HT12F-20 データシートの表示（PDF） - Holtek Semiconductor
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HT12F-20 Datasheet PDF : 11 Pages
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Approximate internal connection circuits
NM OS
T r a n s m is s io n G a te
CM OS OUT
C M O S IN
HT12D/HT12F
EN
O SC1
O s c illa to r
O SC2
Absolute Maximum Ratings
Supply Voltage ..........................................-0.3V to 13V
Input Voltage ................................VSS-0.3 to VDD+0.3V
Storage Temperature ............................-50°C to 125°C
Operating Temperature...........................-20°C to 75°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² 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 exposure to extreme conditions may affect device reliabil-
ity.
Electrical Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
VDD
Operating Voltage
¾
¾
2.4
5
12
V
ISTB
Standby Current
5V
Oscillator stops
12V
¾ 0.1
1
mA
¾
2
4
mA
IDD
Operating Current
5V No load, fOSC=150kHz ¾ 200 400 mA
Data Output Source Current (D8~D11) 5V VOH=4.5V
IO
Data Output Sink Current (D8~D11)
5V VOL=0.5V
-1 -1.6 ¾ mA
1
1.6 ¾ mA
VT Output Source Current
IVT
VT Output Sink Current
VOH=4.5V
5V
VOL=0.5V
-1 -1.6 ¾ mA
1
1.6 ¾ mA
VIH
²H² Input Voltage
5V
¾
3.5 ¾
5
V
VIL
²L² Input Voltage
5V
¾
0
¾
1
V
fOSC
Oscillator Frequency
5V ROSC=51kW
¾ 150 ¾ kHz
Rev. 1.10
3
November 18, 2002
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