EM78P458/459
OTP ROM
6. ELECTRICAL CHARACTERISTICS
6.1 DC Electrical Characteristic(Ta=0°C ~ 70 °C, VDD=5.0V±5%, VSS=0V)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
XTAL: VDD to 3V
XTAL: VDD to 5V
RC: VDD to 5V
DC
8
MHz
MHz
KHz
µA
V
Two cycle with two clocks
Fxt
DC
20
760
R: 5.1KΩ, C: 100pF
VIN = VDD, VSS
Ports 5, 6
F±30%
F±30%
±1
IIL
Input Leakage Current for input pins
Input High Voltage,VDD=5V
Input Low Voltage,VDD=5V
Input High Threshold Voltage,VDD=5V
Input Low Threshold Voltage,VDD=5V
Clock Input High Voltage,VDD=5V
Clock Input Low Voltage,VDD=5V
Input High Voltage,VDD=3V
Input Low Voltage,VDD=3V
VIH1
2.0
2.0
2.5
1.5
1.5
1.5
VIL1
Ports 5, 6
0.8
0.8
1.0
0.4
0.4
0.6
V
VIHT1
VILT1
VIHX1
VILX1
VIH2
/RESET, TCC
/RESET, TCC
OSCI
V
V
V
OSCI
V
Ports 5, 6
V
VIL2
Ports 5, 6
V
VIHT2
VILT2
VIHX2
VILX2
Input High Threshold Voltage,VDD=3V
Input Low Threshold Voltage,VDD=3V
Clock Input High Voltage,VDD=3V
Clock Input Low Voltage,VDD=3V
Output High Voltage
/RESET, TCC
/RESET, TCC
OSCI
V
V
V
OSCI
V
VOH1
IOH = -12.0 mA
2.4
V
(Ports 5, 6)
Output Low Voltage (P51~P57, P60~P63,
P66~P67)
VOL1
VOL2
IPH
IOL = 12.0 mA
0.4
0.4
V
V
Output Low Voltage (P64,P65)
IOL = 16.0 mA
Pull-high active, input pin at
VSS
Pull-high current
-50
25
-100
50
-240
µA
Pull-down active, input pin at
VDD
IPD
ISB
Pull-down current
120
10
µA
µA
All input and I/O pins at VDD,
output pin floating, WDT
enabled
Power down current
Power down current
All input and I/O pins at VDD,
output pin floating, WDT
disabled
ISB
1
µA
µA
/RESET='High',Fosc=32KHz
Operating supply current (VDD=3V) at two (Crystal type, two clocks),
ICC1
15
19
30
clocks
output pin floating, WDT
disabled
/RESET=‘High',Fosc=32KHz
Operating supply current (VDD=3V) at two (Crystal type, two clocks),
ICC2
35
µA
clocks
output pin floating, WDT
enabled
/RESET='High', Fosc=2MHz
(Crystal type, two clocks),
output pin floating
Operating supply current (VDD=5.0V) at
two clocks
ICC3
ICC4
2
mA
mA
/RESET='High', Fosc=4MHz
(Crystal type, two clocks),
output pin floating
Operating supply current (VDD=5.0V) at
two clocks
4.0
This specification is subject to change without prior notice.
56
06.25.2004 (V1.4)
ELAN [ ELAN MICROELECTRONICS CORP ]
