74AHC74_08 查看數據表（PDF） - NXP Semiconductors.
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74AHC74_08 Datasheet PDF : 18 Pages
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NXP Semiconductors
74AHC74; 74AHCT74
Dual D-type flip-flop with set and reset; positive-edge trigger
4 1SD
SD
2 1D D
1Q
Q
5
1CP
3
CP
FF 1Q
Q
6
RD
1 1RD
10 2SD
SD
12 2D D
2Q
Q
9
2CP
11
CP
FF 2Q
Q
8
RD
13 2RD
mna420
Fig 2. Logic symbol
C
C
C
D
C
RD
SD
CP
C
C
Fig 4. Logic diagram (one flip-flop)
4
S
5
3
C1
2
1D
6
1
R
10
S
9
11
C1
12
1D
8
13
R
mna419
Fig 3. IEC logic symbol
Q
C
C
C
Q
C
mna421
74AHC_AHCT74_5
Product data sheet
Rev. 05 — 9 June 2008
© NXP B.V. 2008. All rights reserved.
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