Overview
The ST75185CPR, produced by STMicroelectronics, is a multiple RS-232 drivers and receivers integrated circuit. This component is designed to provide a rugged, low-cost solution for serial communication applications. It is compatible with the EIA/TIA-232-E and ITU (formerly CCITT) v.28 standards, ensuring reliable data interchange between a host computer and peripherals at signalling rates up to 20 k-bits/s. The ST75185CPR features a pinout that matches the DB9S connector design, simplifying the interface between UART and serial port connectors of IBM PC/AT™ and compatible systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Min | 4.5 | Volt |
| Supply Voltage Max | 5.5 | Volt |
| Operating Temp Min | 0.0 | Celsius |
| Operating Temp Max | 70.0 | Celsius |
| Packing Type | Tape And Reel | |
| RoHs compliant | Ecopack3 | |
| Grade | Industrial | |
| Package Name | SSOP-20 | |
| Number of Drivers | 3 | |
| Number of Receivers | 5 |
Key Features
- Meets and exceeds the requirements of EIA/TIA-232-E and ITU (formerly CCITT) v.28 standards.
- Single chip with easy interface between UART and serial port connector of IBM PC/AT™ and compatibles.
- Designed to support data rates up to 120 kbps with lower capacitive loads.
- Pinout compatible with DB9S connector design to reduce part count and board space.
- Bipolar circuits providing a rugged and low-cost solution.
- Operating temperature range from 0°C to 70°C.
Applications
The ST75185CPR is suitable for various serial communication applications, including:
- Serial port interfaces in computers and peripherals.
- Industrial control systems requiring reliable serial communication.
- Embedded systems that need to interface with serial devices.
- Any application requiring compliance with EIA/TIA-232-E and ITU v.28 standards.
Q & A
- What is the operating temperature range of the ST75185CPR?
The operating temperature range is from 0°C to 70°C. - How many drivers and receivers does the ST75185CPR contain?
The ST75185CPR contains three drivers and five receivers. - What are the supply voltage ranges for the ST75185CPR?
The supply voltage ranges are 4.5V to 5.5V for VCC, 7.5V to 15V for VDD, and -7.5V to -15V for VSS. - Is the ST75185CPR RoHS compliant?
Yes, the ST75185CPR is RoHS compliant with the Ecopack3 standard. - What is the package type of the ST75185CPR?
The package type is SSOP-20, and it is available in tape and reel packaging. - What standards does the ST75185CPR comply with?
The ST75185CPR complies with EIA/TIA-232-E and ITU (formerly CCITT) v.28 standards. - What is the maximum data rate supported by the ST75185CPR?
The ST75185CPR supports data rates up to 120 kbps with lower capacitive loads. - How does the pinout of the ST75185CPR simplify the design?
The pinout matches the DB9S connector design, reducing part count and board space, and allowing easy interconnection of the UART and serial port connector. - What are the typical applications of the ST75185CPR?
Typical applications include serial port interfaces in computers and peripherals, industrial control systems, and embedded systems requiring serial communication. - What is the thermal resistance junction-case for the TSSOP20 package?
The thermal resistance junction-case for the TSSOP20 package is 27.22 °C/W.
