ADT7482ARMZ datasheet(4/24 Pages) AD

Part #	ADT7482ARMZ

Description	Dual Channel Temperature Sensor and Overtemperature Alarm

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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4 / 24 page

ADT7482

Rev. 0 | Page 4 of 24

TIMING SPECIFICATIONS

Table 2. SMBus Timing Specifications1

Parameter

Limit at TMIN, TMAX

Unit

Description

fSCLK

400

kHz max

tLOW

1.3

μs min

Clock low period, between 10% points.

tHIGH

0.6

μs min

Clock high period, between 90% points.

300

ns max

Clock/data rise time.

300

ns max

Clock/data fall time.

tSU; STA

600

ns min

Start condition setup time.

tHD; STA2

600

ns min

Start condition hold time.

tSU; DAT3

100

ns min

Data setup time.

tSU; STO4

600

ns min

Stop condition setup time.

tBUF

1.3

μs min

Bus free time between stop and start conditions.

1 Guaranteed by design, but not production tested.

2 Time from 10% of SDATA to 90% of SCLK.

3 Time for 10% or 90% of SDATA to 10% of SCLK.

4 Time for 90% of SCLK to 10% of SDATA.

SCLK

SDATA

tLOW

tHD;DAT

tHD;STA

tHIGH

tSU;DAT

STOP START

STOP

START

tSU;STA

tSU;STO

tHD;STA

tBUF

Figure 2. Serial Bus Timing

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