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參數(shù)資料
| 型號： | M54HC40102 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS |
| 中文描述： | 8階段預(yù)置同步向下計數(shù)器 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大小： | 300K |
| 代理商： | M54HC40102 |
EXAMPLE OF TYPICAL APPLICATION
PROGRAMMABLE DIVIDE-BY-N COUNTER
f
OUT
=
f
IN
N
+
1
Timingchart when N= ”3”
(J0, J1=V
CC
, J2– J7= GND)
HC40102... 1/2to1/100 are dividable
HC40103... 1/2to1/256 are dividable
PARALLEL CARRY CASCADING
*Atsynchronous cascade connection, huzzerd occurs atC0 output afteritssecond stage when digitplacechanges, duetodelayarrival.Therefore,
take gate from HC32 or the like,notfrom C0 output at the rear stage directly.
PROGRAMMABLE TIMER
Note :
The above formula does not take into account the phase of clock input. Therefore, the real pulse width is the distance between the
above formula-1/fIN
～
the above formula.
M54/M74HC40102/40103
9/14
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相關(guān)代理商/技術(shù)參數(shù) |
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| M54HC40102B1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS |
| M54HC40102C1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS |
| M54HC40102F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS |
| M54HC40102M1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS |
| M54HC40103 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS |
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