MM74C90 Fairchild, MM74C90 Datasheet - Page 5

• Manufacturer Part Number: MM74C90
• Description: 4-Bit Decade Counter 4-Bit Binary Counter
• Manufacturer: Fairchild

t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
C
C
pd0
pd0
pd0
pd0
pd0
pd0
pd0
pd0
pd0
pd0
PW
PW
PW
r
W
MAX
AC Electrical Characteristics
T
, t
Note 2: AC Parameters are guaranteed by DC correlated testing.
Note 3: Capacitance is guaranteed by periodic testing.
Note 4: C
AN-90.
IN
PD
Symbol
A
f
, t
, t
, t
, t
, t
, t
, t
, t
, t
, t
pd1
pd1
pd1
pd1
pd1
pd1
pd1
pd1
pd1
pd1
25 C, C
PD
Propagation Delay Time
from A
Propagation Delay Time from
A
Propagation Delay Time from
A
Propagation Delay Time
from A
Propagation Delay Time from
A
Propagation Delay Time from
A
Propagation Delay Time from
A
Propagation Delay Time from
R
(MM74C93)
Propagation Delay Time from
R
(MM74C90)
Propagation Delay Time from
R
(MM74C90)
Min. R
(MM74C93)
Min. R
(MM74C90)
Min. R
(MM74C90)
Maximum Clock Rise
and Fall Time
Minimum Clock Pulse Width
Maximum Clock Frequency
Input Capacitance
Power Dissipation Capacitance
determines the no load ac power consumption of any CMOS device. For complete explanation see Family Characteristics application note—
IN
IN
IN
IN
IN
01
01
91
L
to Q
to Q
to Q
to Q
to Q
or R
or R
or R
01
01
91
IN
IN
50 pF, unless otherwise specified
B
B
C
D
D
02
02
92
to Q
to Q
or R
or R
or R
(MM74C93)
(MM74C90)
(MM74C93)
(MM74C93)
(MM74C90)
to Q
to Q
to Q
A
C
02
02
92
Parameter
(MM74C93)
A
A
A
Pulse Width
Pulse Width
Pulse Width
, Q
, Q
or Q
B
B
, Q
, Q
D
C
C
or Q
or Q
D
D
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Any Input (Note 3)
Per Package (Note 4)
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
(Note 2)
5V
10
5V
10V
5V
10V
5V
10
5V
10V
5V
10V
5V
10V
5V
10V
5V
10V
5V
10V
5V
10V
5V
10V
5V
10V
10V
10V
5V
10V
5V
10V
Conditions
5
Min
600
600
300
500
250
250
100
30
2
5
Typ
200
450
160
450
160
500
200
500
200
600
250
450
160
150
200
250
100
250
125
250
125
200
100
100
80
75
75
50
45
5
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1050
1000
1200
Max
400
150
850
300
800
300
400
400
500
800
300
300
150
400
150
500
200
15
5
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
s
s