MAX3238EAI+ Datasheet PDF - Maxim Integrated

●The MAX3238EAI+ is a 1µA, up to 250Kbps, true RS232 transceiver with AutoShutdown Plus in 28 pin SSOP package. The 5 driver/3 receiver complete serial port is a 3V-powered EIA/TIA-232 and V.28/V.24 communications interface intended for notebook or subnotebook computer applications. A proprietary, high efficiency, dual charge-pump power supply and a low dropout transmitter combine to deliver true RS232 performance from a single supply. When device does not sense a valid signal transition on either the receiver or transmitter inputs within 30sec, the on-board power supply and drivers shut down. This occurs if the RS232 cable is disconnected or if transmitters of the connected peripheral are inactive. The system turns on again when a valid transition is applied to any RS232 receiver or transmitter input, saving power without changes to the existing BIOS or operating system.

● Supply voltage range is 3V to 5.5V

● Operating temperature range from -40°C to 85°C

● 1µA supply current achieved with AutoShutdown Plus, low power shutdown supply current of 1µA

● Flow-through pin out

● Meets EIA/TIA-232 specifications down to 3V

● Maximum transition-region slew rate is 30V/µs at CL = 150pF to 1000pF

● Transmitter skew is 100ns (typical) & receiver skew is 50ns (typical)