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參數(shù)資料
| 型號： | AN6783 |
| 廠商： | PANASONIC CORP |
| 元件分類： | XO, clock |
| 英文描述： | IC for long interval timer |
| 中文描述： | 1 TIMER(S), REAL TIME CLOCK, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 9/9頁 |
| 文件大?。?/td> | 85K |
| 代理商： | AN6783 |
9
ICs for Timer
AN6783S
I
Application Circuit Example (continued)
3. Quick check of the operation of the equipment which uses AN6783S
1) Input to pin 5 a higher frequency than the fre-
quency with C and R, and the timer's time becomes
short. Since a capacitor of big capacitance is at-
tached at pin 5 at this moment, use a power am-
plifier which has an output of a totem pole type. (If
the output of a pulse generator is large enough, it
is not necessary.) But be careful to keep an input
waveform of 1.8 V or less.
2) Place R
TEST
in parallel with R
t
only at the test to
lower the resistance, and an oscillation frequency
may be high and a timer interval can be short-
ened.
Pulse
generator
1.8 V
Oscillation waveform of pin 5
0.7 V
1
AN6783S
5
Power
amplifier
1
AN6783S
R
t
R
TEST
5
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