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IN74AC299N 参数 Datasheet PDF下载

IN74AC299N图片预览
型号: IN74AC299N
PDF下载: 下载PDF文件 查看货源
内容描述: 8位与并行I / O高速硅栅CMOS双向通用移位寄存器 [8-Bit Bidirectional Universal Shift Register with Parallel I/O High-Speed Silicon-Gate CMOS]
分类和应用: 移位寄存器逻辑集成电路
文件页数/大小: 8 页 / 254 K
品牌: INTEGRAL [ INTEGRAL CORP. ]
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IN74AC299  
FUNCTION TABLE  
Inputs  
Output  
Enables  
Response  
Mode Reset Mode  
Select  
Clock  
Serial PA/ PB/ PC/ PD/ PE/ PF/ PG/ PH/ QA’ QH’  
Inputs QA QB QC QD QE QF QG QH  
S2 S1 OE1 OE2  
DA DH  
Reset  
L
L
L
H
X
L
H
L
L
X
H
H
L
L
L
L
X
X
X
X
X
X
D
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
D
L
L
X
H
X
X
QA through QH=Z  
Shift Right: QA through QH=Z;  
DA FA; FA FB; etc  
Shift Right: QA through QH=Z;  
DA FA; FA FB; etc  
Shift Right: DA FA =QA;  
FA FB =QB; etc  
Shift Left: QA through QH=Z;  
DH FH; FH FG; etc  
Shift Left: QA through QH=Z;  
L
Shift  
Right  
QG  
H
H
H
H
H
H
L
L
H
H
L
L
L
H
X
L
H
L
D
D
X
X
X
X
X
X
D
D
D
X
D
D
QG  
QG  
D
Shift  
Left  
H
H
H
H
H
X
L
X
H
L
QB  
QB  
QB  
D
DH  
FH; FH  
FG; etc  
Shift Left: DH  
FH =QH;  
D
FH  
FG =QG; etc  
Parallel  
Load  
X
X
Parallel Load:PN  
FN  
PA PH  
Hold  
H
H
H
L
L
L
L
L
L
H
X
L
X
H
L
X
X
X
X
X
X
X
X
X
Hold: QA through QH=Z; FN=FN  
Hold: QA through QH=Z; FN=FN  
Hold: QN =QH  
PA PH  
PA PH  
PA PH  
Z = high impedance  
D = data on serial input  
F = flip-flop (see Logic Diagram)  
When one or both output controls are high the eight input/output terminals are disabled to the high-  
impedance state; however, sequential operation or clearing of the register is not affected.  
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