SN74LVC861APWT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, CMOS technology
• Package: TSSOP-20
• Essence: Translates logic levels 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: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Propagation Delay: 2.6ns (typical)
• Number of Channels: 10

Detailed Pin Configuration

The SN74LVC861APWT has a TSSOP-20 package with the following pin configuration:

1. OE (Output Enable) 1
2. A1 (Input A1)
3. B1 (Input B1)
4. Y1 (Output Y1)
5. GND (Ground)
6. Y2 (Output Y2)
7. B2 (Input B2)
8. A2 (Input A2)
9. OE (Output Enable) 2
10. VCC (Supply Voltage)
11. Y3 (Output Y3)
12. B3 (Input B3)
13. A3 (Input A3)
14. OE (Output Enable) 3
15. Y4 (Output Y4)
16. B4 (Input B4)
17. A4 (Input A4)
18. OE (Output Enable) 4
19. Y5 (Output Y5)
20. VCC (Supply Voltage)

Functional Features

• Logic level translation between different voltage domains
• Bidirectional voltage translation
• Supports voltage level shifting from 1.65V to 5.5V
• High-speed operation with a maximum frequency of 100MHz
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - Bidirectional translation simplifies interface design - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited number of channels (10) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVC861APWT is a logic level translator that facilitates communication between devices operating at different voltage levels. It uses CMOS technology to achieve high-speed operation while consuming low power.

The device features bidirectional voltage translation, allowing signals to be translated from a lower voltage domain to a higher voltage domain and vice versa. This capability simplifies the interface design between components operating at different voltage levels.

The SN74LVC861APWT utilizes a combination of input/output buffers and voltage level shifters to ensure proper signal translation. The output enable pins (OE) control the direction of translation, enabling or disabling the translation function for each channel.

Detailed Application Field Plans

The SN74LVC861APWT can be used in various applications where logic level translation is required. Some potential application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Sensor networks: In sensor networks, different sensors may operate at different voltage levels. The SN74LVC861APWT can be employed to translate signals between these sensors and the central processing unit.
3. Communication systems: The IC can be utilized in communication systems to facilitate signal translation between different modules or subsystems operating at different voltage domains.
4. Industrial automation: In industrial automation, different components may operate at different voltage levels. The SN74LVC861APWT can be employed to ensure compatibility and proper signal translation between these components.

Detailed and Complete Alternative Models

1. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74AVC4T245: 4-bit dual-supply bus transceiver with configurable voltage-level shifting and 3-state outputs.
4. CD40109B: Quad level-shifting bus transceiver.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVC861APWT based on specific application requirements.

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