TC74VHCT245AFTEL

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-Speed, Low-Power, 8-bit Bidirectional Voltage-Level Translator
• Package: TSSOP-20
• Essence: Transfers data between two bidirectional bus systems operating at different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Data Rate: 120 Mbps
• Number of Channels: 8
• Input/Output Capacitance: 6 pF (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. OE (Output Enable)
2. A1 (Input/Output Terminal)
3. B1 (Input/Output Terminal)
4. A2 (Input/Output Terminal)
5. B2 (Input/Output Terminal)
6. A3 (Input/Output Terminal)
7. B3 (Input/Output Terminal)
8. GND (Ground)
9. B4 (Input/Output Terminal)
10. A4 (Input/Output Terminal)
11. B5 (Input/Output Terminal)
12. A5 (Input/Output Terminal)
13. B6 (Input/Output Terminal)
14. A6 (Input/Output Terminal)
15. B7 (Input/Output Terminal)
16. A7 (Input/Output Terminal)
17. VCC (Supply Voltage)
18. DIR (Direction Control)
19. B8 (Input/Output Terminal)
20. A8 (Input/Output Terminal)

Functional Features

• Bidirectional voltage-level translation between two bus systems
• Supports both 3.3V and 5V logic levels
• High-speed data transfer up to 120 Mbps
• Low power consumption
• Output enable (OE) pin for disabling the outputs
• Direction control (DIR) pin for controlling the data flow direction

Advantages

• Wide supply voltage range allows compatibility with various systems
• High-speed operation enables efficient data transfer
• Low power consumption helps in reducing overall system power requirements
• Bidirectional functionality simplifies the design of bus interfaces
• Small package size (TSSOP-20) saves board space

Disadvantages

• Limited number of channels (8) may not be sufficient for complex bus systems
• Input/output capacitance may affect signal integrity in high-frequency applications

Working Principles

The TC74VHCT245AFTEL is a bidirectional level shifter and bus transceiver IC. It translates voltage levels between two bidirectional bus systems operating at different voltage levels. The DIR pin controls the direction of data flow, while the OE pin enables or disables the outputs. The IC operates within a wide supply voltage range and supports high-speed data transfer.

Detailed Application Field Plans

1. Interfacing between microcontrollers operating at different voltage levels
2. Level shifting in communication protocols such as I2C, SPI, and UART
3. Bus transceiver for connecting devices with different logic levels
4. Voltage-level translation in mixed-voltage systems

Detailed and Complete Alternative Models

1. SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
2. CD4508B: CMOS Dual 4-Bit Latch/4-to-8 Line Decoder
3. PCA9306: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator

(Note: These alternative models are provided as examples and may not be direct replacements for TC74VHCT245AFTEL. Please refer to the respective datasheets for detailed specifications and compatibility.)

This entry provides an overview of the TC74VHCT245AFTEL, a high-speed, low-power bidirectional level shifter and bus transceiver IC. It includes basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. The TC74VHCT245AFTEL is suitable for various applications requiring voltage-level translation and bidirectional data transfer between different bus systems.