SN74LVC861ADW

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): 1.2V to VCC + 0.5V
• Input Voltage Range (B Port): 1.2V to VCC + 0.5V
• Output Voltage Range (A Port): 1.2V to VCC + 0.5V
• Output Voltage Range (B Port): 1.2V to VCC + 0.5V
• Maximum Operating Frequency: 100MHz
• Number of Pins: 20
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC861ADW has a total of 20 pins, which are assigned specific functions as follows:

1. A1: A Port Input/Output
2. A2: A Port Input/Output
3. A3: A Port Input/Output
4. A4: A Port Input/Output
5. A5: A Port Input/Output
6. GND: Ground
7. B5: B Port Input/Output
8. B4: B Port Input/Output
9. B3: B Port Input/Output
10. B2: B Port Input/Output
11. B1: B Port Input/Output
12. OE: Output Enable
13. VCC: Power Supply
14. B6: B Port Input/Output
15. B7: B Port Input/Output
16. B8: B Port Input/Output
17. B9: B Port Input/Output
18. B10: B Port Input/Output
19. GND: Ground
20. A10: A Port Input/Output

Functional Features

• Bidirectional voltage translation between two different voltage domains (A and B ports)
• Allows seamless communication between devices operating at different voltage levels
• Supports high-speed operation up to 100MHz
• Wide operating voltage range enables compatibility with various systems
• Low-voltage CMOS technology ensures low power consumption

Advantages and Disadvantages

Advantages: - Efficient logic level translation - High-speed operation - Wide operating voltage range - Low power consumption

Disadvantages: - Limited number of pins for voltage translation - Not suitable for applications requiring higher voltage translation capabilities

Working Principles

The SN74LVC861ADW utilizes a combination of MOSFETs and control circuitry to achieve bidirectional voltage translation. The input signals from the A port are level-shifted to match the voltage levels of the B port, and vice versa. The output enable (OE) pin controls the direction of translation.

Detailed Application Field Plans

The SN74LVC861ADW is commonly used in various applications where logic level translation is required. Some of the typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between devices operating at different voltage levels
3. Battery-powered portable devices with multiple voltage domains
4. Industrial automation systems with mixed voltage components
5. Automotive electronics for voltage level adaptation

Detailed and Complete Alternative Models

1. TXB0108: 8-Bit Bidirectional Voltage-Level Translator
2. PCA9306: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
3. SN74LVC4245A: Octal Bus Transceiver with Dual-Rail-to-Rail Voltage Translation

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVC861ADW based on specific application requirements.

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