Description
The SN65C3221 and SN75C3221 consist of one line driver, one line receiver, and a dual chargepump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND).
Features
- 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 x 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).
- Auto-powerdown feature automatically disables
drivers for power savings
2.
SN65C3221 Datasheet
