Overview
The SN75ALS180DRE4, produced by Texas Instruments, is an integrated circuit designed for bidirectional data communication on multipoint bus-transmission lines. This component is part of the SN75ALS180 series, which combines a 3-state differential line driver and a differential input line receiver. Although the SN75ALS180 is currently obsolete and no longer in production, it remains relevant for existing designs and maintenance of older systems.
The device operates from a single 5-V power supply and is compatible with various communication standards, including TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11. It features high-speed advanced low-power Schottky circuitry, making it suitable for both serial and parallel applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | SOIC (D) | 14 pins |
| Operating Temperature Range | °C | 0 to 70 |
| Supply Voltage | V | 5 V |
| Data Rate | Mbps | 25 Mbps |
| Driver Output Capacity | mA | ±60 mA |
| Differential Output Voltage | V | 1.5 to 6 V (RL = 100 Ω) |
| Receiver Hysteresis | V | Typically 60 mV |
| Skew Between Devices | ns | 6 ns max |
| Supply Current | mA | 30 mA max |
Key Features
- Compliance with Standards: Meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11.
- High-Speed Operation: Designed for 25-Mbaud operation in both serial and parallel applications.
- Low Power Consumption: High-speed advanced low-power Schottky circuitry.
- Wide Voltage Range: Wide positive and negative input/output bus voltage ranges.
- Individual I/O Pins: Individual driver and receiver I/O pins with dual VCC and dual GND.
- Thermal Shutdown Protection: Built-in thermal shutdown protection for enhanced reliability.
- Glitch-Free Power-Up and Power-Down Protection: Ensures stable operation during power transitions.
Applications
The SN75ALS180DRE4 is suitable for various applications requiring reliable and high-speed bidirectional data communication. These include:
- Multipoint Bus Systems: Ideal for multipoint bus-transmission lines where multiple devices need to communicate.
- Industrial Control Systems: Used in industrial control systems that require robust and reliable communication.
- Telecommunications: Applicable in telecommunications equipment where high-speed data transmission is necessary.
- Automotive Systems: Can be used in automotive systems for reliable data communication between different modules.
Q & A
- What is the operating temperature range of the SN75ALS180DRE4?
The operating temperature range is 0°C to 70°C.
- What is the supply voltage for the SN75ALS180DRE4?
The supply voltage is 5 V.
- What data rate can the SN75ALS180DRE4 support?
The device supports up to 25 Mbps.
- Does the SN75ALS180DRE4 meet any specific communication standards?
Yes, it meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11.
- What is the driver output capacity of the SN75ALS180DRE4?
The driver output capacity is ±60 mA.
- Is the SN75ALS180DRE4 still in production?
No, the SN75ALS180 is currently obsolete and no longer in production. New designs should consider an alternate product.
- What type of packaging is available for the SN75ALS180DRE4?
The device is available in SOIC (D) packages with 14 pins, and can be ordered in tubes, reels, or custom reels.
- Does the SN75ALS180DRE4 have thermal shutdown protection?
Yes, it includes thermal shutdown protection for enhanced reliability.
- What is the typical receiver hysteresis of the SN75ALS180DRE4?
The typical receiver hysteresis is 60 mV.
- What is the maximum skew between devices for the SN75ALS180DRE4?
The maximum skew between devices is 6 ns.
