74HC74D View Datasheet(PDF) - NXP Semiconductors.
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74HC74D Datasheet PDF : 21 Pages
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NXP Semiconductors
74HC74; 74HCT74
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); CL = 50 pF unless otherwise specified; for test circuit see Figure 9.
Symbol Parameter Conditions
Tamb = 40 C to +85 C
Tamb = 40 C to +125 C Unit
Min
Typ[1]
Max
Min
Max
74HC74
tpd
propagation nCP to nQ, nQ; see
[2]
delay
Figure 7
VCC = 2.0 V
-
47
220
-
VCC = 4.5 V
-
17
44
-
VCC = 5 V; CL = 15 pF
-
14
-
-
VCC = 6.0 V
-
14
37
-
nSD to nQ, nQ; see
[2]
Figure 8
265
ns
53
ns
-
ns
45
ns
VCC = 2.0 V
-
50
250
-
VCC = 4.5 V
-
18
50
-
VCC = 5 V; CL = 15 pF
-
15
-
-
VCC = 6.0 V
-
14
43
-
nRD to nQ, nQ; see
[2]
Figure 8
300
ns
60
ns
-
ns
51
ns
VCC = 2.0 V
-
52
250
-
VCC = 4.5 V
-
19
50
-
VCC = 5 V; CL = 15 pF
-
16
-
-
VCC = 6.0 V
-
15
43
-
tt
transition nQ, nQ; see Figure 7
[3]
time
VCC = 2.0 V
-
19
95
-
VCC = 4.5 V
-
7
19
-
VCC = 6.0 V
-
6
16
-
tW
pulse width nCP HIGH or LOW;
see Figure 7
300
ns
60
ns
-
ns
51
ns
110
ns
22
ns
19
ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
nSD, nRD LOW;
see Figure 8
100
19
-
120
20
7
-
24
17
6
-
20
-
ns
-
ns
-
ns
VCC = 2.0 V
100
19
-
120
VCC = 4.5 V
20
7
-
24
VCC = 6.0 V
17
6
-
20
trec
recovery nSD, nRD; see Figure 8
time
VCC = 2.0 V
40
3
-
45
VCC = 4.5 V
8
1
-
9
VCC = 6.0 V
7
1
-
8
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
74HC_HCT74
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 27 August 2012
© NXP B.V. 2012. All rights reserved.
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