Overview
The ST3232ECWR is a 3 V powered EIA/TIA-232 and V.28/V.24 communication interface transceiver produced by STMicroelectronics. This device is designed for low power requirements and high data-rate capabilities, making it suitable for a variety of applications including notebooks, subnotebooks, palmtop computers, battery-powered equipment, hand-held devices, peripherals, and printers.
The ST3232ECWR features a proprietary low-dropout transmitter output stage that ensures true RS-232 performance from 3 to 5.5 V supplies. It requires only four small 0.1 μF standard external capacitors for operation from a 3 V supply.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | ST3232ECWR |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Voltage - Supply | 3 V ~ 5.5 V |
| Type | Transceiver |
| Number of Drivers/Receivers | 2/2 |
| Receiver Hysteresis | 500 mV |
| Protocol | RS232 |
| Data Rate | Up to 250 kbps |
| Operating Temperature | 0°C ~ 70°C |
| ESD Protection | ±15 kV human body model, ±8 kV IEC 1000-4-2 contact discharge |
| Supply Current | 300 μA |
| Slew Rate | 6 V/μs minimum guaranteed |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- ESD protection for RS-232 I/O pins up to ±15 kV human body model and ±8 kV IEC 1000-4-2 contact discharge.
- Low power consumption with a supply current of 300 μA.
- Guaranteed data rate of up to 250 kbps.
- Minimum guaranteed slew rate of 6 V/μs.
- Meets EIA/TIA-232 specifications down to 3 V.
- Available in 16-SOIC package.
- Full duplex communication with two drivers and two receivers.
- 500 mV receiver hysteresis for improved noise rejection.
- Compatible with 3 V to 5.5 V supply voltages.
Applications
The ST3232ECWR is used in various applications requiring serial data communication, including:
- Notebooks, subnotebooks, and palmtop computers.
- Battery-powered equipment and hand-held devices.
- Peripherals and printers.
- Industrial, commercial, and telecom applications.
Q & A
- What is the operating voltage range of the ST3232ECWR?
The ST3232ECWR operates from 3 V to 5.5 V.
- What is the maximum guaranteed data rate of the ST3232ECWR?
The maximum guaranteed data rate is up to 250 kbps.
- What type of ESD protection does the ST3232ECWR offer?
The ST3232ECWR offers ESD protection up to ±15 kV human body model and ±8 kV IEC 1000-4-2 contact discharge.
- What is the supply current of the ST3232ECWR?
The supply current is 300 μA.
- What is the minimum guaranteed slew rate of the ST3232ECWR?
The minimum guaranteed slew rate is 6 V/μs.
- What package types are available for the ST3232ECWR?
The ST3232ECWR is available in a 16-SOIC package.
- Does the ST3232ECWR meet EIA/TIA-232 specifications?
Yes, the ST3232ECWR meets EIA/TIA-232 specifications down to 3 V.
- What is the receiver hysteresis of the ST3232ECWR?
The receiver hysteresis is 500 mV.
- Is the ST3232ECWR RoHS compliant?
Yes, the ST3232ECWR is lead free and RoHS compliant.
- What is the operating temperature range of the ST3232ECWR?
The operating temperature range is from 0°C to 70°C.
