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HT1612 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT1612
Timer with Dialer Interface
Holtek Semiconductor
HT1612 Datasheet PDF : 14 Pages
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HT1612
Electrical Characteristics
(F
OSC
=32768Hz, Ta=25
°
C)
Symbol
Parameter
Test Condition
V
DD
Condition
V
DD
Operating Voltage
—
—
V
IL
Input Low Voltage
1.2V~1.7V
—
V
IL
Input High Voltage
1.2V~1.7V
—
I
STB
Stand-by Current
1.5V
V
HK
=Floating
(or VDD)
I
DD
Operating Current
1.5V No load
I
OL
Output Sink Current of
INT
1.5V
V
O
=0.3V
Min. Typ. Max. Unit
1.2 1.5 1.7 V
V
SS
— 0.2V
DD
V
0.8V
DD
— V
DD
V
—
0.1
1
µ
A
—
10
30
µ
A
500 1000 —
µ
A
T
A
Data Setup Time
T
B
Data Hold On Time
T
C
Inter Digit Time
T
DB
Debounce Time
(HK, TMIER)
R
HI
Pull-High Resistance
(HK , DI, SK)
1.5V
—
1.5V
—
1.5V
—
1.5V
—
1.5V V
IN
=0V
1
—
—
µ
s
2
—
—
µ
s
5
—
—
µ
s
— 31.25 –
ms
—
1
— M
Ω
R
LO
Pull-Low Resistance
(TIMER)
1.5V V
TIMER
=1.5V
—
5
— M
Ω
F
OSC
System Frequency
1.5V Crystal=32768Hz — 32768 — Hz
5
5th July ’95
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