EVAL-ADT7483EB Ver la hoja de datos (PDF) - ON Semiconductor

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EVAL-ADT7483EB

Dual Channel Temperature Sensor and Over Temperature Alarm

ON Semiconductor 

ADT7483A

SMBUS TIMING SPECIFICATIONS

Table 2.

Parameter1

Limit at TMIN, TMAX

fSCLK

400

tLOW

4.7

tHIGH

4

tR

1

tF

300

tSU; STA

tHD; STA2

t3

SU; DAT

tSU; STO4

4.7

4

250

4

tBUF

4.7

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.

Unit

kHz max

μs min

μs min

μs max

ns max

μs min

μs min

ns min

μs min

μs min

Description

Clock low period, between 10% points

Clock high period, between 90% points

Clock/data rise time

Clock/data fall time

Start condition setup time

Start condition hold time

Data setup time

Stop condition setup time

Bus free time between stop and start conditions

SCLK

SDATA

tBUF

STOP START

tLOW

tR

tHD;STA

tHD;DAT

tF

tHIGH

tSU;DAT

tHD;STA

tSU;STA

START

Figure 2. Serial Bus Timing

tSU;STO

STOP

Rev. 1 | Page 4 of 24 | www.onsemi.com

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