L9959 datasheet(15/49 Pages) STMICROELECTRONICS

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L9959

Electrical specifications

Table 9. Power-on reset

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VDDRES

Reset active threshold

2.8

3.4

VDDPOR

Power-on reset threshold

3.3

VDDPORHYS Power-on reset hysteresis

600

tPOR

Power-on reset extension time -

Table 10. VDD monitoring

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VDD

VDD monitoring voltage range -

VDDPOR

-18

VDD_THL Under voltage threshold

VS = 0 V

4.2

4.5

VDD_THH Over voltage threshold

VS = 0 V

5.25

5.5

tFIL_OFF

Switch-off filtering time

Guaranteed by scan.

135

μs

tFIL_ON

Switch-on filtering time

135

μs

VTEST_THL Under voltage test threshold

5.25

5.5

VTEST_THH Over voltage test threshold

4.2

4.4

VDD_MR

Full VDD supply range

-0.3

VDD_SLEW VDD slew

500

mV/μs

VDD_THX

Threshold (VDD_THH, VDD_THL)

shift during vs. inverse current

-0.1

0.1

VABE_INL /ABE input low-level

-0.3

1.65

VABE_INH /ABE input high-level

3.15

VABE_INHY

/ABE input hysteresis

0.2

1.0

IABE_IN

/ABE input pull-down current

0 V < VABE < 1.5 V

μA

VABE = 2.1 V, 5 V, 18 V;

VS = 18 V; VDD = 5 V,

18 V

μA

VABE_OUTL /ABE output low voltage

2.5 V < VDD < VDD_THL;

IABE_OUTL < 2.5 mA

1.0

VABE_OUTL /ABE output low voltage

VDD_THH < VDD < 18V;

IABE_OUTL < 7.5 mA

1.2

VABE_OUTL

/ABE output passive low

voltage

1.2

IABE

IABE Change during vs. inverse

current

-100

100

μA

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