SN74ALVC245PWR

SN74ALVC245PWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation, low power consumption, high-speed operation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: A versatile IC that facilitates the bidirectional transfer of digital signals between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.7 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.3 x VCC
• Maximum Operating Frequency: 400 MHz

Detailed Pin Configuration

The SN74ALVC245PWR has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

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

Functional Features

• Bi-directional voltage level translation between two different voltage domains.
• Allows bidirectional data transfer between devices operating at different voltage levels.
• Supports voltage level shifting from 1.65V to 3.6V.
• Low power consumption, making it suitable for battery-powered applications.
• High-speed operation with a maximum frequency of 400 MHz.

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels.
• Provides bidirectional data transfer capability.
• Low power consumption extends battery life in portable devices.
• High-speed operation allows for efficient data transmission.

Disadvantages

• Limited to voltage level translation within the specified range (1.65V to 3.6V).
• May require additional components for more complex voltage level translation scenarios.

Working Principles

The SN74ALVC245PWR operates by utilizing a combination of MOSFETs and CMOS technology. It employs a bidirectional voltage level translation technique to enable seamless communication between devices operating at different voltage levels. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the output. By properly configuring the input and control pins, the IC facilitates the translation of digital signals between different voltage domains.

Detailed Application Field Plans

The SN74ALVC245PWR finds extensive application in various electronic systems where voltage level translation is required. Some of the common application fields include: - Interfacing microcontrollers with peripherals operating at different voltage levels. - Communication between devices with different logic families (e.g., TTL and CMOS). - Level shifting in battery-powered portable devices, such as smartphones and tablets. - Data transfer between systems operating at different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC245APWR: Similar to SN74ALVC245PWR but operates at a lower voltage range of 1.65V to 3.3V.
2. SN74LVCH245APWR: Bi-directional level shifter with a wider voltage range of 1.2V to 3.6V.
3. SN74HCT245PW: Octal bus transceiver with TTL compatibility and a voltage range of 4.5V to 5.5V.

These alternative models provide similar functionality to the SN74ALVC245PWR but may have different voltage ranges or additional features tailored for specific applications.

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