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HT12A Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT12A
Description  Series of Encoders
PDF  13 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT12A Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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Electrical Characteristics
HT12A
Ta=25°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
2.4
3
5
V
ISTB
Standby Current
3V
Oscillator stops
¾
0.1
1
mA
5V
¾
0.1
1
mA
IDD
Operating Current
3V No load
fOSC=455kHz
¾
200
400
mA
5V
¾
400
800
mA
IDOUT
Output Drive Current
5V
VOH=0.9VDD (Source)
-1
-1.6
¾
mA
VOL=0.1VDD (Sink)
2
3.2
¾
mA
VIH
²H² Input Voltage
¾¾
0.8VDD
¾
VDD
V
VIL
²L² Input Voltage
¾¾
0
¾
0.2VDD
V
RDATA D8~D11 Pull-high
Resistance
5V VDATA=0V
¾
150
300
kW
HT12E
Ta=25°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
2.4
5
12
V
ISTB
Standby Current
3V
Oscillator stops
¾
0.1
1
mA
12V
¾
24
mA
IDD
Operating Current
3V No load
fOSC=3kHz
¾
40
80
mA
12V
¾
150
300
mA
IDOUT Output Drive Current
5V
VOH=0.9VDD (Source)
-1
-1.6
¾
mA
VOL=0.1VDD (Sink)
1
1.6
¾
mA
VIH
²H² Input Voltage
¾¾
0.8VDD
¾
VDD
V
VIL
²L² Input Voltage
¾¾
0
¾
0.2VDD
V
fOSC
Oscillator Frequency
5V ROSC=1.1MW¾
3
¾
kHz
RTE
TE Pull-high Resistance
5V VTE=0V
¾
1.5
3
MW
HT12A/HT12E
5
April 11, 2000



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