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參數(shù)資料
| 型號： | HCC4541B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Programmable Timer(可編程定時器) |
| 中文描述： | 可編程定時器（可編程定時器） |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 247K |
| 代理商： | HCC4541B |
RC Oscillator Circuit.
a logic” 1 ”, when it is a logic ” 0 ” andaftera MAS-
TER RESET is started, and Q output has been se-
lected, the outputgoes up to a high state after 2
N-1
counts. It remains in that state till another MASTER
RESETpulse is apply or the mode input is a logic ”
1 ”. Theprocess starts by setting theAUTO RESET
input (pin 5) to logic ” 0 ” andswitching power on. If
pin 5 is set to logic ” 1 ”, the AUTO RESET circuit is
not enabled and counting cannot start till a positive
MASTERRESETpulse isapplied, returning toalow
level. The AUTO RESET consumes a remarkable
amount of power and should not be used if low-
poweroperation is wanted.
The frequency of the oscillator depends on the RC
network. It canbe calculated using thefollowing for-
mula:
f
=
1
2.3 R
TC
C
TC
wheref is between 1 kHz and 100 kHz
and RS
≥
10 k
and
≈
2 R
TC
FUNCTIONAL DIAGRAM
HCC/HCF4541B
2/11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HCF4541B | Programmable Timer(可編程定時器) |
| HCC4543BF | BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER |
| HCF4543 | Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125 |
| HCF4543BC1 | Octal Edge-Triggered D-type Flip-Flops With Clear 20-LCCC -55 to 125 |
| HCF4543BEY | Octal Edge-Triggered D-type Flip-Flops With Clear 20-CDIP -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCC4541B_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE TIMER |
| HCC4541B_96 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE TIMER |
| HCC4541BF | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE TIMER |
| HCC4543B | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER |
| HCC4543BF | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER |
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