ST3241EB_10 datasheet(7/13 Pages) STMICROELECTRONICS

No de pièce	ST3241EB

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

PDF	13 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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7 / 13 page

ST3241EB - ST3241EC

Electrical characteristics

Doc ID 9066 Rev 5

7/13

Table 10.

Receiver electrical characteristics

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

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VRIN

Receiver input voltage

operating range

–25

VRIL

RS-232 Input threshold low

TA = 25 °C, VCC = 3.3 V

TA = 25 °C, VCC = 5.0 V

0.6

0.8

1.2

1.5

VRIH

RS-232 Input threshold high

TA = 25 °C, VCC = 3.3 V

TA = 25 °C, VCC = 5.0 V

1.5

1.8

2.4

VRIHYS

Input hysteresis

0.3

RRIN

Input resistance

TA = 25 °C

Table 11.

Timing characteristics

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

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Maximum data rate

RL = 3 kΩ, CL= 1000 pF

one transmitter switching

250

kbps

tPHL

tPLH

Receiver propagation delay RIN to ROUT, CL = 150 pF

0.15

µs

tT_SKEW Transmitter skew

100

tR_SKEW Receiver skew

300

SRT

Transition slew rate

TA = 25 °C, RL = 3 k to 7 kΩ, VCC = 3.3 V

measured from +3 V to –3 V or –3 V to +3 V

CL = 150 pF to 1000 pF

CL = 150 pF to 2500 pF

V/µs

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