ACT2823

REV 1, 01-DEC-2016

is a trademark of Active-Semi.

8

LED Indication

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

LED1-4 Indication Level Setting

5.5

8.8

V

LED1-4 Sink Current

3

mA

LED1-4 Scan Interval

For each LED pattern before lighting LEDs

0.5

s

I2C Interface

SCL, SDA Input Low

VIN = 5V

0.4

V

SCL, SDA Input High

VIN = 5V

1.25

V

SDA Leakage Current

SDA=5V

1

µA

SDA Output Low

IOL = 5mA

0.35

V

SCL Clock Frequency, fSCL

0

1000

kHz

SCL Low Period, tLOW

0.5

µs

SCL High Period, tHIGH

0.26

µs

SDA Data Setup Time, tSU

50

ns

SDA Data Hold Time, tHD

(Note1)

0

ns

Start Setup Time, tST

For Start Condition

260

ns

Stop Setup Time, tSP

For Stop Condition

260

ns

Capacitance on SCL or SDA Pin

10

pF

SDA Fall Time SDA, Tof

Device requirement

120

ns

Rise Time of both SDA and SCL, tr

See Note: 3

120

ns

Fall Time of both SDA and SCL, tf

See Note: 3

120

ns

Pulse Width of spikes must be suppressed on SCL

and SDA

0

50

ns

Note2: This is an I2C system specification only. Rise and fall time of SCL & SDA not controlled by the device.

Note2: Device Address is 7’h5A

Figure 2: I2C Data Transfer

SDA

SCL

Start

condition

Stop

condition