HT82M91A 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT82M91A Datasheet PDF : 6 Pages
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HT82M91A
Absolute Maximum Ratings
Supply Voltage.................................-0.3V to 6V
mC Input Voltage ...........VSS-0.3V to VDD+0.3V
USB Input Voltage .......VSS-0.3V to V33O+0.3V
Storage Temperature.................-50°C to 125°C
Operating Temperature ..............-25°C to 70°C
Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maxi-
mum Ratings" may cause substantial damage to the device. Functional operation of this device
at other conditions beyond those listed in the specification is not implied and prolonged expo-
sure to extreme conditions may affect device reliability.
D.C. Characteristics
Ta=25°C
Symbol
Parameter
VDD
Operating Voltage
IDD
Operating Current
(Crystal OSC)
Test Conditions
VDD
Conditions
¾
¾
Min. Typ. Max. Unit
4.5 ¾ 5.5 V
5V No load, fSYS=6MHz ¾
10
¾ mA
ISTB
VIL1
Standby Current
5V No load, system Halt ¾
Input Low Voltage for I/O
Ports
5V
¾
0
¾ 250 mA
¾ 1.0 V
VIH1
Input High Voltage for mC
I/O Ports
5V
¾
3.5 ¾
5
V
VIL2
VIH2
VIH3
VPOR
IOL1
IOH1
IOL2
Input Low Voltage (RESET) 5V
¾
Input High Voltage (RESET) 5V
¾
Input High Voltage for USB
I/O Ports
3.3V
¾
Power on Reset VDD
Detecting Voltage
5V
¾
Output Port Sink Current 5V VOL=0.5V
Output Port Source Current 5V VOL=4.5V
Outpu Ports Sink Current
(LED)
5V VOL=4.5V
0
¾ 1.8 V
3.5 ¾
5
V
2.8 ¾ 3.6 V
3
¾ 3.6 V
¾
4
¾ mA
¾ -4 ¾ mA
¾ 50 ¾ mA
3
January 28, 2000
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