Key facts
- Brand
- STMicroelectronics
- Model
- ST3222E
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-08
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ST ST3222EB ST3222EC handbook
The STMicroelectronics ST3222E is a low-power RS-232 driver and receiver designed for notebook computers, palmtop devices, battery-powered equipment, and hand-held peripherals. It operates from a 3V to 5.5V supply using an internal charge pump that requires only four small external capacitors.
Read onlineSTMicroelectronics ST3222E specifications
| Supply Voltage Range | 3 to 5.5 V |
|---|---|
| Data Rate | Up to 250 Kbps |
| ESD Protection (Human Body Model) | +15 kV |
| Supply Current (Shutdown Mode) | 1 mA |
Source: ST ST3222EB ST3222EC handbook
All STMicroelectronics ST3222E documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the minimum supply voltage for operation?
The device operates from a 3V to 5.5V supply.
How many external capacitors are required for the charge pump?
The device requires four small 0.1 mF external capacitors.
What is the minimum guaranteed data rate?
The device guarantees a minimum data rate of 250Kbps.
From: STMicroelectronics ST3222E RS-232 Driver and Receiver Datasheet
How many external capacitors are required for the charge pump?
The charge pump requires only four small 0.1µF external capacitors.
From: STMicroelectronics ST3222E RS-232 Driver and Receiver Datasheet