fma1127da Fujitsu Microelectronics, Inc., fma1127da Datasheet - Page 9

• Manufacturer Part Number: fma1127da
• Description: Touch Sensor Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

Communication Specifications for I
Table 1: DC Electrical Specifications for I
Note:
1. Devices that use non-standard supply voltages which do not conform to the intended I
2. Maximum V
3. C
4. The maximum t
5. I/O pins of Fast-mode devices must not obstruct the SDA and SCL lines if V
6. VIH = 1.21V, VIL = 0.76V. Hence Hysteresis is about 0.45V at the condition of 500kHz input frequncey. Input Impedance C
n/a = not applicable.
the pull-up resistors R
series protection resistors (R
specified for t
b
Symbol
(6)
(6)
= capacitance of one bus line in pF.
V
V
V
Iol
t
V
V
t
C
hys
sp
I
of
IH
IL
OL1
OL3
i
i
IH
f
.
= V
f
for the SDA and SCL bus lines quoted in Table 2 (300ns) is longer than the specified maximum t
LOW Level Input Voltage:
HIGH Level Input Voltage:
Hysteresis of Schmitt Trigger Inputs:
LOW Level Output Voltage (open drain or collector)
at 3mA Sink Current:
Digital Output Low Current at
Output Fall Time from V
Capacitance from 10pF to 400pF
Pulse Width of Spike Which Must be Suppressed by
the Input Filter
Input Current each I/O Pin with an Input Voltage
Between 0.1V
Capacitance for Each I/O Pin
DDmax
Vol = 0.6V
Vol = 0.4V
Fixed Input Levels
V
Fixed Input Levels
V
V
V
V
V
p
DD
DD
DD
DD
DD
DD
are connected.
+ 0.5V.
Related Input Levels
Related Input Levels
> 2V
< 2V
> 2V
< 2V
S
) to be connected between the SDA/SCL pins and the SDA/SCL bus lines as shown in Figure 6 without exceeding the maximum
DD
and 0.9V V
Parameter
IHmin
DDmax
to V
ILmax
2
C Bus
with a Bus
DD
0.7 x V
0.7 x V
is switched off.
Min.
-0.5
-0.5
-10
3.0
3.0
n/a
n/a
0
Standard-Mode
2
DD
DD
2
C
C bus system levels must relate their input levels to the V
0.3 V
250
Max.
1.5
0.4
n/a
8.4
5.7
n/a
10
10
(2)
(2)
(2)
(2)
(4)
DD
20 + 0.1Cb
of
0.7 x V
0.7 x V
for the output stages (250ns). The allows
-10
Min.
-0.5
n/a
n/a
n/a
0
0
0
(5)
DD
DD
in
Fast-Mode
(3)
is about 2pF.
FMA1127DA
Fujitsu Microelectronics America, Inc.
0.3 x V
0.2 x V
10
Max
n/a
n/a
n/a
0.4
8.4
5.7
50
10
(2)
(2)
(5)
DD (1)
DD
DD
voltage to which
Unit
mA
mA
μA
ns
ns
pF
V
V
V
V
V
V
V
V
7