74HC390 Philips, 74HC390 Datasheet - Page 5

• Manufacturer Part Number: 74HC390
• Description: Dual decade ripple counter
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
December 1990
CC
t
t
t
t
t
t
t
t
t
f
SYMBOL
PHL
PHL
PHL
PHL
PHL
THL
W
W
rem
max
Dual decade ripple counter
category: MSI
/ t
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
clock pulse width
master reset pulse width
removal time
maximum clock pulse
r
= t
nCP
nCP
nCP
nCP
nMR to nQ
nCP
HIGH
nMR to nCP
frequency
nCP
f
= 6 ns; C
0
1
1
1
0
0
PARAMETER
, nCP
, nCP
to nQ
to nQ
to nQ
to nQ
n
1
1
0
1
2
3
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
80
16
14
80
17
14
75
15
13
6.0
30
35
min. typ. max. min. max. min. max.
47
17
14
50
18
14
74
27
22
50
18
14
52
19
15
19
7
6
19
7
6
28
10
8
22
8
6
20
60
71
25
145
29
25
155
31
26
210
42
36
155
31
26
165
33
28
75
15
13
5
T
amb
100
20
17
105
21
18
95
19
16
4.8
24
28
74HC
40 to 85
( C)
180
36
31
195
39
33
265
53
45
195
39
33
205
41
35
95
19
16
120
24
20
130
26
22
110
22
19
4.0
20
24
40 to 125
220
44
38
235
47
40
315
63
54
235
47
40
250
50
43
110
22
19
.
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT390
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
TEST CONDITIONS
V
(V)
Product specification
CC
Fig.6
Fig.6
Fig.6
Fig.6
Fig.7
Fig.6
Fig.6
Fig.7
Fig.7
Fig.6
WAVEFORMS