ST207E_06 datasheet(6/17 Pages) STMICROELECTRONICS | ± 15kV ESD protected 5V RS-232 transceiver

6 page

Electrical characteristics

ST207E

6/17

Electrical characteristics

Table 3.

ESD Performance: transmitter outputs, receiver inputs

Symbol

Parameter

Test

Min.

Typ.

Max.

Unit

ESD

ESD Protection voltage

Human body model

± 15

ESD

ESD Protection voltage

IEC-1000-4-2 Contact discharge

± 8KV

Table 4.

Electrical characteristics

(C1 - C4 = 0.1µF, VCC = 5V ± 5%, TA = min. to max., unless otherwise specified. Typical

values are referred to TA = 25°C).

Symbol

Parameter

Test

Min.

Typ.

Max.

Unit

ISUPPLY

VCC Power supply current

No Load, TA = 25°C

Table 5.

Transmitter electrical characteristics

(C1 - C4 = 0.1µF, VCC = 5V ± 5%, TA = min. to max., unless otherwise specified. Typical

values are referred to TA = 25°C).

Symbol

Parameter

Test

Min.

Typ.

Max.

Unit

VTOUT

Output voltage swing

All Driver loaded with 3K

Ω to GND

± 5

± 8.5

ROUT

Transmitter output resistance

VCC = V+ = V- = 0V VOUT = ± 2V

300

Ω

ISC

Output short circuit current

± 18

± 60

IIL

Input pull-up current

TIN = 0V

200

µA

VTIL

Input logic threshold low

0.8

VTIH

Input logic threshold high

Table 6.

Receiver electrical characteristics

(C1 - C4 = 0.1µF, VCC = 5V ± 5%, TA = min. to max., unless otherwise specified. Typical

values are referred to TA = 25°C).

Symbol

Parameter

Test

Min.

Typ.

Max.

Unit

VRIN

Receiver input voltage

operating range

-30

VRIL

Input threshold low

TA = 25°C VCC = 5V

0.8

1.2

VRIH

Input threshold high

TA = 25°C VCC = 5V

1.7

2.4

VRIHYS

Input hysteresis

VCC = 5V, no hysteresis in shutdown

0.2

0.5

RRIN

Input resistance

TA = 25°C VCC = 5V

Ω

VOL

Output voltage low

0.4

VOH

Output voltage high

IOUT = -1mA

3.5

VCC-0.4

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