74LVC646APW,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-power, bidirectional voltage level shifting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: A versatile IC that allows bidirectional voltage level shifting between different logic levels.
• Packaging/Quantity: Tape and reel packaging, typically sold in quantities of 2500 units.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Family: LVC (Low-Voltage CMOS)
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVC646APW,118 has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. I/O1 (Bidirectional Data I/O) 1
3. I/O2 (Bidirectional Data I/O) 2
4. GND (Ground)
5. I/O3 (Bidirectional Data I/O) 3
6. I/O4 (Bidirectional Data I/O) 4
7. VCC (Supply Voltage)
8. I/O5 (Bidirectional Data I/O) 5
9. I/O6 (Bidirectional Data I/O) 6
10. I/O7 (Bidirectional Data I/O) 7
11. I/O8 (Bidirectional Data I/O) 8
12. DIR (Direction Control)
13. GND (Ground)
14. A1 (Address Input) 1
15. A2 (Address Input) 2
16. A3 (Address Input) 3
17. A4 (Address Input) 4
18. GND (Ground)
19. VCC (Supply Voltage)
20. OE (Output Enable) 2
21. I/O9 (Bidirectional Data I/O) 9
22. I/O10 (Bidirectional Data I/O) 10
23. I/O11 (Bidirectional Data I/O) 11
24. I/O12 (Bidirectional Data I/O) 12

Functional Features

• Bidirectional voltage level shifting: Allows seamless communication between devices operating at different logic levels.
• Automatic direction control: The DIR pin determines the direction of data flow, simplifying the interface design.
• Output enable control: The OE pins can be used to enable or disable the outputs, providing flexibility in system operation.
• High-speed operation: Capable of supporting data rates up to 400 Mbps.
• Low-power consumption: Designed for low-voltage and low-power applications.

Advantages and Disadvantages

Advantages: - Versatile level shifter suitable for various applications. - Supports bidirectional communication between different logic levels. - High-speed operation allows for efficient data transfer. - Low-power consumption helps conserve energy.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring a higher number of connections. - Operating temperature range (-40°C to +85°C) may not be suitable for extreme environments.

Working Principles

The 74LVC646APW,118 is based on CMOS technology and operates as a bidirectional voltage level shifter. It uses internal circuitry to convert signals between different logic levels, allowing seamless communication between devices with incompatible voltage levels. The DIR pin controls the direction of data flow, while the OE pins enable or disable the outputs. The IC operates at high speeds and consumes low power, making it suitable for a wide range of applications.

Detailed Application Field Plans

The 74LVC646APW,118 can be used in various applications, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different logic levels.
2. Sensor networks: Allows level shifting between sensors and microcontrollers to ensure compatibility.
3. Industrial automation: Facilitates communication between different control systems with varying voltage levels.
4. Communication interfaces: Enables bidirectional data transfer between devices using different logic families.
5. Automotive electronics: Supports voltage level translation in automotive systems, such as CAN bus interfaces.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC646APW,118 are:

1. SN74LVC646APW - Texas Instruments
2. MC74LVC646APW - ON Semiconductor
3. CD74LVC646APW - Texas Instruments
4. 74LVC646APW-T - NXP Semiconductors
5. TC74LVC646APW - Toshiba

These alternative models provide comparable bid