±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,

RS-232 Transceivers with AutoShutdown

14

______________________________________________________________________________________

Table 5. ±15kV ESD-Protected, 3.0V to 5.5V Powered RS-232 Transceivers from Maxim

___________________Chip Information

MAX3221E

TRANSISTOR COUNT: 269

MAX3223E

TRANSISTOR COUNT: 339

MAX3243E

TRANSISTOR COUNT: 476

PART

Supply

Voltage

Range

(V)

No.

of

Tx/Rx

Guaranteed

Data Rate

(kbps)

Supply

Current

(µA)

MAX3241E

+3.0 to +5.5

3/5

250

300

MAX3243E

+3.0 to +5.5

3/5

250

1

MAX3244E

+3.0 to +5.5

3/5

250

1

MAX3245E

+3.0 to +5.5

3/5

1Mbps

1

MAX3232E

+3.0 to +5.5

2/2

250

300

MAX3222E

+3.0 to +5.5

2/2

250

300

MAX3223E

+3.0 to +5.5

2/2

250

1

MAX3224E

+3.0 to +5.5

2/2

250

1

MAX3225E

+3.0 to +5.5

2/2

1Mbps

1

MAX3221E

+3.0 to +5.5

1/1

250

1

MAX3227E

+3.0 to +5.5

1/1

1Mbps

1

MAX3226E

+3.0 to +5.5

1/1

250

1

Auto-

Shutdown

Plus

—

—

Yes

Yes

—

—

—

Yes

Yes

—

Yes

Yes

Auto-

Shutdown

—

Yes

—

—

—

—

Yes

—

—

Yes

—

—

Human

Body

Model

(kV)

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

IEC 1000-4-2

Contact

Discharge

(kV)

±8

±8

±8

±8

±8

±8

±8

±8

±8

±8

±8

±8

IEC 1000-4-2

Air-Gap

Discharge

(kV)

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

Interconnection with 3V and 5V Logic

The MAX3221E/MAX3223E/MAX3243E can directly inter-

face with various 5V logic families, including ACT and

HCT CMOS. See Table 4 for more information on possi-

ble combinations of interconnections.