參數(shù)資料
型號(hào): 7ABT574APWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal D-type flip-flop 3-State
中文描述: ABT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 3/11頁
文件大小: 50K
代理商: 7ABT574APWDH
Philips Semiconductors
Product specification
74ABT574A
Octal D-type flip-flop (3-State)
1995 May 22
3
LOGIC SYMBOL
11
1
CP
OE
2
3
4
5
6
7
8
9
D0
D1
D2
D3
D4
D5
D6
D7
19
18
17
16
15
14
13
12
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SA00104
LOGIC SYMBOL (IEEE/IEC)
1
2
19
3
18
4
17
5
16
EN
11
C1
6
15
7
14
8
13
9
12
2D
1
SA00105
FUNCTION TABLE
INPUTS
INTERNAL
REGISTER
OUTPUTS
OPERATING
MODE
OE
CP
Dn
Q0 – Q7
L
L
l
h
L
H
L
H
Load and read
register
L
X
NC
NC
Hold
H
H
X
Dn
NC
Dn
Z
Z
Disable outputs
H =
h
High voltage level
High voltage level one set-up time prior to the Low–to–High
clock transition
Low voltage level
Low voltage level one set-up time prior to the Low–to–High
clock transition
No change
Don’t care
High impedance “off” state
Low-to-High clock transition
not a Low-to-High clock transition
=
L
l
=
=
NC=
X =
Z =
=
=
LOGIC DIAGRAM
CP Q
D
D0
Q0
CP Q
D
D1
CP Q
D
D2
CP Q
D
D3
CP Q
D
D4
CP Q
D
D5
CP Q
D
D6
CP Q
D
D7
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CP
OE
SA00106
2
3
4
5
6
7
8
9
11
1
19
18
17
16
15
14
13
12
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