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MAX3209E

Maxim
Part Number MAX3209E
Manufacturer Maxim
Description 15kV ESD-Protected / 12V / Dual RS-232 Serial Port
Published Jun 13, 2005
Detailed Description 19-1471; Rev 1; 9/99 ±15kV ESD-Protected, 12V, Dual RS-232 Serial Port with Low-Power Standby for Motherboards/Desktops...
Datasheet PDF File MAX3209E PDF File

MAX3209E
MAX3209E

Overview
19-1471; Rev 1; 9/99 ±15kV ESD-Protected, 12V, Dual RS-232 Serial Port with Low-Power Standby for Motherboards/Desktops General Description The MAX3209E is a complete, dual DTE RS-232 serial port (6 transmitters, 10 receivers) for motherboards and desktop PCs that ensures compliance with the stringent ESD requirements of the European Community.
The device minimizes board space and power consumption by eliminating the need for a negative power supply; it integrates two serial ports and a charge pump into a single 38-pin TSSOP package.
The MAX3209E features a 50µA low-power standby mode for compliance with system power-management requirements.
During standby, while the device operates from the single +3V to +5.
5V logic supply, one receiver on each port remains active, allowing automatic system wake-up when peripheral communications resume.
All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model, making the device ideal for use in harsh environments or mission-critical equipment.
As a result of its robust charge-pump structure, the MAX3209E guarantees mouse driveability and true RS-232 operation at data rates up to 460kbps, ensuring compatibility with PC-to-PC communication software (such as LapLink™).
Features o Two Complete Serial Ports in a Single 38-Pin TSSOP Package o Requires Only +12V Supply and Logic Supply (+3V to +5.
5V) o No Negative Supply Required o One Receiver Active per Port in Standby for System Wake-Up o 460kbps Data Rate; LapLink Compatible o Enhanced ESD Protection ±15kV—Human Body Model ±8kV—IEC 1000-4-2, Contact Discharge ±15kV—IEC 1000-4-2, Air-Gap Discharge o Low 50µA Standby Current o Operates with Either +3V or +5V Logic o Guaranteed Mouse Driveability o Small 0.
1µF Capacitors o Flow-Through Pinout MAX3209E Pin Configuration TOP VIEW R5OUT R4OUT R3OUT 1 2 3 4 5 6 7 8 9 38 R5IN 37 R4IN 36 R3IN 35 R2IN 34 R1IN Orde...


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