STMicroelectronics ST3232x
3 to 5.5V, low-power, up to 400kbs RS-232 drivers and receivers
The ST3232B and ST3232C devices are 3 V powered EIA/TIA-232 and V.28/V.24 communication interfaces with low power requirements and high data-rate capabilities. These devices have a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 5.5 V supplies. The devices require only four small 0.1 mF standard external capacitors for operation from a 3 V supply. The ST3232B has two receivers and two drivers. The devices are guaranteed to run at data rates of 250 kbps while maintaining RS-232 output levels. Typical applications are notebooks, subnotebooks and palmtop computers, battery-powered equipment, hand-held equipment, peripherals, and printers.
Key features
- 300µA supply current
- 300Kbps minimum guaranteed data rate
- 6V/µs minimum guaranteed slew rate
- 16 lead SO package
- Temperature range from -40 to 85°C
- Meets EIA/TIA-232 specifications down to 3V
Applications
- Portable pc
- Batterypowered equipment
- Hand-held equipment
- Peripherals
- Printers
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