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參數(shù)資料
| 型號： | SC8560S |
| 廠商： | 杭州士景電子有限公司 |
| 英文描述： | The SC8560 is an alarm equipped digital clock IC with built-in drivers capable of directly driving LED display equipment. |
| 中文描述： | 在SC8560配備內(nèi)置驅(qū)動的直接驅(qū)動LED顯示設備能力的數(shù)字時鐘IC報警。 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 108K |
| 代理商： | SC8560S |
Silan
Semiconductors
SC8560
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 1.1 2003.06.26
4
(Continued)
Parameter
Symbol
Test conditions
Min
Typ
Max
Unit
μ
A
Output leakage current(3)
I
OF3
Segment Output other than
those listed above, V
OUT
=V
DD
20
Power failure detection voltage
V
DF
-7.5
-5.0
V
Consumption current
I
CC
Output set to off and pull-down
attached input set to open
5
7
mA
Backup oscillator stability factor
fs
Standard value,900Hz,
V
DD
= -9V
10%
-10
10
%
Backup oscillator accuracy
fa
Standard value,900Hz,
V
DD
= -9V
-10
10
%
DESCRIPTION OF OPERATIONS
Terminal Description
Operating Description
50/60 Hz Input:
Built-in Shumidt circuit enable noise elimination at 50/60Hz commercial
frequencies with use of a simple CR filter. Built-in pull-up resistor.
CR Input
When the AC power supply is interrupted, the time counter switches to a holding
state and a built-in oscillator promptly begins operation. If 50/60Hz input
continuous for 3 clocks without arriving, this oscillator’s output is activated and
functions as the time counter clock in place of 50/60Hz input. The frequency level
of this clock oscillator is determined according to the CK Value. While the above
mentioned oscillator is operating using backup mode, all segment output is
switched to OFF. (Note) When the backup oscillator is in use due to an AC power
supply interruption, the 50/60Hz input pin must be maintained open or at a Vss
level.
50/60Hz Selective Input
When 50/60 selective input is connected to Vss,50Hz use is enable. When 50/60
selective input is left open, V
DD
is activated using an internal pull-down resistor
and the setting is switched to enable use at 60Hz.
Display Mode Selective Input
(Alarm Select/Sleep Select )
Since the pull-down resistor is built-in, selection from four display modes is
possible using two SPST switches (single-pole and single-throw switches). Table l
shows these display mode selections.
Time Setting Input
There are two setting inputs for use with “hour” and “minute”. Time content
settings shown in Table 2 are possible by activating Vss to these pins. A pull-down
resister is built-in.
12/24H Select Input
Leaving this pin unconnected (V
DD
) causes the 12-hour basis to be selected,
connecting this pin to V
SS
cause the 24-hour basis to be selected .An internal pull-
down resistor is provided.
(To be continued)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SC8562 | 制造商:SILAN 制造商全稱:Silan Microelectronics Joint-stock 功能描述:DIGITAL ALARM CLOCK WITH LED DRIVER |
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| SC862 | 制造商:N/A 功能描述:862 |
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