Overview
The ST3232CN is a 3 to 5.5 V powered EIA/TIA-232 and V.28/V.24 communication interface IC produced by STMicroelectronics. This device is designed to provide reliable and efficient RS-232 interfacing with low power consumption and high data-rate capabilities. It features a proprietary low dropout transmitter output stage, ensuring true RS-232 performance across the specified voltage range.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 5.5 | V | |
| Supply Current (ISUPPLY) | 0.3 | 1 | mA | |
| Data Rate | 250 | 400 | kbps | |
| Receiver Hysteresis | 500 | mV | ||
| Operating Temperature | 0 | 70 | °C | |
| Package Type | PDIP-16 | |||
| Number of Drivers/Receivers | 2/2 |
Key Features
- Low power consumption with a supply current of 300 µA at 3 V.
- Guaranteed data rate of 250 kbps with the capability to reach up to 400 kbps.
- Meets EIA/TIA-232 specifications down to 3 V.
- Proprietary low dropout transmitter output stage for true RS-232 performance.
- Requires only four small 0.1 µF external capacitors for operation from a 3 V supply.
- Available in PDIP-16 package.
Applications
The ST3232CN is suitable for various applications including:
- Notebooks, subnotebooks, and palmtop computers.
- Battery-powered equipment.
- Hand-held equipment.
- Peripherals and printers.
Q & A
- What is the operating voltage range of the ST3232CN?
The ST3232CN operates within a voltage range of 3 to 5.5 V.
- What is the maximum data rate supported by the ST3232CN?
The ST3232CN supports data rates up to 400 kbps.
- How many drivers and receivers does the ST3232CN have?
The ST3232CN has 2 drivers and 2 receivers.
- What is the typical supply current of the ST3232CN at 3 V?
The typical supply current is 1 mA at 3 V.
- What type of package is the ST3232CN available in?
The ST3232CN is available in a PDIP-16 package.
- What is the operating temperature range of the ST3232CN?
The operating temperature range is from 0 to 70 °C.
- Does the ST3232CN meet EIA/TIA-232 specifications?
- How many external capacitors are required for the ST3232CN to operate from a 3 V supply?
Four small 0.1 µF external capacitors are required.
- What is the receiver hysteresis of the ST3232CN?
The receiver hysteresis is 500 mV.
- In what types of devices is the ST3232CN commonly used?
The ST3232CN is commonly used in notebooks, subnotebooks, palmtop computers, battery-powered equipment, hand-held equipment, peripherals, and printers.
