74HCT74 Philips, 74HCT74 Datasheet - Page 5

• Manufacturer Part Number: 74HCT74
• Description: Dual D-type flip-flop with set and reset; positive-edge trigger
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard
I
AC CHARACTERISTICS
GND = 0 V; t
1998 Feb 23
CC
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
t
f
PHL
PHL
PHL
THL
W
W
rem
su
h
max
Dual D-type flip-flop with set and reset;
positive-edge trigger
category: flip-flops
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
output transition time
clock pulse width
set or reset pulse width
removal time
set-up time
hold time
maximum clock pulse
r
nCP to nQ, nQ
nS
nR
HIGH or LOW
LOW
set or reset
nD to nCP
nCP to nD
frequency
= t
D
D
f
= 6 ns; C
to nQ, nQ
to nQ, nQ
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
80
16
14
80
16
14
30
6
5
60
12
10
3
3
3
6.0
30
35
min. typ. max. min. max
47
17
14
50
18
14
52
19
15
19
7
6
19
7
6
19
7
6
3
1
1
6
2
2
23
69
82
6
2
2
25
175
35
30
200
40
34
200
40
34
75
15
13
T
amb
5
100
20
17
100
20
17
40
8
7
75
15
13
3
3
3
4.8
24
28
74HC
40 to 85
( C)
220
44
37
250
50
43
250
50
43
95
19
16
120
24
20
120
24
20
45
9
8
90
18
15
3
3
3
4.0
20
24
min.
40 to 125
max.
265
53
45
300
60
51
300
60
51
110
22
19
.
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
74HC/HCT74
V
TEST CONDITIONS
(V)
CC
Product specification
WAVEFORMS
Fig.6
Fig.7
Fig.7
Fig.6
Fig.6
Fig.7
Fig.7
Fig.6
Fig.6
Fig.6