ADE7933 datasheet(10/120 Pages) AD

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ADE7978/ADE7933/ADE7932

Data Sheet

Rev. 0 | Page 10 of 120

I2C Interface Timing Parameters

VDD = 3.3 V ± 10%, GND = DGND = 0 V, XTALIN = 16.384 MHz, TMIN to TMAX = −40°C to +85°C.

Table 3.

Standard Mode

Fast Mode

Parameter

Symbol

Min

Max

Min

Max

Unit

SCL Clock Frequency

fSCL

100

400

kHz

Hold Time for Start and Repeated Start Conditions

tHD;STA

4.0

0.6

μs

Low Period of SCL Clock

tLOW

4.7

1.3

µs

High Period of SCL Clock

tHIGH

4.0

0.6

µs

Set-Up Time for Repeated Start Condition

tSU;STA

4.7

0.6

µs

Data Hold Time

tHD;DAT

3.45

0.9

µs

Data Setup Time

tSU;DAT

250

100

Rise Time of SDA and SCL Signals

1000

300

Fall Time of SDA and SCL Signals

300

Setup Time for Stop Condition

tSU;STO

4.0

0.6

µs

Bus Free Time Between a Stop and Start Condition

tBUF

4.7

1.3

µs

Pulse Width of Suppressed Spikes

tSP

N/A1

N/A means not applicable.

tHD;DAT

tHD;STA

tHIGH

tSU;STA

tSU;DAT

tHD;STA

tSP

tSU;STO

tBUF

tLOW

SDA

SCL

START

CONDITION

REPEATED START

CONDITION

STOP

CONDITION

START

CONDITION

Figure 5. I2C Interface Timing

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