ak4183 AKM Semiconductor, Inc., ak4183 Datasheet - Page 5

• Manufacturer Part Number: ak4183
• Description: I 2 C Touch Screen Controller
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Ta = -40 to 85°C, VCC = 2.5V to 3.6V
Parameter
Input Leakage Current
Tri-state Leakage Current
Ta = -40 to 85°C, VCC = 2.5V to 3.6V
Parameter (I
SCL clock frequency
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first Clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Pulse Width of Spike Noise Suppressed
Capacitive load on bus
MS0500-E-00
“H” level input voltage
“L” level input voltage
“H” level output voltage (PENIRQN pin@ Iout = -250µA)
“L” level output voltage (PENIRQN pin @ Iout = 250µA)
SDA
SCL
Note 2: Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
2
C Timing)
Stop
All pins except for XP, YP, XN, YN pins
tBUF
Start
tHD:STA
(SDA pin @ Iout = 3mA)
By Input Filter
tLOW
XP, YP, XN, YN pins
tR
tHD:DAT
(Note 2)
DC Characteristics (Logic I/O)
Figure 1 AK4183 Timing Diagram
Switching Characteristics
tHIGH
tSU:DAT tSU:STA
tF
tHD:DAT
tHD:STA
tSU:DAT
tSU:STA
tSU:STO
Symbol
tHIGH
tLOW
fSCL
tBUF
tSP
Cb
tR
tF
5
Symbol
IOLK
VOH
VOL
IILK
VIH
VIL
Start
min
1.3
0.6
1.3
0.6
1.3
0.1
0.6
30
0.7xVCC
VCC-0.4
0
0
min.
-10
-10
-50
typ
typ.
tSP
-
-
tSU:STO
Stop
0.3xVCC
max
max.
400
400
0.3
0.3
VIH
VIL
VIH
VIL
50
0.4
10
10
50
2006/04
[AK4183]
Units
Units
kHz
µA
µA
µA
pF
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
V
V
V
V