EM78P350N
8-Bit Microprocessor with OTP ROM
8 DC Electrical Characteristics
Ta= 25 °C, VDD= 5.0V, VSS= 0V
Symbol
Parameter
Condition
Min.
Typ. Max. Unit
Crystal: VDD to 5V
Crystal: VDD to 3V
ERC: VDD to 5V
DC
DC
20
8
MHz
MHz
Two cycles with two clocks
FXT
R: 5.1KΩ, C: 100 pF
RCM0:RCM1=1:1
RCM0:RCM1=1:0
RCM0:RCM1=0:1
RCM0:RCM1=0:0
F±30% 850 F±30% kHz
IRC1 IRC:VDD to 5V
IRC2 IRC:VDD to 5V
IRC3 IRC:VDD to 5V
IRC4 IRC:VDD to 5V
3.84
7.68
0.96
4.0
8.0
1.0
4.16 MHz
8.32 MHz
1.06 MHz
436.8 455 473.2 kHz
Input High Threshold
VIHRC
VILRC
IIL
OSCI in RC mode
OSCI in RC mode
VIN = VDD, VSS
Ports 5, 6, 7, 8
Ports 5, 6, 7, 8
/RESET
−
−
3.5
1.5
−
−
V
V
Voltage (Schmitt Trigger )
Input Low Threshold
Voltage (Schmitt Trigger )
Input Leakage Current for
input pins
Input High Voltage
(Schmitt Trigger )
Input Low Voltage
(Schmitt Trigger )
Input High Threshold
Voltage (Schmitt Trigger )
Input Low Threshold
Voltage (Schmitt Trigger )
Input High Threshold
Voltage (Schmitt Trigger )
Input Low Threshold
Voltage (Schmitt Trigger )
–1.0
−
0
1.0
−
µA
V
VIH1
3.75
1.25
2.0
VIL1
−
−
V
VIHT1
VILT1
VIHT2
VILT2
−
−
V
/RESET
−
1.0
−
V
TCC,INT
−
3.75
1.25
−
V
TCC,INT
−
−
V
VIHX1 Clock Input High Voltage
VILX1 Clock Input Low Voltage
Output High Voltage
IOH1 (Ports 50~53, Ports 60~63) VOH = VDD-0.5V (IOH =-6mA)
(Ports 70~77, Ports 80~84)
OSCI in crystal mode
OSCI in crystal mode
−
−
3.5
1.5
−
−
V
V
−
−
−
−
-9.0
-12.0
18.0
24.0
−
−
−
−
mA
mA
mA
mA
Output High Voltage
(Ports P54~P57, P64~P67)
Output Low Voltage
IOH2
VOH = VDD-0.5V (IOH =-9mA)
IOL1 (Ports 50~53, Ports 60~63) VOL = GND+0.5V (IOL =12mA)
(Ports 70~77, Ports 80~84)
Output Low Voltage
(Ports P54~P57, P64~P67)
IOL2
VOL = GND+0.5V (IOL =24mA)
IBOL Output Sink Current
IBOH Output Drive Current
Buzzer output sink current
Buzzer output drive current
−
−
–50
25
24
24
–75
40
−
−
mA
mA
µA
IPH
IPL
Pull-high current
Pull-low current
Pull-high active, input pin at VSS
Pull-low active, input pin at Vdd
All input and I/O pins at VDD,
Output pin floating, WDT disabled
All input and I/O pins at VDD,
Output pin floating, WDT enabled
/RESET= 'High', Fosc=32kHz,
(Crystal type, CLKS="0"),
Output pin floating, WDT disabled
/RESET= 'High', Fosc=32kHz
(Crystal type, CLKS="0"),
Output pin floating, WDT enabled
/RESET= 'High', Fosc=4MHz
(Crystal type, CLKS="0"),
–240
120
µA
ISB1 Power down current
ISB2 Power down current
−
−
1.0
2.0
15
µA
−
µA
Operating supply current at
two clocks
ICC1
ICC2
ICC3
ICC4
15
20
25
35
35
µA
µA
Operating supply current at
two clocks
Operating supply current at
two clocks
1.7
3.0
2.2
3.5
mA
mA
Output pin floating, WDT enabled
/RESET= 'High', Fosc=10MHz
(Crystal type, CLKS="0"),
Operating supply current at
two clocks
Output pin floating, WDT enabled
Product Specification (V 1.0) 09.14.2006
(This specification is subject to change without further notice)
• 91
ELAN [ ELAN MICROELECTRONICS CORP ]
