MAX3238E PDF Datasheet


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Description

This is +3.0V to +5.5V / 10nA / 250kbps RS-232 Transceivers with 15kV ESD-Protected I/O and Logic Pins. 19-1632; Rev 1; 6, 01 +3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers with ±15kV ESD-Protected I, O and Logic Pins General Description The MAX3238E, MAX3248E transceivers use Maxim’s revolutionary AutoShutdown Plus™ feature to achieve 10nA supply current. These devices shut down the onboard power supply and drivers when they do not sense a valid signal transition on either the receiver or transmitter inputs. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The devices turn on again when a valid transition is applied to any RS-232 receiver or transmitter input. AutoShutdown Plus automatically achieves this power savings through its on-board circuitry, as no changes are required to the existing BIOS or operating system. All RS-232 inputs and outputs, as well as the logic I, O pins, have enhanced ESD protection to ±15kV. The additional ESD protection on the logic I, O pins makes the MAX3238E, MAX3248E ideal for cell phon.