ADT7408CCPZ-REEL7 Ver la hoja de datos (PDF) - Analog Devices

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ADT7408CCPZ-REEL7

±2°C Accurate, 12-Bit Digital Temperature Sensor

Analog Devices 

ADT7408

TIMING CHARACTERISTICS

TA = −20°C to +125°C, VDD = 3.0 V to 3.6 V, unless otherwise noted.

Table 2.

Parameter1

SCL Clock Frequency

Bus Free Time Between a Stop (P) and Start (S) Condition

Hold Time After (Repeated) Start Condition

Symbol

fSCL

tBUF

tHD:STA

Min Typ Max

10

100

4.7

4.0

Repeated Start Condition Setup Time

High Period of the SCL Clock

Low Period of the SCL Clock

Fall Time of Both SDA and SCL Signals

Rise Time of Both SDA and SCL Signals

Data Setup Time

Data Hold Time

Setup Time for Stop Condition

Capacitive Load for Each Bus Line, CB

tSU:STA

4.7

tHIGH

4.0

tLOW

4.7

tF

tR

tSU:DAT

250

tHD:DAT

300

tSU:STO

4.0

1 Guaranteed by design and characterization, not production tested.

50

300

1000

400

Unit Comments

kHz

μs

μs After this period, the first clock

is generated.

μs

μs

μs

ns

ns

ns

ns

μs

pF

TIMING DIAGRAM

VIH

SCL

VIL

tHD:STA

VIH

SDA

tBUF

VIL

P

S

tR

tLOW

tR

tF

tHIGH

tHD:DAT

tF

tSU:DAT

tSU:STA

S

Figure 2. SMBus/I2C Timing Diagram

tSU:STO

P

Rev. 0 | Page 4 of 24

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