SPSB100 datasheet(103/214 Pages) STMICROELECTRONICS

103 / 214 page

Symbol

Parameter

Condition

Min

Typ

Max

Unit

IIRQ_LK

Leakage current

VIRQ = 20 V

VIO = 3.3 V

100

μA

IIRQ_LK_5V

Leakage current when IRQ is disabled

VIRQ = 5.0 V

VIO = 5.0 V

μA

RIRQ_PU

IRQ internal pull-up resistor for echo

VIRQ = 1 V

kΩ

tIRQ_react(1)

Interrupt reaction time

µs

tIRQ_ECHO_FILT

IRQ echo error filter time

100

150

µs

1. Guaranteed by scan.

7.19

FIN1 input

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 45. FIN1 input

Symbol

Parameter

Condition

Min Typ

Max

Unit

VFIN1_L

Input voltage low threshold

1.0

VFIN1_H

Input voltage high threshold

2.3

VFIN1_HYS Input voltage hysteresis

0.2

RFIN1_PU

FIN1 pull-up resistor to VIO

VIO = 5.0 V

VFIN1 = 1.0 V

Defined by CR FCCU_STATIC_ERROR bit

kΩ

RFIN1_PD

FIN1 pull-down resistor to GND

VIO = 5.0 V

VFIN1 = 1.0 V

Defined by CR FCCU_STATIC_ERROR bit

kΩ

CFIN1(1)

FIN1 input capacitance

1. Guaranteed by design.

7.20

Timer

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

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

All timer timings are covered by scan.

Table 46. Timer values

Symbol

Parameter

Condition

Min

Typ

Max

Unit

tON1

Timer on time

T1_ENA = 000

(default value)

0.08

0.1

0.14

tON2

Timer on time

T1_ENA = 001

0.25

0.3

0.39

tON3

Timer on time

T1_ENA = 010

0.83

1.27

tON4

Timer on time

T1_ENA = 011

8.3

12.5

tON5

Timer on time

T1_ENA = 1xx

16.6

Timer period

T1_PER = 000

(default value)

8.3

12.5

Timer period

T1_PER = 001

16.6

SPSB100

Electrical characteristics

DS14640 - Rev 1

page 103/214

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