SCAN18541TSSCX

Product Overview

Category: Integrated Circuit (IC)

Use: The SCAN18541TSSCX is a high-speed, 16-bit universal bus transceiver designed for use in digital systems. It provides bidirectional level shifting and voltage translation between a 3.3V bus and a 5V bus.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - ESD protection - Small package size

Package: The SCAN18541TSSCX is available in a small outline integrated circuit (SOIC) package.

Essence: The essence of the SCAN18541TSSCX is its ability to facilitate communication between digital systems operating at different voltage levels.

Packaging/Quantity: The SCAN18541TSSCX is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Voltage Range (A Port): -0.5V to VCC + 0.5V
• Input Voltage Range (B Port): -0.5V to 7V
• Output Voltage Range (A/B Ports): 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Maximum Propagation Delay: 4.5ns

Detailed Pin Configuration

The SCAN18541TSSCX has a total of 20 pins, which are assigned specific functions as follows:

1. A1: Data Input/Output (Bidirectional)
2. A2: Data Input/Output (Bidirectional)
3. A3: Data Input/Output (Bidirectional)
4. A4: Data Input/Output (Bidirectional)
5. A5: Data Input/Output (Bidirectional)
6. A6: Data Input/Output (Bidirectional)
7. A7: Data Input/Output (Bidirectional)
8. GND: Ground
9. B7: Data Input/Output (Bidirectional)
10. B6: Data Input/Output (Bidirectional)
11. B5: Data Input/Output (Bidirectional)
12. B4: Data Input/Output (Bidirectional)
13. B3: Data Input/Output (Bidirectional)
14. B2: Data Input/Output (Bidirectional)
15. B1: Data Input/Output (Bidirectional)
16. VCCB: B Port Supply Voltage
17. OE: Output Enable
18. DIR: Direction Control
19. VCCA: A Port Supply Voltage
20. NC: No Connection

Functional Features

• Bidirectional level shifting between 3.3V and 5V buses
• Automatic direction control based on DIR pin
• Output enable/disable control using OE pin
• High-speed operation for efficient data transfer
• ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages: - Enables communication between digital systems operating at different voltage levels - Low power consumption - Wide operating voltage range allows for versatile applications - Small package size saves board space - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited to 16-bit bus width - Not suitable for applications requiring higher voltage translation capabilities

Working Principles

The SCAN18541TSSCX operates by monitoring the DIR pin to determine the direction of data flow. When DIR is set to logic high, data is transmitted from the A port to the B port. Conversely, when DIR is set to logic low, data is transmitted from the B port to the A port. The OE pin can be used to enable or disable the outputs, allowing for control over data transmission.

Detailed Application Field Plans

The SCAN18541TSSCX is commonly used in various digital systems that require voltage translation between 3.3V and 5V buses. Some specific application fields include:

1. Microcontroller interfacing
2. Communication protocols (e.g., UART, SPI, I2C)
3. Data acquisition systems
4. Industrial automation
5. Robotics

Detailed and Complete Alternative Models

1. SN74LVCC3245A: 8-bit bidirectional voltage-level translator with automatic direction control.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction control and integrated pull-up resistors.

These alternative models offer similar functionality to the SCAN18541TSSCX and can be considered as alternatives based on specific requirements and system constraints.

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