IBM EM78P259N/260N 用户手册
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: 5.1K
Ω, C: 100 pF
F
±30% 830 F±30% kHz
VIHRC
Input High Threshold
Voltage (Schmitt trigger)
Voltage (Schmitt trigger)
OSCI in RC mode
3.5
V
VILRC
Input Low Threshold
Voltage (Schmitt trigger)
Voltage (Schmitt trigger)
OSCI in RC mode
1.5
V
IIL
Input Leakage Current for
input pins
input pins
VIN = VDD, VSS
-1
0
1
μA
VIH1
Input High Voltage
(Schmitt trigger)
(Schmitt trigger)
Ports 5, 6, 7
3.75
V
VIL1
Input Low Voltage
(Schmitt trigger)
(Schmitt trigger)
Ports 5, 6, 7
1.25
V
VIHT1
Input High Threshold
Voltage (Schmitt trigger)
Voltage (Schmitt trigger)
/RESET
2.0
V
VILT1
Input Low Threshold
Voltage (Schmitt trigger)
Voltage (Schmitt trigger)
/RESET
1.0
V
VIHT2
Input High Threshold
Voltage (Schmitt trigger)
Voltage (Schmitt trigger)
TCC, INT
3.75
V
VILT2
Input Low Threshold
Voltage (Schmitt trigger)
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)
(Ports 5, P60~66, P70)
VOH = VDD-0.5V
-3.7
mA
IOH2
Output High Voltage
(IR OUT (Port67))
(IR OUT (Port67))
VOH = VDD-0.5V
-10
mA
IOL1
Output Low Voltage
(Ports 5, P60~66, P70)
(Ports 5, P60~66, P70)
VOL = GND+0.5V
10
mA
IOL2
Output Low Voltage
(IR OUT (Port 67))
(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
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
Output pin floating, WDT enabled
6.0 10
μA