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EM78P259N/260N
8-Bit Microprocessor with OTP ROM
72 •
Product Specification (V1.2) 05.18.2007
(This specification is subject to change without further notice)
8 DC Electrical Characteristics
Ta=25
°
C, VDD=5.0V±5%, VSS=0V
Symbol Parameter Condition Min Typ Max Unit
Crystal: VDD to 5V DC 20 MHz
Crystal: VDD to 3V
Two cycles with two clocks
DC 8 MHz
Fxt
ERC: VDD to 5V R: 5.1KΩ, C: 100 pF F±30% 830 F±30% kHz
VIHRC
Input High Threshold
Voltage (Schmitt trigger)
OSCI in RC mode 3.5 V
VILRC
Input Low Threshold
Voltage (Schmitt trigger)
OSCI in RC mode 1.5 V
IIL
Input Leakage Current for
input pins
VIN = VDD, VSS -1 0 1 μA
VIH1
Input High Voltage
(Schmitt trigger)
Ports 5, 6, 7 3.75 V
VIL1
Input Low Voltage
(Schmitt trigger)
Ports 5, 6, 7 1.25 V
VIHT1
Input High Threshold
Voltage (Schmitt trigger)
/RESET 2.0 V
VILT1
Input Low Threshold
Voltage (Schmitt trigger)
/RESET 1.0 V
VIHT2
Input High Threshold
Voltage (Schmitt trigger)
TCC, INT 3.75 V
VILT2
Input Low Threshold
Voltage (Schmitt trigger)
TCC, INT 1.25 V
VIHX1 Clock Input High Voltage OSCI in crystal mode 3.5 V
VILX1 Clock Input Low Voltage OSCI in crystal mode 1.5 V
IOH1
Output High Voltage
(Ports 5, P60~66, P70)
VOH = VDD-0.5V -3.7 mA
IOH2
Output High Voltage
(IR OUT (Port67))
VOH = VDD-0.5V -10 mA
IOL1
Output Low Voltage
(Ports 5, P60~66, P70)
VOL = GND+0.5V 10 mA
IOL2
Output Low Voltage
(IR OUT (Port 67))
VOL = GND+0.5V 15 mA
IPH Pull-high current Pull-high active, input pin at VSS -70 -75 -80 μA
IPL Pull-low current Pull-low active, input pin at Vdd 35 40 45 μA
ISB1
Power down current
All input and I/O pins at VDD,
Output pin floating, WDT disabled
1.0 2.0 μA
ISB2
Power down current
All input and I/O pins at VDD,
Output pin floating, WDT enabled
6.0 10 μA