Holtek HT48RU80 Manual page 5

D.C. Characteristics
Symbol Parameter
V
Operating Voltage
DD
I
Operating Current (Crystal OSC)
DD1
I
Operating Current (RC OSC)
DD2
I
Operating Current (Crystal OSC, RC OSC)
DD3
I
Operating Current (Crystal OSC, RC OSC) 5V
DD4
I
Operating Current (Crystal OSC, RC OSC) 5V
DD5
I
Standby Current (WDTOSC On, RTC Off)
STB1
I
Standby Current (WDTOSC Off, RTC Off)
STB2
I
Standby Current (WDTOSC Off, RTC On)
STB3
V Input Low Voltage for I/O Ports
IL1
V
Input High Voltage for I/O Ports
IH1
V Input Low Voltage (RES)
IL2
V
Input High Voltage (RES)
IH2
V Low Voltage Reset
LVR
I
I/O Port Sink Current
OL
I
I/O Port Source Current
OH
R
Pull-high Resistance
PH
Rev. 1.10
HT48RU80/HT48CU80
Test Conditions
V Conditions
DD
¾ f
=4MHz
SYS
¾ f
=8MHz
SYS
3V No load, f
=4MHz,
SYS
UART disable
5V
3V No load, f
=4MHz,
SYS
UART disable
5V
3V No load, f
=4MHz,
SYS
UART On
5V
No load, f =8MHz,
SYS
UART Off
No load, f =8MHz,
SYS
UART On
3V
No load, system HALT
5V
3V
No load, system HALT
5V
3V
No load, system HALT
5V
¾ ¾
¾ ¾
¾ ¾
¾ ¾
¾ LVR enabled
3V V =0.1V
OL DD
5V V =0.1V
OL DD
3V V =0.9V
OH DD
5V V =0.9V
OH DD
3V
¾
5V
5
Ta=25°C
Min. Typ. Max. Unit
¾
2.2 5.5 V
¾
3.3 5.5 V
¾
0.6 1.5 mA
¾
2 4 mA
¾
0.8 1.5 mA
¾
2.5 4 mA
¾
1.5 3 mA
¾
3 6 mA
¾
3 5 mA
¾
5 10 mA
¾ ¾ mA
5
¾ ¾ mA
10
¾ ¾ mA
1
¾ ¾ mA
2
¾ ¾ mA
5
¾ ¾ mA
10
¾
0 0.3V V
DD
¾
0.7V V
V
DD DD
¾
0 0.4V V
DD
¾
0.9V V
V
DD DD
2.7 3.0 3.3 V
¾
4 8 mA
¾
10 20 mA
-2 -4 ¾
mA
-5 -10 ¾
mA
20 60 100 kW
10 30 50
kW
March 14, 2007