TTP258
TonTouchTM
Preliminary
DC & AC Characteristics
§ DC Characteristics: (Test condition at room temperature=25oC)
Parameter
Symbol
Test Condition
Min. Typ. Max. Unit
LDO on；LVR on
3.1
3.1
2.5
2.2
2.0
2.4
-
-
5.5
5.5
5.5
5.5
2.4
3.0
LDO on；LVR off
LDO off；LVR on
LDO off；LVR off
LVR select 2.2V
LDO select 2.7V
Operating Voltage
VDD
V
-
-
Low Voltage Reset (LVR)
LDO Voltage
VLVR1
VLDO1
2.2
2.7
V
V
Ind1
VDD=5.0V, no load, FOSCH=4MHz,
-
2.5
3.0
mA
Operating Current
(Normal Mode, CPU working,
I/O no load )
VDD=5.0V, no load, FOSCL on, FOSCH off,
LVR off, LDO off
Ind2
Isd1
Isd2
-
-
-
30
0.7
5
50
1.0
10
uA
mA
uA
VDD=5.0V, no load, FOSCH=4MHz,
Operating Current
(Sleep Mode, CPU stop,
I/O no load)
VDD=3.0V, no load, FOSCL on, FOSCH off,
LVR off, LDO off
LVR Current
LDO Current
Input Ports
Input Ports
RSTB & INT
RSTB & INT
ILVR
ILDO
VIL
VDD=5.0V
-
-
55
-
uA
VDD=5.0V
100
-
uA
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
0
-
-
-
-
0.2
1.0
0.3
1.0
VDD
VDD
VDD
VDD
VIH
VIL
0.8
0
VIH
0.7
PA0 Sink Current
IOL
IOH
VDD=5.0V, VOL=0.6V
-
-
2
-
-
mA
mA
PA0 Source Current
VDD=5V, VOH=VDD-0.7V
-1
Output port Sink Current
(exclude PA0)
IOL
VDD=5.0V, VOL=0.6V
-
-
8
-
-
mA
mA
Output Port Source Current
(exclude PA0)
IOH
VDD=5V, VOH=VDD-0.7V
-4
I/O Port Pull-up Resistor
RSTB Pull-up Resistor
Band gap Voltage
RPH
RPH
VDD=5.0V
VDD=5.0V
100
30
150
50
200
80
KΩ
KΩ
V
VBGAP
1.0
1.12 1.23
16’/04/06
Page 7 of 44
Ver.: 1.2
TTELEC [ TT Electronics ]
