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Features for the MAX3232E
- ESD protection for RS-232 bus pins
- ±15 kV (HBM)
- ±8 kV (IEC61000-4-2, Contact discharge)
- ±15 kV (IEC61000-4-2, Air-gap discharge)
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
- Operates with 3-V to 5.5-V VCC supply
- Operates up to 250 kbit/s
- Two drivers and two receivers
- Low supply current: 300 µA (typical)
- External capacitors: 4 × 0.1 µF
- Accepts 5-V logic input with 3.3-V supply
- Pin compatible to alternative high-speed devices (1 Mbit/s)
- SN65C3232E (–40°C to +85°C)
- SN75C3232E (0°C to 70°C)
Description for the MAX3232E
The MAX3232E device consists of two line drivers, two-line receivers, and a dual charge-pump circuit with ±15-kV IEC ESD protection pin to pin (serial-port connection pins, including GND).
The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver output slew rate.
