Datasheet
5
ACT Input Load Table
INPUT UNIT LOAD
S0, S1, nI
0
, nI
1
1
nOE 0.83
NOTE: Unit load is ∆I
CC
limit specified in DC Electrical Specifications
Table, e.g., 2.4mA max at 25
o
C.
Switching Specifications Input t
r
, t
f
= 3ns, C
L
= 50pF (Worst Case)
PARAMETER SYMBOL V
CC
(V)
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITSMIN TYP MAX MIN TYP MAX
AC TYPES
Propagation Delay,
S0, S1, to Y
t
PLH
, t
PHL
1.5 - - 227 - - 250 ns
3.3
(Note 9)
7.2 -257 -28ns
5
(Note 10)
5.2 - 18.2 5 - 20 ns
Propagation Delay,
nI to Y
t
PLH
, t
PHL
1.5 - - 151 - - 166 ns
3.3 4.8 - 16.9 4.7 - 18.6 ns
5 3.4 - 12.1 3.3 - 13.3 ns
Propagation Delay,
Output Enable,
Output Disable to Y
t
PLZ
, t
PHZ
,
t
PZL
, t
PZH
1.5 - - 131 - - 144 ns
3.3 4.5 - 15.7 4.3 - 17.3 ns
5 3 - 10.5 2.9 - 11.5 ns
Three-State Output
Capacitance
C
O
- - -15- -15pF
Input Capacitance C
I
- - -10- -10pF
Power Dissipation Capacitance C
PD
(Note 11)
- - 107 - - 107 - pF
ACT TYPES
Propagation Delay,
S0, S1, to Y
t
PLH
, t
PHL
5
(Note 10)
5.7 - 20 5.5 - 22 ns
Propagation Delay,
nI to Y
t
PLH
, t
PHL
5 4.6 - 16.4 4.5 - 18 ns
Propagation Delay,
Output Enable,
Output Disable to Y
t
PLZ
, t
PHZ
,
t
PZL
, t
PZH
5 3.2 - 11.5 3.2 - 12.6 ns
Three-State Output
Capacitance
C
O
- - -15- -15pF
Input Capacitance C
I
- - -10- -10pF
Power Dissipation Capacitance C
PD
(Note 11)
- - 107 - - 107 - pF
NOTES:
8. Limits tested 100%.
9. 3.3V Min is at 3.6V, Max is at 3V.
10. 5V Min is at 5.5V, Max is at 4.5V.
11. C
PD
is used to determine the dynamic power consumption per multiplexer.
AC: P
D
= V
CC
2
f
i
(C
PD
+ C
L
)
ACT: P
D
= V
CC
2
f
i
(C
PD
+ C
L
) + V
CC
∆I
CC
where f
i
= input frequency, C
L
= output load capacitance, V
CC
= supply voltage.
CD74AC253, CD54/74ACT253