SN74LVC861APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage level shifting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and reel, 2500 pieces 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: 100 MHz
• Propagation Delay: 2.6 ns (typical)
• Low Power Consumption: 10 µA (maximum)

Detailed Pin Configuration

The SN74LVC861APWR has a total of 20 pins. The pin configuration is as follows:

1. A1
2. B1
3. GND
4. A2
5. B2
6. OE#
7. VCC
8. Y1
9. Y2
10. GND
11. A3
12. B3
13. OE#
14. VCC
15. Y3
16. Y4
17. GND
18. A4
19. B4
20. VCC

Functional Features

• Bidirectional voltage level translation
• Supports multiple voltage domains
• High-speed operation
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Fast propagation delay enables high-speed data transmission - Low power consumption helps in reducing overall system power requirements - Schmitt-trigger inputs provide robustness against noise - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited maximum operating frequency compared to some other logic level translators - TSSOP package may be challenging for manual soldering

Working Principles

The SN74LVC861APWR is designed to translate logic levels between different voltage domains. It uses a combination of MOSFETs and CMOS technology to achieve bidirectional voltage level shifting. The inputs and outputs are protected against electrostatic discharge (ESD) to ensure reliable operation.

Detailed Application Field Plans

The SN74LVC861APWR can be used in various applications where logic level translation is required. Some potential application fields include:

1. Communication systems: Used to interface between different voltage domains in communication protocols such as UART, SPI, I2C, etc.
2. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
3. Sensor interfaces: Allows connection of sensors with different voltage requirements to microcontrollers or other processing units.
4. Battery-powered devices: Provides level shifting capability for low-power devices operating at different voltage levels.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing
2. PCA9306DCUR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
3. SN74AVC4T245PW: 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
4. CD4050BE: Hex Non-Inverting Buffer/Converter

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVC861APWR based on specific application requirements.

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