MAX3245CWI datasheet(11/19 Pages) MAXIM

Part #	MAX3245CWI

Description	1muA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers

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Manufacturer	MAXIM [Maxim Integrated Products]

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By connecting FORCEON to INVALID, the MAX3224–

MAX3227/MAX3244/MAX3245 shut down when no valid

receiver level and no receiver or transmitter edge is

detected for 30sec, and wake up when a valid receiver

level or receiver or transmitter edge is detected.

By connecting FORCEON and FORCEOFF to INVALID,

the MAX3224–MAX3227/MAX3244/MAX3245 shutdown

when no valid receiver level is detected and wake up

when a valid receiver level is detected (same function-

ality as AutoShutdown feature on MAX3221/MAX3223/

MAX3243).

A mouse or other system with AutoShutdown Plus may

need time to wake up. Figure 5 shows a circuit that

forces the transmitters on for 100ms, allowing enough

time for the other system to realize that the MAX3244/

MAX3245 is awake. If the other system outputs valid

RS-232 signal transitions within that time, the RS-232

ports on both systems remain enabled.

1µA Supply Current, 1Mbps, 3.0V to 5.5V,

RS-232 Transceivers with AutoShutdown Plus

VCC

0

V+

V-

VCC

0

INVALID

OUTPUT

TRANSMITTER

INPUTS

RECEIVER

INPUTS

}

INVALID

REGION

*MAX3224–MAX3227

TRANSMITTER

OUTPUTS

*VCC

tAUTOSHDN

tWU

tINVL

tINVH

tAUTOSHDN

Figure 4b. AutoShutdown Plus, INVALID, and READY Timing Diagram

FORCEON

MASTER SHDN LINE

0.1

μF1MΩ

FORCEOFF

MAX3224

MAX3225

MAX3226

MAX3227

MAX3244

MAX3245

POWER-

MANAGEMENT

UNIT

Figure 5. AutoShutdown Plus Initial Turn-On to Wake Up a

Mouse or Another System

Maxim Integrated

11

MAX3224–MAX3227/MAX3244/MAX3245

Similar Part No. - MAX3245CWI

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX3245CWI	211Kb / 20P	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus

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Similar Description - MAX3245CWI

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX3245EEAI	958Kb / 21P	15,-15kV ESD-Protected, 1muA, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers Rev 10; 3/11
	MAX3224	235Kb / 20P	1uA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus Rev 1; 3/98
	MAX3224	430Kb / 19P	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus Rev 5; 2/11
	MAX3224	211Kb / 20P	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus
	MAX3224	251Kb / 19P	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus Rev 5; 2/11
Exar Corporation	SP3224E	4Mb / 23P	3.0V to 5.5V RS-232 Transceivers
Maxim Integrated Produc...	MAX3225EEUP	958Kb / 21P	15kV ESD-Protected, 1uA, 1Mbps, 3.0V to 5.5V RS-232 Transceivers Rev 10; 3/11
	MAX3221EEUE	1Mb / 19P	15,-15kV ESD-Protected, 1muA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers Rev 7; 8/11
	MAX3222	1Mb / 17P	3.0V to 5.5V, Low-Power, Up to 1Mbps, True RS-232 Transceivers 19-0273; Rev 10; 5/19
Sipex Corporation	SP3223B	180Kb / 24P	Intelligent 3.0V to 5.5V RS-232 Transceivers

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MAX3245CWI Datasheet(PDF) 11 Page - Maxim Integrated Products

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Similar Description - MAX3245CWI

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