Datasheet

6
Switching Specifications C
L
= 50pF, Input t
r
, t
f
= 6ns
PARAMETER SYMBOL
TEST
CONDITIONS V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO
125
o
C
UNITSMIN TYP MAX MIN MAX MIN MAX
HC TYPES
Propagation Delay t
PLH
, t
PHL
C
L
= 50pF
Clock to I/O Output,
Clock to Q0 and Q7,
MR to Output
2 - - 200 - 250 - 300 ns
4.5 - - 40 - 50 - 60 ns
C
L
= 15pF 5 - 17 - - - - - ns
C
L
= 50pF 6 - - 34 - 43 - 51 ns
Output Enable and Disable
Times
t
PZL
C
L
= 15pF 5 - 10 - - - - - ns
t
PZH
, t
PLZ
-13- - - - - ns
t
PHZ
-15- - - - - ns
Output High-Z to High Level t
PZH
C
L
= 50pF 2 - - 155 - 195 - 235 ns
4.5 - - 31 - 39 - 47 ns
6 - - 26 - 33 - 40 ns
Output High Level to High-Z t
PHZ
C
L
= 50pF 2 - - 185 - 230 - 280 ns
4.5 - - 37 - 46 - 56 ns
6 - - 31 - 39 - 48 ns
Output Low Level to High-Z t
PLZ
C
L
= 50pF 2 - - 155 - 195 - 235 ns
4.5 - - 31 - 39 - 47 ns
6 - - 26 - 33 - 40 ns
Output High-Z to Low Level t
PZL
C
L
= 50pF 2 - - 130 - 165 - 195 ns
4.5 - - 26 - 33 - 39 ns
6 - - 22 - 28 - 33 ns
Output Transition Time t
THL
, t
TLH
C
L
= 50pF
Q0, Q7 2 - - 75 - 95 - 110 ns
4.5 - - 15 - 19 - 22 ns
6 - - 13 - 16 - 19 ns
I/O
0
to I/O
7
t
THL
, t
TLH
C
L
= 50pF 2 - - 60 - 75 - 90 ns
4.5 - - 12 - 15 - 18 ns
6 - - 10 - 13 - 15 ns
Input Capacitance C
I
C
L
= 50pF - 10 - 10 - 10 - 10 pF
Three-State Output
Capacitance
C
O
- - 20 - 20 - 20 - 20 pF
Power Dissipation Capacitance
(Notes 3, 4)
C
PD
C
L
= 15pF 5 - 150 - - - - - pF
CD54HC299, CD74HC299, CD54HCT299, CD74HCT299