ST3241E Ver la hoja de datos (PDF) - STMicroelectronics

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ST3241E

±15KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN

STMicroelectronics 

ST3241E

RECEIVER ELECTRICAL CHARACTERISTICS

(C1 - C4 = 0.1µF, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified.

Typical values are referred to TA = 25°C)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VRIN

VRIL

Receiver Input Voltage

Operating Range

RS-232 Input Threshold

Low

VRIH RS-232 Input Threshold

High

VRIHYS Input Hysteresis

RRIN Input Resistance

TA = 25°C

TA = 25°C

TA = 25°C

TA = 25°C

VCC = 3.3V

VCC = 5.0V

VCC = 3.3V

VCC = 5.0V

TA = 25°C

-25

25

V

0.6

1.2

V

0.8

1.5

1.5

2.4

V

1.8

2.4

0.3

V

3

5

7

KΩ

TIMING CHARACTERISTICS

(C1 - C4 = 0.1µF, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified.

Typical values are referred to TA = 25°C)

Symbol

Parameter

Test Conditions

DR Maximum Data Rate

RL = 3KΩ CL= 1000pF

one trasmitter switching

tPHL Receiver Propagation Delay RIN to ROUT

tPLH

CL = 150pF

tT_SKEW Transmitter Skew

tR_SKEW Receiver Skew

SRT Transition Slew Rate

TA = 25°C RL = 3K to 7KΩ VCC = 3.3V

measured from +3V to -3V or -3V to +3V

CL = 150pF to 1000pF

CL = 150pF to 2500pF

Min.

250

6

4

Typ.

0.15

100

300

Max.

30

30

Unit

Kbps

µs

ns

ns

V/µs

V/µs

5/10

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