參數(shù)資料
型號(hào): 74ACTQ652SPC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Quiet Series⑩ Transceiver/Register
中文描述: ACT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24
封裝: 0.300 INCH, PLASTIC, MS-001, DIP-24
文件頁(yè)數(shù): 2/9頁(yè)
文件大?。?/td> 104K
代理商: 74ACTQ652SPC
www.fairchildsemi.com
2
7
Function Table
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
=
LOW-to-HIGH Clock Transition
Note 1:
The data output functions may be enabled or disabled by various signals at OEAB or OEBA inputs. Data input functions are always enabled,
i.e., data at the bus pins will be stored on every LOW-to-HIGH transition on the clock inputs.
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Inputs
Inputs/Outputs (Note 1)
Operating Mode
OEAB
OEBA
CPAB
CPBA
SAB
SBA
A
0
thru A
7
B
0
thru B
7
L
H
H or L
H or L
X
X
Input
Input
Isolation
L
H
X
X
Store A and B Data
X
H
H or L
X
X
Input
Not Specified
Store A, Hold B
H
H
X
X
Input
Output
Store A in Both Registers
L
X
H or L
X
X
Not Specified
Input
Hold A, Store B
L
L
X
X
Output
Input
Store B in Both Registers
L
L
X
X
X
L
Output
Input
Real-Time B Data to A Bus
L
L
X
H or L
X
H
Store B Data to A Bus
H
H
X
X
L
X
Input
Output
Real-Time A Data to B Bus
H
H
H or L
X
H
X
Stored A Data to B Bus
H
L
H or L
H or L
H
H
Output
Output
Stored A Data to B Bus and
Stored B Data to A Bus
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