SRC0 datasheet(41/48 Pages) STMICROELECTRONICS

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SRC0

DC and AC characteristics

VOH

(5)

Output high voltage

VCC = 2 V, ISOURCE = 1 mA,

enable asserted

VCC –

0.3

tEN_OFF

(6)

enable off to enable on

VCC 2.0V40

EN, EN leakage current

VEN = 2 V, enable open drain

–0.1

+0.1

µA

RST

VOL

Output low voltage

VCC = 2 V, ISINK = 1 mA,

RST asserted

0.3

tREC

RST pulse width

VCC 2.0V

240

360

480

RST leakage current

VRST = 3V

–0.1

+0.1

µA

INT

VOL

Output low voltage

VCC = 2 V, ISINK = 1 mA,

INT asserted

0.3

tINT_Min

Minimum INT pulse width

VCC 2.0V20

INT leakage current

VINT = 3 V

–0.1

+0.1

µA

VREF

1.5 V voltage reference

VCC = 3.6 V, load on VREF pin

100 k

 and mandatory 1 µF

capacitor, TA = 25 °C

1.485

–1%

1.5

1.515

+1%

Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 1.6 V to 5.5 V (except where noted).

Typical values are at TA = +25 °C.

This blanking time allows the processor to start up correctly (see Figure 7, 8, 9, 10, 11, 12).

The internal pull-up resistor connected to the SR input is optional.

Valid for push-pull only.

Minimum delay time between enable deassertion and enable reassertion, allowing the application to complete the power-

down properly. PB is ignored during this period.

Table 5. DC and AC characteristics (continued)

Symbol

Parameter

Test condition(1)

Min.

Typ.(2)

Max.

Unit

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