SN75140P

Product Overview

• Category: Integrated Circuit (IC)
• Use: Line Driver/Receiver
• Characteristics: High-speed, low-power, differential line driver/receiver
• Package: DIP (Dual In-line Package)
• Essence: Transfers digital signals over long distances with minimal distortion
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 10 Mbps
• Number of Channels: 1
• Input Threshold Voltage: ±200mV
• Output Voltage Swing: ±3.5V
• Propagation Delay: 60ns (typical)

Detailed Pin Configuration

The SN75140P has a total of 16 pins:

1. VCC - Positive power supply
2. GND - Ground reference
3. A - Non-inverting input
4. B - Inverting input
5. Y - Differential output
6. Z - Complementary output
7. REN - Receiver enable
8. DE - Driver enable
9. RE - Receiver output enable
10. DI - Driver input
11. RO - Receiver output
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection

Functional Features

• High-speed data transmission over long distances
• Low power consumption
• Differential signaling for noise immunity
• Built-in receiver and driver enable/disable functionality
• Wide operating temperature range for various environments

Advantages and Disadvantages

Advantages: - High-speed data transfer capability - Low power consumption - Noise immunity due to differential signaling - Easy integration into existing systems - Wide operating temperature range

Disadvantages: - Limited to single-channel communication - Requires external components for complete functionality - Not suitable for applications requiring multiple channels or higher data rates

Working Principles

The SN75140P is designed to transmit and receive digital signals over long distances while minimizing distortion. It operates on a differential signaling principle, where the non-inverting input (A) and inverting input (B) receive the digital signal. The internal circuitry amplifies and shapes the received signal, which is then available at the receiver output (RO). The driver input (DI) accepts the digital signal to be transmitted, and the built-in driver amplifies and shapes it before sending it out through the differential output (Y and Z).

Detailed Application Field Plans

The SN75140P finds application in various fields, including:

1. Telecommunications: Used in long-distance communication systems to transmit digital signals with minimal distortion.
2. Industrial Automation: Enables reliable data transmission between control systems and remote devices over long distances.
3. Automotive Electronics: Facilitates communication between different electronic modules within vehicles, ensuring accurate and noise-immune data transfer.
4. Medical Equipment: Allows for the transmission of critical data between medical devices, ensuring accuracy and reliability.

Detailed and Complete Alternative Models

1. MAX232 - Similar line driver/receiver IC with additional features like charge pumps for voltage conversion.
2. LTC485 - Differential line transceiver with higher data rate capability and extended temperature range.
3. SN65HVD178x - Multi-channel RS-485 transceivers with enhanced ESD protection and higher data rates.

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