L9396 datasheet(102/109 Pages) STMICROELECTRONICS

102 / 109 page

Serial Peripheral Communication

L9396

102/109

DS12539 Rev 10

8.4

SPI parameters

8.4.1

DC Electrical Parameters

The SPI interface is composed of:

•

Supply: VCC

•

Inputs: SCLK, SDI, CS

•

Output: SDO

-40 °C ≤ Tj ≤ 175 °C unless otherwise specified.

Table 61. DC electrical characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VCC

SPI Dedicated Power Supply

Application note

3.0

5.5

VIL

PRN Logic Input Low Voltage

0.75

VIH

PRN Logic Input High Voltage

1.75

Vhysteresis PRN Input hysteresis Voltage

0.1

PRNPD

PRN pull-down

PRN= 3.3V

100

µA

VIL

SCLK Logic Input Low Voltage

0.75

VIH

SCLK Logic Input High Voltage

1.75

Vhysteresis SCLK Input hysteresis Voltage

0.1

SCLKPD

SCLK pull-down

SCLK = 3.3V

100

µA

VIL

SDI Logic Input Low Voltage

0.75

VIH

SDI Logic Input High Voltage

1.75

Vhysteresis SDI Input hysteresis Voltage

0.1

SDIPU

SDI pull-up

SDI = 0V

-100

-10

µA

VIL

CS Logic Input Low Voltage

0.75

VIH

CS Logic Input High Voltage

1.75

Vhysteresis CS Input hysteresis Voltage

0.1

CSPU

CS pull-up to internal logic

supply

CS = 0V

-100

-10

µA

VOL

SDO Logic Output Low Voltage Isource = 1mA

0.4

VOH

SDO Logic Output High

Voltage

Isink = 1mA

VCC-0.4

Ileak

SDO Tristate leakage current

CS high 0<SDO<VCC-

0.1V

-3

µA

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