Switching Characteristics
at V
CC
e
5V and T
A
e
25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
From (Input)
To (Output)
Min
f
MAX
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
Maximum Clock
Frequency
Propagation Delay Time
High to Low Level Output
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
Propagation Delay Time
Low to High Level Output
Preset
to Q
Preset
to Q
Clear
to Q
Clear
to Q
Clock to
Q or Q
Clock to
Q or Q
15
40
25
40
25
40
25
R
L
e
400X
C
L
e
15 pF
Max
MHz
ns
ns
ns
ns
ns
ns
Units
Physical Dimensions
inches (millimeters)
16-Lead Ceramic Dual-In-Line Package (J)
Order Number 5476DMQB or DM5476J
NS Package Number J16A
3
NSC [ NATIONAL SEMICONDUCTOR ]
