EM78P447N Datasheet, PDF (37/57 Pages) ELAN Microelectronics Corp – 8-BIT MICRO-CONTROLLER

EM78P447N
OTP ROM
6. DC ELECTRICAL CHARACTERISTICS
6.1 DC Electrical Characteristic
(Ta= 25 °C, VDD= 5.0V±5%, VSS= 0V )
Symbol
Parameter
Condition
Min Typ. Max Unit
FXT
XTAL: VDD to 3V
XTAL: VDD to 5V
Two cycle with two clocks
DC
Two cycle with two clocks
DC
8.0 MHz
20.0 MHz
ERC
ERC: VDD to 5V
R: 5.1KΩ, C: 100 pF
F±30% 950 F±30% KHz
IIL Input Leakage Current for input pins
VIN = VDD, VSS
±1
µA
VIH1 Input High Voltage (VDD=5V)
Ports 5, 6,7
2.0
V
VIL1 Input Low Voltage (VDD=5V)
Ports 5, 6,7
0.8
V
VIHT1
Input High Threshold Voltage
(VDD=5V)
/RESET, TCC,INT
2.0
V
VILT1
Input Low Threshold Voltage
(VDD=5V)
/RESET, TCC,INT
0.8
V
VIHX1 Clock Input High Voltage (VDD=5V)
OSCI
3.5
V
VILX1 Clock Input Low Voltage (VDD=5V)
OSCI
1.5
V
VIH2 Input High Voltage (VDD=3V)
Ports 5, 6,7
1.5
V
VIL2 Input Low Voltage (VDD=3V)
Ports 5, 6,7
0.4
V
VIHT2
Input High Threshold Voltage
(VDD=3V)
/RESET, TCC,INT
1.5
V
VILT2
Input Low Threshold Voltage
(VDD=3V)
/RESET, TCC,INT
0.4
V
VIHX2 Clock Input High Voltage (VDD=3V)
OSCI
2.1
V
VILX2 Clock Input Low Voltage (VDD=3V)
OSCI
0.9
V
VOH1
Output High Voltage
(Ports 5, 6, 7)
IOH = -10.0 mA
2.4
V
VOL1
Output Low Voltage
(Ports 5, 6)
IOL = 9.0 mA
0.4
V
VOL2
Output Low Voltage
(Port7)
IOL = 14.0 mA
0.4
V
IPH
Pull-high current
Pull-high active, input pin at VSS -50
-100 -240
µA
ISB1
Power down current
All input and I/O pins at VDD,
output pin floating, WDT disabled
1
µA
ISB2
Power down current
All input and I/O pins at VDD,
output pin floating, WDT enabled
7
µA
Operating supply current
/RESET= 'High', Fosc=32KHz
ICC1
(VDD=3V)
at two cycles/four clocks
(Crystal type,CLKS="0"), output
pin floating, WDT disabled
25
30
µA
Operating supply current
/RESET= 'High', Fosc=32KHz
ICC2
(VDD=3V)
at two cycles/four clocks
(Crystal type,CLKS="0"), output
pin floating, WDT enabled
30
35
µA
Operating supply current
/RESET= 'High', Fosc=4MHz
ICC3
(VDD=5V)
(Crystal type, CLKS="0"), output
1.6
2.2
mA
at two cycles/two clocks
pin floating, WDT enabled
Operating supply current
/RESET= 'High', Fosc=10MHz
ICC4
(VDD=5V)
at two cycles/four clocks
(Crystal type, CLKS="0"), output
pin floating, WDT enabled
2.8
5.0
mA
This specification is subject to change without prior notice.
37
10.21.2004 (V1.0)