SN74LVC2952ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • Low-voltage CMOS technology
  • Bidirectional voltage translation
  • Wide operating voltage range
  • High-speed operation
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A Port): 0V to VCCA + 0.5V
• Output Voltage Range (B Port): 0V to VCCB + 0.5V
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay: 4.3ns (typical)

Detailed Pin Configuration

The SN74LVC2952ANSR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O0 A
3. I/O1 A
4. GND (Ground)
5. I/O2 A
6. I/O3 A
7. VCCA (Voltage Supply for A Ports)
8. VCCB (Voltage Supply for B Ports)
9. I/O4 A
10. I/O5 A
11. I/O6 A
12. I/O7 A
13. I/O7 B
14. I/O6 B
15. I/O5 B
16. I/O4 B
17. VCCB (Voltage Supply for B Ports)
18. VCCA (Voltage Supply for A Ports)
19. GND (Ground)
20. OE (Output Enable) B

Functional Features

• Bidirectional voltage translation between two voltage domains
• Allows communication between devices operating at different voltage levels
• Supports level shifting between 1.8V, 2.5V, 3.3V, and 5V systems
• Enables seamless integration of components with different voltage requirements

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various systems - High-speed operation ensures efficient data transfer - Low-voltage CMOS technology reduces power consumption - Bidirectional functionality simplifies system design

Disadvantages: - Limited to voltage translation between specific voltage levels - May not be suitable for applications requiring higher voltage translations

Working Principles

The SN74LVC2952ANSR utilizes a combination of MOSFETs and control logic to achieve bidirectional voltage translation. The input signals are level-shifted to the desired output voltage domain based on the voltage supply provided to the respective ports. The output enable pins control the direction of data flow, enabling bidirectional communication.

Detailed Application Field Plans

The SN74LVC2952ANSR is commonly used in various applications that require voltage translation between different logic levels. Some of the typical application fields include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors and microcontrollers with varying voltage requirements.
3. Communication systems: Enables compatibility between devices operating at different logic levels, such as UART, I2C, or SPI interfaces.
4. Battery-powered devices: Provides level shifting capabilities for low-power devices with different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with voltage level translation.
2. SN74LVC2T45DCTRG4: Dual-bit dual-supply bus transceiver with voltage level translation.
3. SN74LVC8T245PW: Eight-bit dual-supply bus transceiver with voltage level translation.

These alternative models offer similar functionality and are suitable replacements for the SN74LVC2952ANSR in various applications.

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