Description
The SN65C3221E and SN75C3221E consist of one line driver, one line receiver, and a dual charge-pump circuit with ±15-kV IEC ESD protection pin to pin (serial-port connection pins, including GND).
Features
- ESD Protection for RS-232 pins.
- ±15-kV Human-body model (HBM).
- ±8-kV IEC 61000-4-2 Contact discharge.
- ±15-kV IEC 61000-4-2 Air-gap discharge.
- Operate with 3-V to 5.5-V VCC supply.
- Operate up to 1 Mbit/s.
- Low Standby Current . . . 1 μA Typical.
- External capacitors . . . 4 × 0.1 μF.
- Accepts 5-V logic input with 3.3-V supply.
- RS-232 Bus-pin esd protection exceeds ±15 kv
using human-body model (HBM).
SN65C3221E Datasheet
