains its integrity and does not experience any distortion.

Detailed Application Field Plans

The SN74LVCR2245APWR finds applications in various fields where voltage level translation is required. Some of the common application areas include:

1. Microcontroller Interfacing: The device can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.

2. Communication Systems: It is suitable for level translation in communication systems where different components operate at different logic levels, such as UART, SPI, or I2C interfaces.

3. Industrial Automation: The SN74LVCR2245APWR can be utilized in industrial automation systems to translate signals between sensors, actuators, and control units that operate at different voltage levels.

4. Consumer Electronics: It finds use in consumer electronic devices where multiple subsystems with different voltage requirements need to communicate with each other.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with configurable voltage translation and integrated pull-up resistors.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVCR2245APWR based