Datasheet

74AHC_AHCT273_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 13 May 2008 3 of 18
NXP Semiconductors
74AHC273; 74AHCT273
Octal D-type flip-flop with reset; positive-edge trigger
Fig 3. Logic diagram
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D
R
D
Q
FF8
Q7
D7
D
R
D
Q
FF7
Q6
D6
D
R
D
Q
FF6
Q5
D5
D
R
D
Q
FF5
Q4
D4
D
R
D
Q
FF4
Q3
D3
D
R
D
Q
FF3
Q2
D2
D
R
D
Q
FF2
Q1
D1
D
CPCPCPCP
CPCPCPCP
R
D
Q
FF1
Q0
D0
CP
MR
Fig 4. Functional diagram
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D0
D1
D2
D3
D4
D5
D6
D7
3
4
7
8
13
14
17
18
1
11
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
5
6
9
12
15
16
19
FF1
TO
FF8
MR
CP