L9679P datasheet(231/279 Pages) STMICROELECTRONICS

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DS11627 Rev 7

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L9679P

Electrical characteristics

278

18.6

Reset

All electrical characteristics are valid for the following conditions unless otherwise noted:

-40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V, VCCx(min)  VCCx  VCCx(max),

VCC = 3.3 V or 5 V

18.7

SPI interface

All electrical characteristics are valid for both Global and Remote Sensor SPI and for the

following conditions unless otherwise noted:

-40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V, VCCx(min)  VCCx  VCCx(max),

VCC = 3.3 V or 5 V

Table 32. Reset DC specifications

Symbol

Parameter

Comment

Min

Typ Max Unit

VOH_RESET

RESET output voltage

ILOAD = -1. mA

VCC-0.4

VCC

VOL_RESET

ILOAD = 2.0 mA

0.4

RPD_RESET RESET pull down resistance

100

135

kΩ

Table 33. Reset AC specifications

Symbol

Parameter

Comment

Min Typ Max Unit

TRISE_RESET Rise time

50 pF load, 20%-80%

1.00

µs

TFALL_RESET Fall time

1.00

µs

THOLD_RESET Reset hold time

0.45 0.5 0.55 ms

Table 34. Global and remote sensor SPI DC specifications

Symbol

Parameter

Comment

Min Typ Max Unit

VIH_CS_G

VIH_CS_RS

CS_x High level Input

Voltage

VIL_CS_G

VIL_CS_RS

CS_x Low level Input

Voltage

0.8

IPU_CS_G

IPU_CS_RS

CS_x Pull Up Current

CS_x = 0V

-70

-45

-20

µA

VIH_MOSI_G

VIH_MOSI_RS

MOSI_x High level Input

Voltage

VIL_MOSI_G

VIL_MOSI_RS

MOSI_x Low level Input

Voltage

0.8

IPD_MOSI_G

IPD_MOSI_RS

MOSI_x Pull Down Current

MOSI_x = VCC

µA

VIH_SCLK_G

VIH_SCLK_RS

SCLK_x High level Input

Voltage

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