Overview
The SN75ALS191DRG4, produced by Texas Instruments, is a dual differential line driver designed for high-speed data transmission over twisted-pair or parallel-wire transmission lines. This component is part of the SN75ALS191 series and is known for its compatibility with various industrial and communication standards. It operates on a single 5V supply and is characterized by its high-speed performance and low power consumption, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | 5 | 5.25 | V |
| High Level Input Voltage (VIH) | 2 | V | ||
| Low Level Input Voltage (VIL) | 0.8 | V | ||
| High Level Output Current (IOH) | -20 | mA | ||
| Low Level Output Current (IOL) | 20 | mA | ||
| Operating Free-Air Temperature (TA) | 0 | 70 | °C | |
| Propagation Delay Time | <10 | ns | ||
| Output Enable Time to High Level | 11 | 15 | ns | |
| Output Disable Time from High Level | 8 | 15 | ns |
Key Features
- Meets or exceeds the requirements of ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11.
- Designed to operate up to 20 Mbaud.
- 3-State TTL compatible.
- Single 5V supply operation.
- High output impedance in power-off condition.
- Complementary output-enable inputs.
- Advanced low-power Schottky technology for high speed without significant power penalties.
Applications
- Factory automation.
- ATM and cash counters.
- Smart grid systems.
- AC and servo motor drives.
Q & A
- What is the SN75ALS191DRG4 used for? The SN75ALS191DRG4 is used for high-speed data transmission over twisted-pair or parallel-wire transmission lines.
- What are the operating temperature ranges for the SN75ALS191DRG4? The operating temperature range is from 0°C to 70°C.
- What is the maximum data rate supported by the SN75ALS191DRG4? The device is capable of data rates in excess of 20 Mbit/s.
- What are the package options available for the SN75ALS191DRG4? The component is available in SOIC (D) and other package types similar to the SN75ALS192 series.
- Is the SN75ALS191DRG4 compatible with TTL circuits? Yes, it is 3-State TTL compatible.
- What is the typical propagation delay time for the SN75ALS191DRG4? The typical propagation delay time is less than 10 ns.
- How does the SN75ALS191DRG4 handle power-off conditions? It maintains high output impedance in power-off conditions.
- What are the complementary output-enable inputs used for? The complementary output-enable inputs allow the device to be enabled at either a high or low input level.
- What technology is used in the SN75ALS191DRG4 to achieve high speed with low power consumption? Advanced low-power Schottky technology is used.
- What standards does the SN75ALS191DRG4 comply with? It meets or exceeds the requirements of ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11.
