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| 型号： | EM78459 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 14-SOIC |
| 中文描述： | 8位微控制器的通用产品 |
| 文件页数： | 51/57页 |
| 文件大小： | 854K |
| 代理商： | EM78459 |
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EM78458/459
MASK ROM
This specification is subject to change without prior notice.
2002/03/01
55
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
DC
8
MHz
XTAL: VDD to 5V
Two cycle with two clocks
DC
20
MHz
Fxt
RC: VDD to 5V
R: 5.1K
, C: 100pF
F
±20%
980
F
±20%
KHz
IIL
Input Leakage Current for input pins
VIN = VDD, VSS
±1
A
VIH
Input High Voltage
Ports 5, 6
2.0
V
VIL
Input Low Voltage
Ports 5, 6
0.8
V
VIHT
Input High Threshold Voltage
/RESET, TCC
2.0
V
VILT
Input Low Threshold Voltage
/RESET, TCC
0.8
V
VIHX
Clock Input High Voltage
OSCI
2.5
V
VILX
Clock Input Low Voltage
OSCI
1.0
V
VIH2
Input High Voltage,VDD=3V
Ports 5, 6
1.5
V
VIL2
Input Low Voltage,VDD=3V
Ports 5, 6
0.4
V
VIHT2
Input High Threshold Voltage,VDD=3V
/RESET, TCC
1.5
V
VILT2
Input Low Threshold Voltage,VDD=3V
/RESET, TCC
0.4
V
VIHX2
Clock Input High Voltage,VDD=3V
OSCI
1.5
V
VILX2
Clock Input Low Voltage,VDD=3V
OSCI
0.6
V
VOH1
Output High Voltage
(Ports 5, 6)
IOH = -12.0 mA
2.4
V
VOL1
Output Low Voltage (P51~P57, P60~P63,
P66~P67)
IOL = 12.0 mA
0.4
V
VOL2
Output Low Voltage (P64,P65)
IOL = 16.0 mA
0.4
V
IPH
Pull-high current
Pull-high active, input pin at
VSS
-50
-100
-240
A
IPD
Pull-down current
Pull-down active, input pin at
VDD
25
50
120
A
ISB
Power down current
All input and I/O pins at VDD,
output pin floating, WDT
enabled
4
A
ISB
Power down current
All input and I/O pins at VDD,
output pin floating, WDT
disabled
0.2
A
ICC1
Operating supply current (VDD=3V) at two
clocks
/RESET='High',Fosc=32KHz
(Crystal type, two clocks),
output pin floating, WDT
disabled
15
30
A
ICC2
Operating supply current (VDD=3V) at two
clocks
/RESET=‘High',Fosc=32KHz
(Crystal type, two clocks),
output pin floating, WDT
enabled
19
35
A
ICC3
Operating supply current (VDD=5.0V) at
two clocks
/RESET='High', Fosc=2MHz
(Crystal type, two clocks),
output pin floating
1.3
mA
ICC4
Operating supply current (VDD=5.0V) at
two clocks
/RESET='High', Fosc=4MHz
(Crystal type, two clocks),
output pin floating
4.0
mA
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