NXP Semiconductors
74LVC74A
Dual D-type flip-flop with set and reset; positive-edge trigger
10. Dynamic characteristics
Table 8.
Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see
Symbol Parameter
t
pd
propagation
delay
Conditions
nCP to nQ, nQ; see
V
CC
= 1.2 V
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 3.6 V
nSD to nQ, nQ; see
V
CC
= 1.2 V
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 3.6 V
nRD to nQ, nQ; see
V
CC
= 1.2 V
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 3.6 V
t
W
pulse width
clock HIGH or LOW; see
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 3.6 V
set or reset LOW; see
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 3.6 V
t
rec
recovery time
set or reset; see
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V
V
CC
= 3.0 V to 3.6 V
1.5
1.5
1.5
+1.0
-
-
-
3.0
-
-
-
-
1.5
1.5
1.0
1.0
-
-
-
-
ns
ns
ns
ns
5.0
4.0
3.3
3.3
-
-
-
1.7
-
-
-
-
5.0
4.0
4.5
4.5
-
-
-
-
ns
ns
ns
ns
5.0
4.0
3.3
3.3
-
-
-
1.3
-
-
-
-
5.0
4.0
4.5
4.5
-
-
-
-
ns
ns
ns
ns
-
0.5
1.0
1.0
1.0
15
4.1
2.4
3.0
2.2
-
10.7
6.1
6.4
5.4
-
0.5
1.0
1.0
1.0
-
12.4
7.1
8.0
7.0
ns
ns
ns
ns
ns
-
0.5
1.0
1.0
1.0
15
4.0
2.4
2.9
2.2
-
10.6
6.1
6.4
5.4
-
0.5
1.0
1.0
1.0
-
12.2
7.1
8.0
7.0
ns
ns
ns
ns
ns
40 C
to +85
C
Min
-
1.0
1.8
1.0
1.0
Typ
15
5.0
2.9
2.7
2.6
Max
-
10.3
5.8
6.0
5.2
40 C
to +125
C
Unit
Min
-
1.0
1.8
1.0
1.0
Max
-
11.9
6.7
7.5
6.5
ns
ns
ns
ns
ns
74LVC74A
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 7 — 20 November 2012
7 of 19
PHILIPS [ NXP SEMICONDUCTORS ]
