SN74LVCC4245ANSRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Voltage Translator
• Characteristics: Bidirectional, 8-bit, non-inverting, voltage-level translator
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 5.5V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 6.7ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74LVCC4245ANSRG4 has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O A1
3. I/O A2
4. GND (Ground)
5. I/O A3
6. I/O A4
7. VCC (Supply Voltage)
8. I/O A5
9. I/O A6
10. I/O A7
11. I/O A8
12. DIR (Direction Control)
13. I/O B1
14. I/O B2
15. GND (Ground)
16. I/O B3
17. I/O B4
18. VCC (Supply Voltage)
19. I/O B5
20. I/O B6
21. I/O B7
22. I/O B8
23. OE (Output Enable) B
24. GND (Ground)

Functional Features

• Bidirectional voltage-level translation between two independent buses
• Non-inverting translation, maintaining signal integrity
• Automatic direction control based on DIR pin
• Low power consumption
• High-speed operation
• ESD protection for robustness

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Supports a wide range of supply voltages
• Provides bidirectional translation, reducing the need for multiple level shifters
• Compact SOIC package allows for space-efficient designs
• Fast propagation delay ensures minimal signal distortion

Disadvantages

• Limited to 8-bit translation, may not be suitable for applications requiring larger data buses
• Requires careful consideration of voltage compatibility to avoid damage to connected devices

Working Principles

The SN74LVCC4245ANSRG4 is designed to translate digital signals between two buses operating at different voltage levels. It utilizes a bidirectional voltage-level translation technique, allowing seamless communication between devices with incompatible voltage requirements.

The direction of translation is controlled by the DIR pin. When DIR is set to logic high, the translation occurs from Bus A to Bus B. Conversely, when DIR is set to logic low, the translation occurs from Bus B to Bus A.

The device features non-inverting translation, ensuring that the logic state of the input signal is preserved in the output signal. This characteristic helps maintain signal integrity and reduces the risk of errors during voltage translation.

Detailed Application Field Plans

The SN74LVCC4245ANSRG4 finds applications in various digital systems where voltage-level translation is required. Some potential application fields include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Memory modules: Facilitates data transfer between memory chips with varying voltage requirements.
3. Communication interfaces: Enables compatibility between devices using different voltage standards, such as UART, SPI, or I2C.
4. Mixed-voltage systems: Integrates components with different voltage levels in a single system, ensuring seamless operation.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction control.
2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC4245APW: Octal bus transceiver and voltage-level shifter.

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

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