Справочник Пользователя для IBM EM78P447N
EM78P447N
8-Bit Microcontroller with OTP ROM
34
•
Product Specification (V1.1) 03.30.2005
(This specification is subject to change without further notice)
5 ABSOLUTE MAXIMUM RATINGS
Items
Rating
Temperature under bias
-40
°C
to
85
°C
Storage temperature
-65
°C
to
150
°C
Input voltage
VSS-0.3V to
VDD+0.5V
Output voltage
VSS-0.3V to
VDD+0.5V
Operating Frequency (2clk) 32.768KHz
to
20MHz
Operating Voltage
2.5V to
5.5V
6 DC ELECTRICAL CHARACTERISTICS
6.1 DC Electrical Characteristic
(Ta= 25
°C, VDD= 5.0V±5%, VSS= 0V )
Symbol
Parameter
Condition
Min
Typ.
Max
Unit
XTAL: VDD to 3V
Two cycle with two clocks
DC
8.0
MHz
FXT
XTAL: VDD to 5V
Two cycle with two clocks
DC
20.0
MHz
ERC
ERC: VDD to 5V
R: 5.1K
Ω, C: 100 pF
F
±30%
950
F
±30%
KHz
IIL
Input Leakage Current for
input pins
input pins
VIN = VDD, VSS
±1
µA
VIH1
Input High Voltage (VDD=5V) Ports 5, 6,7
2.0
V
VIL1
Input Low Voltage (VDD=5V)
Ports 5, 6,7
0.8
V
VIHT1
Input High Threshold Voltage
(VDD=5V)
(VDD=5V)
/RESET, TCC,INT
2.0
V
VILT1
Input Low Threshold Voltage
(VDD=5V)
(VDD=5V)
/RESET, TCC,INT
0.8
V
VIHX1
Clock Input High Voltage
(VDD=5V)
(VDD=5V)
OSCI 3.5
V
VILX1
Clock Input Low Voltage
(VDD=5V)
(VDD=5V)
OSCI
1.5
V
VIH2
Input High Voltage (VDD=3V) Ports 5, 6,7
1.5
V
VIL2
Input Low Voltage (VDD=3V)
Ports 5, 6,7
0.4
V
VIHT2
Input High Threshold Voltage
(VDD=3V)
(VDD=3V)
/RESET, TCC,INT
1.5
V
VILT2
Input Low Threshold Voltage
(VDD=3V)
(VDD=3V)
/RESET, TCC,INT
0.4
V
VIHX2
Clock Input High Voltage
(VDD=3V)
(VDD=3V)
OSCI 2.1
V
VILX2
Clock Input Low Voltage
(VDD=3V)
(VDD=3V)
OSCI
0.9
V
VOH1
Output High Voltage
(Ports 5, 6, 7)
(Ports 5, 6, 7)
IOH = -10.0 mA
2.4
V
VOL1
Output Low Voltage
(Ports 5, 6)
(Ports 5, 6)
IOL = 9.0 mA
0.4
V
VOL2
Output Low Voltage
(Port7)
(Port7)
IOL = 14.0 mA
0.4
V
IPH Pull-high
current
Pull-high active, input pin at
VSS
VSS
-50 -100 -240
µA
ISB1
Power down current
All input and I/O pins at VDD,
output pin floating, WDT
disabled
output pin floating, WDT
disabled
1
µA