Microchip Technology ADM00317 Data Sheet
MCP4706/4716/4726
DS22272C-page 8
© 2011-2012 Microchip Technology Inc.
FIGURE 1-3:
I
2
C Bus Start/Stop Bits Timing Waveforms.
TABLE 1-2:
I
2
C BUS START/STOP BITS REQUIREMENTS
I
2
C™ AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
Operating Temperature
-40
°C ≤ T
A
≤ +125°C (Extended)
Operating Voltage V
DD
range is described in
Param.
No.
Symbol
Characteristic
Min
Max
Units
Conditions
F
SCL
SCL pin Frequency
Standard mode
0
100
kHz
C
b
= 400 pF, 2.7V - 5.5V
Fast mode
0
400
kHz
C
b
= 400 pF, 2.7V - 5.5V
High-Speed 1.7
0
1.7
MHz
C
b
= 400 pF, 4.5V - 5.5V
High-Speed 3.4
0
3.4
MHz
C
b
= 100 pF, 4.5V - 5.5V
D102
C
b
Bus capacitive
loading
loading
100 kHz mode
—
400
pF
400 kHz mode
—
400
pF
1.7 MHz mode
—
400
pF
3.4 MHz mode
—
100
pF
90
T
SU
:
STA
Start condition
100 kHz mode
4700
—
ns
Only relevant for repeated
Start condition
Start condition
Setup time
400 kHz mode
600
—
ns
1.7 MHz mode
160
—
ns
3.4 MHz mode
160
—
ns
91
T
HD
:
STA
Start condition
100 kHz mode
4000
—
ns
After this period, the first
clock pulse is generated
clock pulse is generated
Hold time
400 kHz mode
600
—
ns
1.7 MHz mode
160
—
ns
3.4 MHz mode
160
—
ns
92
T
SU
:
STO
Stop condition
100 kHz mode
4000
—
ns
Setup time
400 kHz mode
600
—
ns
1.7 MHz mode
160
—
ns
3.4 MHz mode
160
—
ns
93
T
HD
:
STO
Stop condition
100 kHz mode
4000
—
ns
Hold time
400 kHz mode
600
—
ns
1.7 MHz mode
160
—
ns
3.4 MHz mode
160
—
ns
94
T
HVCSU
HVC to SCL Setup time
25
—
uS
High Voltage Commands
95
T
HVCHD
SCL to HVC Hold time
25
—
uS
High Voltage Commands
91
93
SCL
SDA
Start
Condition
Stop
Condition
90
92
V
IH
111
V
IL