L9960 datasheet(81/95 Pages) STMICROELECTRONICS

81 / 95 page

DS11115 Rev 10

81/95

L9960, L9960T

Functional description

4.9.8

Electrical characteristics

The component guarantees the functionality of the SPI interface for a VDD5 voltage down to

Vpor (Max frequency define in parameter fSCLK).

4.5 < VDD5 < 5.5 V; 3.0 < VDDIO < 5.5 V unless otherwise noted.

Positive current is flowing into pin.

Table 96. Electrical characteristics serial data output

symbol

Parameters

Conditions

Min.

Max.

Value

VSDOH

High output level (ISDO = -2 mA)

Back to back structure

used

VDDIO -0.4V

VSDOL

Low output level (ISDO = 3.2 mA) -

0.4

ISDOL

Tri state leakage current

(NCS = HIGH)

VDDIO = 5 V

VDDIO = 19 V

For 0 < SDO < VDDIO

(-40 °C ≤ Tj ≤ 25 °C)

-5

µA

VDDIO = 5 V

VDDIO = 19 V

For 0 < SDO < VDDIO

(25 °C > Tj ≤ 150 °C)

-5

µA

VOV_SDO

Over voltage detection threshold

at SDO output

Prevent output from

damage; avoid back

supply to VDDIO

VDDIO+0.05 VDDIO+0.2

tOFF_PROT

Turn-off delay for over voltage

reverse supply protection

direct control of back to

back in HS path;

VDDIO+1V; Measure at

0.5*Ipeak

01.5

µs

VSDO

Voltage range w/o damage

SDO driven High or Low

No damage of the part in

short-circuit condition

-0.3

Inputs NCS; SCLK; SDI

VINL

Low input level

-0.3

0.75

VINH

High input level

1.75

VDD5+0.3

Vhyst

Hysteresis

0.1

IIN

Input current for NCS; SCLK; SDI

(Vin= VDD5)

--50

µA

IIN,pu

Input pull up current source for

NCS; SCLK; SDI (VDD5

 VPOR)

& (VIN < 2.5V)

Pull-up circuit protected

against supply back

feeding injection

-30

-100

µA

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