EM78860
8-BIT MICRO-CONTROLLER
ABSOLUTE MAXIMUM RATINGS
Items
Sym.
Condition
Rating
Unit
Temperature under bias
Input voltage
VDD
VIN
TA
-0.3 to 6
- 0.5 to VDD+ 0.5
0 to 70
V
V
Operating temperature range
°C
DC ELECTRICAL CHARACTERISTICS
(TA= 0°C~70°C, VDD = 5V±5%; VSS = 0V)
Parameter
Sym.
IIL1
Condition
VIN = VDD, VSS
Min. Typ. Max. Unit
Input Leakage Current
for input pins
±1 µA
Input Leakage Current
for bi-directional pins
Input High Voltage
Input Low voltage
Input High Threshold
Voltage
IIL2
VIN = VDD, VSS
± 1 µA
VIH
VIL
VIHT
2.5
2.0
V
V
V
0.8
0.8
RESET, TCC, RDET1
RESET, TCC, RDET1
Input Low Threshold
Voltage
VILT
V
Clock Input High Voltage
Clock Input Low Voltage
Key scan Input High Voltage VHscan Port6 for key scan
Key scan Input Low Voltage VLscan Port6 for key scan
Output High Voltage
(port5,6,7,8)
(port9)
VIHX
VILX
OSCI
OSCI
3.5
3.5
2.4
2.4
V
V
V
V
V
1.5
1.5
VOH1
IOH = ±1.6 mA
IOH = ±6 mA
V
V
Output Low Voltage
(port5,6,7,8)
VOL1
IOL = ±1.6 mA
0.4
(port9)
I
OL = ±6 mA
0.4
2.9
3.8
V
V
V
Com Voltage drop
Segment Voltage drop
LCD Drive Reference
Voltage
VCOM
VSEG
VLCD
I O = ±50 µA
I O = ±50 µA
Contrast adjustment
-
-
-
-
Pull-high Current
Power Down Current
IPH
ISB1
Pull-high active input pin at VSS
All input and I/O pin at VDD,
-50 -100 -240 µA
3
µA
µA
µA
output pin floating, WDT disabled
All input and I/O pin at VDD, output pin
floating, WDT disabled,LCD enable
CLK=32.768 KHz, All input and I/O pin
at VDD, output pin floating, WDT disabled,
LCD enable
IDLE mode current
Low Clock Current
ISB-1
ISB2
80
90
Operating Supply Current
ICC
RESET=HIGH, CLK=3.679MHz, output pin
floating
1.5 mA
* This specification are subject to be changed without notice.
22
6.24.1998
ELAN [ ELAN MICROELECTRONICS CORP ]
