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ACT8740

Six Channel Integrated Power Management IC for Handheld Portable Equipment

Active-Semi, Inc 

ACT8740

Rev PrB, 25-Feb-08

SYSTEM MANAGEMENT

I2C INTERFACE ELECTRICAL CHARACTERISTICS

(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)

PARAMETER

SCL, SDA Low Input Voltage

SCL, SDA High Input Voltage

SCL, SDA Leakage Current

SDA Low Output Voltage

SCL Clock Period, tSCL

SDA Data In Setup Time to SCL High, tSU

SDA Data Out Hold Time after SCL Low, tHD

SDA Data Low Setup Time to SCL Low, tST

SDA Data High Hold Time after Clock High, tHP

TEST CONDITIONS

IOL = 5mA

fSCL clock freq = 400kHz

Start Condition

Stop Condition

MIN

1.4

2.5

100

300

100

100

TYP

MAX

0.4

1

0.3

UNIT

V

V

µA

V

µs

ns

ns

ns

ns

Figure 1:

I2C Serial Bus Timing

tSCL

SCL

tST

tSU

tSP

SDA IN

tHD

SDA OUT

Innovative Products. Active Solutions.

ActivePMUTM is a trademark of Active-Semi.

I2CTM is a trademark of Philips Electronics.

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Copyright © 2008 Active-Semi, Inc.

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