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參數資料
| 型號： | DM74LS123SJ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 諧振器 |
| 英文描述： | Dual Retriggerable One-Shot with Clear and Complementary Outputs |
| 中文描述： | LS SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-16 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 96K |
| 代理商： | DM74LS123SJ |
3
www.fairchildsemi.com
D
Operating Rules
(Continued)
8. Output pulse width variation versus V
CC
and tempera-
tures: Figure 6 depicts the relationship between pulse
width variation versus V
CC
, and Figure 7 depicts pulse
width variation versus temperatures.
FIGURE 6.
FIGURE 7.
9. Under any operating condition C
X
and R
X
must be kept
as close to the one-shot device pins as possible to min-
imize stray capacitance, to reduce noise pick-up, and
to reduce I-R and Ldi/dt voltage developed along their
connecting paths. If the lead length from C
X
to pins (6)
and (7) or pins (14) and (15) is greater than 3 cm, for
example, the output pulse width might be quite different
from values predicted from the appropriate equations.
A non-inductive and low capacitive path is necessary to
ensure complete discharge of C
X
in each cycle of its
operation so that the output pulse width will be accu-
rate.
10. The C
EXT
pins of this device are internally connected to
the internal ground. For optimum system performance
they should be hard wired to the system
’
s return
ground plane.
11. V
CC
and ground wiring should conform to good high-
frequency standards and practices so that switching
transients on the V
CC
and ground return leads do not
cause interaction between one-shots. A 0.01
μ
F to 0.10
μ
F bypass capacitor (disk ceramic or monolithic type)
from V
CC
to ground is necessary on each device. Fur-
thermore, the bypass capacitor should be located as
close to the V
CC
-pin as space permits.
Note: For further detailed device characteristics and output per-
formance please refer to the Fairchild Semiconductor one-shot
application note AN-372.
相關PDF資料 |
PDF描述 |
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| DM74LS123 | Dual Retriggerable Monostable Multivibrator with Clear and Complementary Outputs(雙可再觸發(fā)的單穩(wěn)態(tài)多諧振蕩器（帶清除端、互補輸出）) |
| DM74LS123M | Dual Retriggerable One-Shot with Clear and Complementary Outputs |
| DM74LS123N | Dual Retriggerable One-Shot with Clear and Complementary Outputs |
| DM74LS123MX | Monostable Multivibrator |
| DM74LS123SJX | Monostable Multivibrator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS123SJX | 功能描述:單穩(wěn)態(tài)多諧振蕩器 Dual Retrig One-Shot RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| DM74LS125 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS125A WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS125AM | 功能描述:緩沖器和線路驅動器 Quad 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| DM74LS125AMX | 功能描述:緩沖器和線路驅動器 Quad 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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