L9678P datasheet(170/203 Pages) STMICROELECTRONICS

170 / 203 page

Electrical characteristics

L9678P, L9678P-S

170/203

DocID029274 Rev 3

15.7

SPI interface

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

-40 °C

 Ta  +95 °C, VINGOOD1(max)  VIN  35 V, VDDx(min)  VDDx  VDDx(max)

VDDQ = VDD5 or VDD3V3.

Table 24. SPI DC specifications

N°

Symbol

Parameter

Condition

Min

Typ

Max

Unit

1VIH_CS

SPI_CS high level input

voltage

-2

2VIL_CS

SPI_CS low level input

voltage

0.8

3IPU_CS

SPI_CS pull up current

SPI_CS = 0V

-70

-45

-20

µA

4VIH_MOSI

MOSI high level input

voltage

-2

5VIL_MOSI

MOSI low level input

voltage

0.8

6IPD_MOSI

SPI_MOSI pull down

current

SPI_MOSI = VDDQ

µA

7VIH_SCK

SCK high level input

voltage

-2

8VIL_SCK

SCK low level input

voltage

0.8

9IPD_SCK

SPI_SCK pull down

current

SPI_SCK = VDDQ

µA

VOH_MISO

SPI_MISO high level

output voltage

ILOAD = -800µA

VDDQ

-0.5

VDDQ

VOL_MISO

SPI_MISO low level

output voltage

ILOAD = 2.0mA

0.4

VIH_MISO

SPI_MISO high level

input voltage

-2

VIL_MISO

SPI_MISO low level

input voltage

0.8

ILKG_MISO

SPI_MISO tri-state

leakage

SPI_MISO= VDDQ or 0V

-10

µA

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