EM78P809N
8-Bit Microcontroller
6 Electrical Characteristics
6.1 DC Electrical Characteristics
(Ta= 25 °C, VDD= 5.0V ± 5%, VSS= 0V)
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
Fc
XTAL: 4.5V to VDD
Two cycles with two clocks
1
10
MHz
kHz
ERC ERC: VDD = 5V
Input High Threshold Voltage
R: 5.1KΩ, C: 100 pF
630
900
4
1170
VIHRC
OSCI in RC mode
2.8
15.5
1.3
12
4.5
28.5
2.7
22
V
(Schmitt trigger )
IRC1 Sink current
Input Low Threshold Voltage
VI from low to high , VI=5V
OSCI in RC mode
22
1.8
17
0
mA
V
VILRC
(Schmitt trigger )
IRC2 Sink current
VI from high to low , VI=2V
VIN = VDD, VSS
mA
µA
Input Leakage Current for input
pins
IIL
-1
1
Input High Voltage (Schmitt
trigger)
VIH1
VIL1
Ports 6,7,8,9
0.7VDD
-0.3V
VDD +0.3V
0.3 VDD
V
V
V
V
Input Low Voltage (Schmitt
trigger)
Ports 6,7,8,9,
Input High Threshold Voltage
(Schmitt trigger)
VIHT1
VILT1
/RESET, TCC, INT
/RESET, TCC, INT
0.7 VDD
-0.3V
VDD +0.3V
0.3 VDD
Input Low Threshold Voltage
(Schmitt trigger)
VIHX1 Clock Input High Voltage
VILX1 Clock Input Low Voltage
OSCI in crystal mode
OSCI in crystal mode
0.7VDD
-0.3V
VDD+0.3V
0.3VDD
V
V
Output High Voltage
IOH1
VOH = VDD-0.4V
VOL = VSS+0.4V
VOL = VSS+0.4V
-3.5
3
-5
5
-6.5
7
mA
mA
mA
(Ports 6, 7, 8, 9)
Output Low Voltage
(Port9)
IOL1
Output Low Voltage
IOL2
12
15
20
(Ports 6,Port7, Port8)
IPH Pull-high current
IPL Pull-Low current
Pull-high active, input pin at VSS
Pull-high active, input pin at VDD
-50
50
-75
75
-100
100
µA
uA
Sleep mode
ISB1
WDT
All input and I/O
disabled
0.8
6
1.5
10
µA
µA
Power down current
pins at VDD,
Sleep mode
ISB2
WDT
output pin floating
Power down current
enabled
Idle mode
ICC3 Operating supply current
at two clocks
1.1
3.0
1.5
3.5
mA
mA
VDD=5V, /RESET= 'High',
Fc=8MHz, CLKS="0", output pin
floating, WDT enabled
Normal mode
ICC4 Operating supply current
at two clocks
*The typical value is based on characterization results at 25°C
64 •
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
