74HC74 Datasheet, PDF (2/21 Pages) NXP Semiconductors – Dual D-type flip-flop with set and reset; positive-edge trigger

NXP Semiconductors
74HC74; 74HCT74
Dual D-type flip-flop with set and reset; positive edge-trigger
Table 1. Ordering information …continued
Type number Package
Temperature range Name
74HC74PW 40 C to +125 C TSSOP14
74HCT74PW
74HC74BQ 40 C to +125 C DHVQFN14
74HCT74BQ
Description
plastic thin shrink small outline package; 14 leads;
body width 4.4 mm
Version
SOT402-1
plastic dual in-line compatible thermal enhanced very SOT762-1
thin quad flat package; no leads; 14 terminals;
body 2.5  3  0.85 mm
4. Functional diagram
4 10
1SD 2SD
SD
2 1D
1Q 5
12 2D ^D
Q _{2Q 9}
3 1CP _CP
11 2CP
FF
1Q 6
Q
2Q 8
RD
1RD 2RD
1 13 _mna418
Fig 1. Logic symbol
4
S
5
3
C1
2
1D
6
1
R
10
S
9
11
C1
12
1D
8
13
R
mna419
Fig 2. IEC logic symbol
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 3. Functional diagram
C
C
C
D
C
RD
SD
CP
C
C
Fig 4. Logic diagram for one flip-flop
C
C
C
C
74HC_HCT74
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 27 August 2012
Q
Q
mna421
© NXP B.V. 2012. All rights reserved.
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