SPSB100 datasheet(104/213 Pages) STMICROELECTRONICS

104 / 213 page

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Timer period

T1_PER = 010

41.6

62.5

Timer period

T1_PER = 011

100

125

Timer period

T1_PER = 100

166

200

250

Timer period

T1_PER = 101

416

500

625

Timer period

T1_PER = 110

830

1000

1250

Timer period

T1_PER = 110

1660

2000

2500

7.21

Reset output (NRST)

The voltages are referred to GND and currents are assumed positive, when the current flows into the pin.

3.0 V ≤ VIO ≤ 5.5 V, Tj = -40 °C to 150 °C, unless otherwise specified.

Table 47. Reset output

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VNRST_L

Output low level

INRST = +4 mA

0.5

INRST_LK

Leakage current

VNRST = 20.0 V

VIO = 3.3 V

100

µA

INRST_LK_5V

Leakage current when NRST is disabled

VNRST = 5.0 V

VIO = 5.0 V

µA

RNRST_PU

NRST internal pull-up resistor for echo

VNRST = 1.0 V

kΩ

tNRST_rt(1)

Reset reaction time

µs

tNRST_WDR(1)

Low pulse duration time

In case of WD error

3.2

tNRST_FCCU(1)

Low pulse duration time

In case of FCCU error

4.8

tNRST_ECHO_FILT(1)

NRST echo error filter time

100

150

µs

1. Guaranteed by scan.

7.22

VREG voltage regulator

The voltages are referred to GND and currents are assumed positive, when the current flows into the pin.

7.5 V ≤ VFBB ≤ 29 V, Tj = -40 °C to 150 °C, unless otherwise specified.

Table 48. VREG

Symbol

Parameter

Condition

Min Typ Max Unit

VVREG

Output voltage

In active-Full power

VFBB ≥ 7.5 V

Iload = 150 mA

3.2

3.3

3.4

VVREG_LP

Output voltage

In active-Low power

VFBB ≥ 7.5 V

Iload = 15 mA

3.2

3.3

3.4

VVREG_OV

Overvoltage threshold for VREG

3.45

3.6

3.8

VVREG_OV_LP Overvoltage threshold for VREG in LP

3.45

3.6

3.8

tVREG_OV(1)

VREG overvoltage filter time

μs

VVREG_UV

Under voltage threshold for VREG

2.7

2.85 3.05

VVREG_UV_LP Undervoltage threshold for VREG in LP

2.7

2.85

SPSB100

Electrical characteristics

DS14640 - Rev 2

page 104/213

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