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MAX3221E

Maxim
Part Number MAX3221E
Manufacturer Maxim
Description RS-232 Transceivers
Published Jun 13, 2005
Detailed Description MAX3221E/ AVAILABLE MAX3223E/MAX3243E ±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoS...
Datasheet PDF File MAX3221E PDF File

MAX3221E
MAX3221E

Overview
MAX3221E/ AVAILABLE MAX3223E/MAX3243E ±15kV ESD-Protected, 1µA, 3.
0V to 5.
5V, 250kbps, RS-232 Transceivers with AutoShutdown General Description Next Generation Device Features The MAX3221E/MAX3223E/MAX3243E are 3V-powered EIA/TIA-232 and V.
28/V.
24 communications interfaces with automatic shutdown/wakeup features, high datarate capabilities, and enhanced electrostatic discharge (ESD) protection.
All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 AirGap Discharge, to ±8kV using IEC 1000-4-2 Contact Discharge, and to ±15kV using the Human Body Model.
The MAX3221E/MAX3223E/MAX3243E achieve a 1µA supply current with Maxim’s revolutionary AutoShutdown™ feature.
They save power without changes to the existing BIOS or operating system by entering low-power shutdown mode when the RS-232 cable is disconnected, or when the transmitters of the connected peripherals are off.
The transceivers have a proprietary low-dropout transmitter output stage, delivering true RS-232 performance from a +3.
0V to +5.
5V supply with a dual charge pump.
The charge pump requires only four small 0.
1µF capacitors for operation from a +3.
3V supply.
Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels.
The MAX3221E contains just one driver and one receiver, making it the smallest single-supply RS-232 transceiver.
The MAX3223E has two drivers and two receivers.
The MAX3243E is a complete 3-driver/5-receiver serial port ideal for notebook or subnotebook computers.
It also includes two noninverting receiver outputs that are always active, allowing forward biasing tehxeteprnroaFtledcuteinovniccedtsioiotdoenbs eainlmcoDirnciiutaoitrrgeydtrhawatimthmoasuyt be powered down.
The MAX3221E, MAX3223E, and MAX3243E are available in space-saving TQFN, SSOP, and TSSOP packages.
Applications Notebook, Subnotebook, and Palmtop Computers Cellular Phones Battery-Powered Equipment Handheld Equipment Peripherals Printers o ...


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