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參數(shù)資料
| 型號： | TD6347S |
| 元件分類： | 模擬波形發(fā)生器 |
| 英文描述： | PULSE; RECTANGULAR, TIMER, PSIP9 |
| 封裝： | 2.54 MM PITCH, PLASTIC, SIP-9 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 254K |
| 代理商： | TD6347S |
TD6347S/F
2002-02-27
3
PIN DESCRIPTION
PIN No.
TD6347S TD6347F
SYMBOL
DESCRIPTION
1
2
DI1
Connected to the input switch. When this pin is
grounded, the IC accepts the input, and the output is
reversed. The input circuit is shown at right.
2
3
DI2
When this pin is grounded, the IC is reset. The input circuit construction is the same as that of
DI1 .
3
4
DI3
When the input switch is connected and this pin is grounded, the output turns off. When this pin is
connected to VCC, the
output turns on. The input
circuit is shown at right.
4
5
RT
The resistor for basic clock oscillation is connected between this pin and CT pin.
5
6
GND
Grounded
6
7
CT
The capacitor for basic clock oscillation is connected to this pin. The clock frequency T is
determined by external resistor R and capacitor C as follows :
T (ms)＝1.75C (F) R (kΩ)
The time constant of the input filter consisting of DI1 , DI2 , and DI3 is four times the basic clock
period.
7
8
OUT
Output pin.The circuit is shown at right.
8
9
SEL
Timer time select pin. When this pin is open,the timer time is
32768 (2
15) times the clock period. When it is grounded, the
timer time is 2048 (2
11) times the clock period.
The input circuit is shown at right.
9
10
VCC
Power supply pin
―
1
NC
Not connected pin.(Electrically,this pin is completely open.)
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