Datasheet

5
HCT Input Loading Table
INPUT UNIT LOADS
nA, nB 0.6
NOTE: Unit Load is ∆I
CC
limit specified in DC Electrical Specifica-
tions table, e.g. 360µA max at 25
o
C.
Switching Specifications 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
A, B to Y (Figure 1)
t
PLH
, t
PHL
C
L
= 50pF 2 - - 125 - 156 - 188 ns
4.5 - - 25 - 31 - 38 ns
6 - - 21 - 27 - 32 ns
Propagation Delay
A, B to Y
t
TLH
, t
THL
C
L
= 15pF 5 - 10 - ----pF
Transition Times (Figure 1) t
TLH
, t
THL
C
L
= 50pF 2 - - 75 - 95 - 110 ns
4.5 - - 15 - 19 - 22 ns
6 - - 13 - 16 - 19 ns
Input Capacitance C
I
- - - - 10 - 10 - 10 pF
Power Dissipation Capacitance
(Notes 4, 5)
C
PD
- 5-30-----pF
HCT TYPES
Propagation Delay
A, B to Y
(Figure 2)
t
PHL
, t
PHL
C
L
= 50pF 4.5 - - 33 - 41 - 50 ns
Propagation Delay
A, B to Y
t
PLH
, t
PHL
C
L
= 15pF 5 - 13 - ----pF
Transition Times (Figure 2) t
TLH
, t
THL
C
L
= 50pF 4.5 - - 15 - 19 - 22 ns
Input Capacitance C
I
- - - - 10 - 10 - 10 pF
Power Dissipation Capacitance
(Notes 4, 5)
C
PD
- 5-30-----pF
NOTES:
4. C
PD
is used to determine the dynamic power consumption, per gate.
5. P
D
= V
CC
2
f
i
(C
PD
+ C
L
) where f
i
= input frequency, C
L
= output load capacitance, V
CC
= supply voltage.
CD54HC132, CD74HC132, CD54HCT132, CD74HCT132