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參數(shù)資料
| 型號： | MC10198FNR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 諧振器 |
| 英文描述： | 10K SERIES, MONOSTABLE MULTIVIBRATOR, PQCC20 |
| 封裝： | PLASTIC, LCC-20 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 154K |
| 代理商： | MC10198FNR2 |
MC10198
http://onsemi.com
8
3. HI–SPEED INPUT — This input is used for stretching very narrow pulses with minimum delay between the output
pulse and the trigger pulse. The trigger input should be disabled when using the high–speed input. The MC10198
triggers on the rising edge, using this input, and input pulse width should narrow, typically less than 10 nanoseconds.
USAGE RULES:
1. Capacitor lead lengths should be kept very short to minimize ringing due to fast recovery rise times.
2. The E inputs should not be tied to ground to establish a high logic level. A resistor divider or diode can be used to
establish a –0.7 to –0.9 voltage level.
3. For optimum temperature stability; 0.5 mA is the best timing current IT. The device is designed to have a constant
voltage at the EXTERNAL PULSE WIDTH CONTROL over temperature at this current value.
4. Pulse Width modulation can be attained with the EXTERNAL PULSE WIDTH CONTROL. The timing current can
be altered to vary the pulse width. Two schemes are:
a. The internal resistor is not used. A dependent cur-
rent source is used to set the timing current as
shown in Figure 4. A graph of pulse width versus
timing current (CExt = 13 pF) is shown in Figure
5.
b. A control voltage can also be used to vary the pulse
width using an additional resistor (Figure 6). The
current (IT + IC) is set by the voltage drop across
RInt + RExt. The control current IC modifies IT and
alters the pulse width. Current IC should never
force IT to zero. RC typically 1 k.
FIGURE 5 — PULSE WIDTH versus IT @ CExt = 13 pF
0.01 mA
0.1 mA
1 mA
10 mA
1000
100
10
PULSE
WIDTH
(ns)
MC10198
FIGURE 4 —
CExt
7
4
I
FIGURE 6 —
-5.2 V
Control
Voltage
284
RExt
CExt
6
4
7
IT + IC
IT
IC
-3.6
V
RC
IT - TIMING CURRENT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC10198P | 制造商:ON Semiconductor 功能描述:Monostable Multivibrator Single 16-Pin PDIP |
| MC1019P | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC-102 | 制造商:SUMIDA 制造商全稱:Sumida Corporation 功能描述:IFT COILS |
| MC1020L | 制造商:Motorola Inc 功能描述: |
| MC1020P | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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