CXA2013M
I2C Bus Block Items (SDA, SCL)
No.
Item
Symbol Min. Typ. Max. Unit
1 High level input voltage
2 Low level input voltage
VIH
3.0 — 5.0
V
VIL
0
— 1.5
3 High level input current
4 Low level input current
IIH
—
—
10
µA
IIL
—
—
10
5 Low level output voltage SDA (Pin 8) during 3mA inflow VOL
0
—
0.4
V
6 Maximum inflow current
IOL
3
—
— mA
7 Input capacitance
CI
—
—
10
pF
8 Maximum clock frequency
fSCL
0
— 100 kHz
9 Minimum waiting time for data change
tBUF
4.7 —
—
10 Minimum waiting time for start of data transfer
tHD:STA 4.0
—
—
11 Low level clock pulse width
12 High level clock pulse width
tLOW
tHIGH
4.7 —
—
µs
4.0 —
—
13 Minimum waiting time for start preparation
tSU:STA 4.7
—
—
14 Minimum data hold time
tHD:DAT
0
—
—
15 Minimum data preparation time
tSU:DAT 250 —
—
ns
16 Rise time
tR
—
—
1
µs
17 Fall time
tF
—
— 300 ns
18 Minimum waiting time for stop preparation
tSU:STO 4.7
—
—
µs
I2C bus load conditions: Pull-up resistor 4kΩ (Connect to +5V)
Load capacitor 200pF (Connect to GND)
I2C Bus Control Signal
SDA
tBUF
tR
SCL
P
S tHD:STA tLOW
tF
tHD:DAT tHIGH
tSU:DAT
tHD:STA
tSU:STA
Sr
tSU:STO
P
– 18 –