Overview
The ST3241EBPR, manufactured by STMicroelectronics, is a highly integrated RS-232 transceiver designed for use in various portable and battery-powered devices. This device consists of 3 drivers, 5 receivers, and a dual charge-pump circuit, ensuring compliance with EIA/TIA and V.28/V.24 communication standards. It offers enhanced electrostatic discharge (ESD) protection and supports data rates up to 250 kbps. The ST3241EBPR is particularly suited for applications in notebooks, sub-notebooks, palmtop computers, and other handheld equipment due to its low power consumption and compact SSOP 28 package.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3.0 V to 5.5 V |
| Data Rate | Up to 250 kbps |
| ESD Protection | ±8 kV IEC 1000-4-2 contact discharge, ±15 kV human body model |
| Package Type | SSOP 28 (10.2x5.3 mm) |
| Operating Temperature | -40 °C to 85 °C |
| Supply Current in Auto Power-Down | 1 µA |
| Slew Rate | Guaranteed 6 V/µs |
| External Capacitors | 0.1 µF |
Key Features
- ESD protection for RS-232 I/O pins: ±8 kV IEC 1000-4-2 contact discharge, ±15 kV human body model
- Low power consumption: 1 µA supply current in auto power-down
- Guaranteed data rate of 250 kbps
- Guaranteed slew rate of 6 V/µs
- Mouse drive ability
- Meets EIA/TIA-232 specifications down to 3 V
- Proprietary low-dropout transmitter output stage for true RS-232 performance from a 3.0 V to 5.5 V supply
- Receiver R2 always active for wake-up feature
Applications
The ST3241EBPR is designed for use in a variety of applications, including:
- Notebooks and sub-notebooks
- Palmtop computers
- Battery-powered equipment
- Handheld equipment
- Peripherals and printers
Q & A
- What is the ST3241EBPR?
The ST3241EBPR is a 3 to 5.5V, 400kbps RS-232 transceiver with ESD protection, manufactured by STMicroelectronics. - What are the key features of the ST3241EBPR?
Key features include ESD protection, low power consumption, guaranteed data rate of 250 kbps, and compliance with EIA/TIA-232 specifications. - What is the operating temperature range of the ST3241EBPR?
The operating temperature range is -40 °C to 85 °C. - What package type is the ST3241EBPR available in?
The device is available in an SSOP 28 (10.2x5.3 mm) package. - What is the supply voltage range for the ST3241EBPR?
The supply voltage range is 3.0 V to 5.5 V. - Does the ST3241EBPR support auto power-down?
Yes, it supports auto power-down with a supply current of 1 µA. - What is the slew rate of the ST3241EBPR?
The slew rate is guaranteed at 6 V/µs. - What are typical applications for the ST3241EBPR?
Typical applications include notebooks, sub-notebooks, palmtop computers, battery-powered equipment, and handheld devices. - How much ESD protection does the ST3241EBPR offer?
The device offers ±8 kV IEC 1000-4-2 contact discharge and ±15 kV human body model ESD protection. - Does the ST3241EBPR meet EIA/TIA-232 specifications?
Yes, it meets EIA/TIA-232 specifications down to 3 V.
