ST3237EBPR datasheet(6/18 Pages) STMICROELECTRONICS

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Electrical characteristics

ST3237EB

6/18

Electrical characteristics

Table 5.

Electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless

otherwise specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ISUPPLY

VCC power supply current SHDN=VCC, No Load

0.3

ISHDN

Shutdown supply current

SHDN=GND, VT_IN=GND or VCC

µA

Table 6.

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

specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VTIL

Input logic threshold low

(1)

T-IN, VHSCI, EN, SHDN

0.8

VTIH

Input logic threshold high

T-IN, VHSCI, EN, SHDN

VCC = 3.3V

VCC = 5V

2.4

IIL

Input leakage current

T-IN, VHSCI, EN, SHDN

± 1.0

µA

VHYS

Transmitter input

hysteresis

0.25

Transmitter input hysteresis is typically 250 mV

Table 7.

Transmitter (C1 - C4 = 0.1 µF tested at 3.3 V ± 10 %, VCC = 3 V to 5.5 V, TA = -40 to 85 °C,

unless otherwise specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VTOUT

Output voltage swing

All transmitter outputs are loaded with

Ω to GND

± 5

± 5.4

RTOUT

Transmitter output

resistance

VCC = 0V, VOUT = ± 2V

300

10M

ISC

Output short circuit current

± 60

ITOL

Output leakage current

VCC = 0V or 3.3V to 5.5V

VOUT = ± 12V

Transmitters disable

± 25

µA

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