SN74LVCR2245ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Level Translator
• Characteristics:
  • Bidirectional voltage level translation between different logic levels
  • Supports voltage translation from 1.2V to 5.5V
  • 8-bit wide bus with direction control
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Translates logic 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
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6.4 ns (max) at 3.3V supply
• Output Current: ±12 mA
• ESD Protection: Human Body Model (HBM) > 2000V

Detailed Pin Configuration

The SN74LVCR2245ANSR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. DIR (Direction Control)
10. B3 (Data Input/Output) 3
11. A3 (Data Input/Output) 3
12. B4 (Data Input/Output) 4
13. A4 (Data Input/Output) 4
14. OE (Output Enable) 4
15. VCC (Supply Voltage)
16. B5 (Data Input/Output) 5
17. A5 (Data Input/Output) 5
18. GND (Ground)
19. A6 (Data Input/Output) 6
20. B6 (Data Input/Output) 6

Functional Features

• Bidirectional voltage level translation: Allows translation of logic signals from one voltage level to another in both directions.
• Wide voltage range support: Supports voltage translation between 1.2V and 5.5V, making it compatible with a wide range of devices.
• Direction control: The DIR pin controls the direction of data flow, enabling flexible bidirectional communication.

Advantages and Disadvantages

Advantages

• Wide voltage range support allows compatibility with various logic levels.
• Bidirectional translation simplifies interfacing between different voltage domains.
• Low propagation delay time ensures fast signal transmission.
• ESD protection safeguards against electrostatic discharge.

Disadvantages

• Limited to 8-bit wide bus translation.
• May not be suitable for applications requiring higher current capabilities.

Working Principles

The SN74LVCR2245ANSR operates by utilizing a combination of MOSFETs and CMOS technology. It employs a bidirectional voltage level translation technique to convert logic signals between different voltage domains. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the corresponding data inputs/outputs are connected to the appropriate voltage domain.

Detailed Application Field Plans

The SN74LVCR2245ANSR can be used in various applications that require voltage level translation. Some potential application fields include:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor interfaces: Facilitates connection between sensors and microcontrollers with different logic voltage requirements.
3. Communication systems: Allows for signal translation between different communication protocols or standards.
4. Battery-powered devices: Supports voltage level translation in portable electronic devices with varying power supply voltages.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Similar bidirectional voltage level translator with 8-bit wide bus and direction control.
2. TXB0108: Octal bidirectional voltage-level translator with automatic direction sensing.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with configurable voltage levels.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVCR2245ANSR based on specific application requirements.

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