74ABT823 查看數據表（PDF） - Philips Electronics
零件编号
产品描述 (功能)
比赛名单
74ABT823 Datasheet PDF : 7 Pages
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Philips Semiconductors
9-bit D-type flip-flop with reset and enable
(3-State)
Product specification
74ABT823
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
2 3 4 5 6 7 8 9 10
D0 D1 D2 D3 D4 D5 D6 D7 D8
13
CP
14
CE
11
MR
1
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8
23 22 21 20 19 18 17 16 15
1
EN
11
R
14
G1
13
1C2
2
23
2D
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
SA00228
SA00229
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
OE
MR
CE
CP
Dn
Q0 – Q8
L
L
X
X
X
L
Clear
L
H
L
↑
h
L
H
L
↑
l
H
Load and read data
L
L
H
H
↑
X
NC
Hold
H
X
X
X
X
Z
High impedance
H = High voltage level
h = High voltage level one set-up time prior to the Low-to-High
clock transition
L = Low voltage level
l = Low voltage level one set-up time prior to the Low-to-High
clock transition
NC = No change
X = Don’t care
Z = High impedance “off” state
↑ = Low to High clock transition
↑ = Not a Low-to-High clock transition
LOGIC DIAGRAM
14
CE
13
CP
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
D8
10
CP
D
CP
D
CP
D
CP
D
CP
D
CP
D
CP
D
CP
D
CP
D
RQ
RQ
RQ
RR Q
RQ
RQ
RQ
RQ
RQ
11
MR
1
OE
23
Q0
22
Q1
21
Q2
20
Q3
19
Q4
18
Q5
17
Q6
16
Q7
15
Q8
SA00230
1995 Sep 06
2
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