AS1181 datasheet(12/92 Pages) AMSOSRAM

12 / 92 page

AS1181

Electrical characteristics

Datasheet • PUBLIC • Document Feedback

DS001139 • v3-00 • 2026-Apr-01

12 / 92

Symbol

Parameter

Min

Typ

Max

Unit

Comment

IO parameters

VIL

Digital input low voltage

0.3x

VBUS

VIH

Digital input high voltage

0.7x

VBUS

1.98

VOL

Digital output low voltage

270

I3C mode; IOL = 3mA

VOH

Digital output high voltage

VDD-0.27

I3C mode; IOL = 3mA

fSCL_I2C

I²C maximum frequency

MHz

fSCL_I3C

I3C maximum frequency

12.5

MHz

PWM

inputs (3)

THIGH

Strobe/PWM high time

15000

µs

TLOW

Strobe/PWM low time

65+Tstagger

µs

*Tstagger - time needed to

perform all the staggering

for all groups, if staggering

is disabled equals to zero.

PPWM

PWM period

0.2

16.6

PWM1 and PWM2 shall

have the same period in

dual PWM input mode.

fPWM

PWM frequency

5000

Duty cycle

tskew

PWM1&2 input skew

µs

Maximum skew between

PWM1 and PWM2 input in

all modes.

(1) Error/current sink mismatch calculated with all channel currents averaged.

(2) Calibrated and measured on every device in final test (ATE). System measurement accuracy and solder shift are not

included. Accuracy defined on device level.

(3) Valid in external PWM mode for inputs STROBE1_PWM1 & ID2_PWM2

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