ST3241EB View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST3241EB

±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down

STMicroelectronics 

ST3241EB - ST3241EC

Electrical characteristics

Table 10.

Symbol

Receiver electrical characteristics

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

Parameter

Test conditions

Min. Typ. Max. Unit

VRIN

Receiver input voltage

operating range

VRIL RS-232 Input threshold low

VRIH RS-232 Input threshold high

VRIHYS Input hysteresis

RRIN Input resistance

TA = 25°C, VCC = 3.3V

TA = 25°C, VCC = 5.0V

TA = 25°C, VCC = 3.3V

TA = 25°C, VCC = 5.0V

TA = 25°C

-25

25

V

0.6 1.2

0.8 1.5

V

1.5 2.4

1.8 2.4

V

0.3

V

3

5

7

kΩ

Table 11.

Symbol

Timing characteristics

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

Parameter

Test Conditions

Min. Typ. Max. Unit

DR Maximum data rate

RL = 3kΩ, CL= 1000pF

one transmitter switching

250

kbps

tPHL

tPLH

Receiver propagation delay RIN to ROUT, 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

0.15

µs

100

ns

300

ns

6

30 V/µs

4

30 V/µs

7/15

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