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參數(shù)資料
| 型號(hào)： | HCF4029BC1 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 通用總線功能 |
| 英文描述： | BINARY OR BCD DECADE PRESETTABLE UP/DOWN COUNTER |
| 中文描述： | 二進(jìn)制或BCD十年預(yù)置加/減計(jì)數(shù)器 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 295K |
| 代理商： | HCF4029BC1 |
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APPLICATIONS
Conversion of Clock up, Clock Down Input Sig-
nals to Clock and Up/Down Inputs Signals.
Cascading Counter Packages.
The
HCC/HCF4029B
CLOCK and UP/DOWN in-
puts are used directly inmost applications. In appli-
cations where CLOCK UP and CLOCK DOWN
inputs
are
provided,
HCC/HCF4029B
CLOCK and UP/DOWN inputs
can easilybe realized by use of the circuit.
HCC/HCF4029B
changes count on positive transi-
tions of CLOCK UP or CLOCK DOWN inputs. For
the gateconfiguration shown below, when counting
up the CLOCK DOWN input must be maintained
high and conversely when counting down the
CLOCKUP input must be maintained high.
conversion
to
the
*
CARRY-OUT lines at the 2nd, 3rd, et., stages may have a negative-going glitch pulse resulting from differential delays of different
HCC/HCF4029B
IC’s.Thesenegative-going glitchesdo notaffect proper
HCC/HCF4029B
operation. However,if the CARRY-OUTsignals
are used to trigger otheredge-sensitive logicdevices, suchasFF’sor counters, theCARRY-OUTsignals shouldbe gated withtheclocksignal
using a 2-input NOR gate suchas
HCC/HCF4001B
.
RippleClocking Mode: The Up/Down controlcan be changed at any count. Theonlyrestriction on changing the Up/Down control is thatthe
clock inputto the firstcounting stage must behigh.
HCC/HCF4029B
8/13
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HCC4029BF | Dual Line Receiver 14-SOIC 0 to 70 |
| HCF4029BEY | Quadruple Differential Line Receiver 16-PDIP 0 to 70 |
| HCF4029BM1 | BINARY OR BCD DECADE PRESETTABLE UP/DOWN COUNTER |
| HCC4030B | QUAD EXCLUSIVE-OR GATE |
| HCC4030BF | Dual Line Receiver 14-SOIC 0 to 70 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCF4029BE | 制造商:STMicroelectronics 功能描述: |
| HCF4029BEY | 功能描述:計(jì)數(shù)器移位寄存器 Preset Up/Down Count RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| HCF4029BF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| HCF4029BM1 | 功能描述:計(jì)數(shù)器 IC SO-16 PRE UP/DN CNTR RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| HCF4029M013TR | 功能描述:計(jì)數(shù)器移位寄存器 Preset Up/Down Count RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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