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參數資料
| 型號： | 74F190SCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous Up/Down Counter |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16 |
| 封裝： | 0.150 INCH, MS-012, SOIC-16 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 178K |
| 代理商： | 74F190SCX |
TL/F/9494
5
November 1994
54F/74F190
Up/Down Decade Counter with Preset and Ripple Clock
General Description
The ’F190 is a reversible BCD (8421) decade counter fea-
turing synchronous counting and asynchronous presetting.
The preset feature allows the ’F190 to be used in program-
mable dividers. The Count Enable input, the Terminal Count
output and the Ripple Clock output make possible a variety
of methods of implementing multistage counters. In the
counting modes, state changes are initiated by the rising
edge of the clock.
Features
Y
High-speedD125 MHz typical count frequency
Y
Synchronous counting
Y
Asynchronous parallel load
Y
Cascadable
Commercial
Military
Package
Number
Package Description
74F190PC
N16E
16-Lead (0.300
×
Wide) Molded Dual-In-Line
54F190DM (Note 2)
J16A
16-Lead Ceramic Dual-In-Line
74F190SC (Note 1)
M16A
16-Lead (0.150
×
Wide) Molded Small Outline, JEDEC
54F190FM (Note 2)
W16A
16-Lead Cerpack
54F190LM (Note 2)
E20A
20-Lead Ceramic Leadless Chip Carrier, Type C
Note 1:
Devices also available in 13
×
reel. Use suffix
e
SCX.
Note 2:
Military grade device with environmental and burn-in processing. Use suffix
e
DMQB, FMQB and LMQB.
Logic Symbols
Connection Diagrams
TL/F/9494–1
IEEE/IEC
TL/F/9494–4
Pin Assignment for
DIP, SOIC and Flatpak
TL/F/9494–2
Pin Assignment
for LCC
TL/F/9494–3
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M75/Printed in U. S. A.
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| 74F190PC | Up/Down Decade Counter with Preset and Ripple Clock |
| 74F190SC | Up/Down Decade Counter with Preset and Ripple Clock |
| 74F192 | Up/Down Decade Counter with Separate Up/Down Clocks(帶單獨可逆時鐘的可逆十進制計數器) |
| 74F192PC | Up/Down Decade Counter with Separate Up/Down Clocks |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74F191 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74F191DCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
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