Overview
The SN75189DR, manufactured by Texas Instruments, is a monolithic low-power Schottky quadruple line receiver. This device is designed to meet the requirements of the standard interface between data-terminal equipment and data-communication equipment as defined by TIA/EIA-232-F and ITU Recommendation V.28. It operates from a single 5-V supply and is fully interchangeable with Motorola's MC1489 and MC1489A. The SN75189DR is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) and is suitable for surface mount applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Number of Drivers/Receivers | 0/4 |
| Protocol | RS232 |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Input Resistance | 3 k to 7 k |
| Input Signal Range | ±30 V |
Key Features
- Operate From Single 5-V Supply
- Built-In Input Hysteresis (Double Thresholds)
- Response Control that Provides:
- Input Threshold Shifting
- Input Noise Filtering
- Meet or Exceed the Requirements of TIA/EIA-232-F and ITU Recommendation V.28
- Fully Interchangeable With Motorola MC1489 and MC1489A
Applications
The SN75189DR is primarily used in applications requiring the standard interface between data-terminal equipment and data-communication equipment, such as in RS232 communication systems. It is suitable for various industrial, commercial, and consumer electronic devices that need reliable and low-power data transmission.
Q & A
- What is the primary function of the SN75189DR?
The SN75189DR is a quadruple line receiver designed to meet the requirements of the standard interface between data-terminal equipment and data-communication equipment as defined by TIA/EIA-232-F and ITU Recommendation V.28.
- What is the operating voltage range of the SN75189DR?
The SN75189DR operates from a single 5-V supply, with a voltage range of 4.5 V to 5.5 V.
- What is the package type of the SN75189DR?
The SN75189DR is packaged in a 14-pin SOIC (Small Outline Integrated Circuit).
- What is the operating temperature range of the SN75189DR?
The SN75189DR operates from 0°C to 70°C.
- Does the SN75189DR have built-in input hysteresis?
Yes, the SN75189DR has built-in input hysteresis with double thresholds.
- Can the SN75189DR be used for noise filtering?
Yes, the SN75189DR provides response control that includes input noise filtering through an external capacitor.
- Is the SN75189DR interchangeable with other devices?
Yes, the SN75189DR is fully interchangeable with Motorola's MC1489 and MC1489A.
- What is the input signal range of the SN75189DR?
The input signal range of the SN75189DR is ±30 V.
- What is the input resistance of the SN75189DR?
The input resistance of the SN75189DR is between 3 kΩ and 7 kΩ.
- What are the typical applications of the SN75189DR?
The SN75189DR is used in RS232 communication systems and other applications requiring the standard interface between data-terminal equipment and data-communication equipment.
