2004 Microchip Technology Inc.
Advance Information
DS70119B-page 199
dsPIC30F6010
TABLE 24-34: I
2
C BUS DATA TIMING REQUIREMENTS (SLAVE MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(unless otherwise stated)
Operating temperature
-40°C
≤
T
A
≤
+85°C for Industrial
-40
°
C
≤
T
A
≤
+125°C for Extended
Param
No.
Symbol
Characteristic
Min
Max
Units
Conditions
IS10
T
LO
:
SCL
Clock Low Time
100 kHz mode
4.7
—
µ
s
Device must operate at a
minimum of 1.5 MHz
400 kHz mode
1.3
—
µ
s
Device must operate at a
minimum of 10 MHz.
1 MHz mode
(1)
0.5
—
µ
s
—
IS11
T
HI
:
SCL
Clock High Time
100 kHz mode
4.0
—
µ
s
Device must operate at a
minimum of 1.5 MHz
400 kHz mode
0.6
—
µ
s
Device must operate at a
minimum of 10 MHz
1 MHz mode
(1)
0.5
—
µ
s
—
IS20
T
F
:
SCL
SDA and SCL
Fall Time
100 kHz mode
—
300
ns
C
B
is specified to be from
10 to 400 pF
400 kHz mode
20 + 0.1 C
B
300
ns
1 MHz mode
(1)
—
100
ns
IS21
T
R
:
SCL
SDA and SCL
Rise Time
100 kHz mode
—
1000
ns
C
B
is specified to be from
10 to 400 pF
400 kHz mode
20 + 0.1 C
B
300
ns
1 MHz mode
(1)
—
300
ns
IS25
T
SU
:
DAT
Data Input
Setup Time
100 kHz mode
250
—
ns
—
400 kHz mode
100
—
ns
1 MHz mode
(1)
100
—
ns
IS26
T
HD
:
DAT
Data Input
Hold Time
100 kHz mode
0
—
ns
—
400 kHz mode
0
0.9
µ
s
1 MHz mode
(1)
0
0.3
µ
s
IS30
T
SU
:
STA
Start Condition
Setup Time
100 kHz mode
4.7
—
µ
s
Only relevant for repeated
Start condition
400 kHz mode
0.6
—
µ
s
1 MHz mode
(1)
0.25
—
µ
s
IS31
T
HD
:
STA
Start Condition
Hold Time
100 kHz mode
4.0
—
µ
s
After this period the first
clock pulse is generated
400 kHz mode
0.6
—
µ
s
1 MHz mode
(1)
0.25
—
µ
s
IS33
T
SU
:
STO
Stop Condition
Setup Time
100 kHz mode
4.7
—
µ
s
—
400 kHz mode
0.6
—
µ
s
1 MHz mode
(1)
0.6
—
µ
s
IS34
T
HD
:
STO
Stop Condition
100 kHz mode
4000
—
ns
—
Hold Time
400 kHz mode
600
—
ns
1 MHz mode
(1)
250
ns
IS40
T
AA
:
SCL
Output Valid From
Clock
100 kHz mode
0
3500
ns
—
400 kHz mode
0
1000
ns
1 MHz mode
(1)
0
350
ns
IS45
T
BF
:
SDA
Bus Free Time
100 kHz mode
4.7
—
µ
s
Time the bus must be free
before a new transmission
can start
400 kHz mode
1.3
—
µ
s
1 MHz mode
(1)
0.5
—
µ
s
IS50
C
B
Bus Capacitive
Loading
—
400
pF
—
Note 1:
Maximum pin capacitance = 10 pF for all I
2
C pins (for 1 MHz mode only).
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