Datasheet
6
Switching Speciļ¬cations 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
Data to Outputs (540) 2 - - 110 - 140 - 165 ns
4.5 - - 22 - 28 - 33 ns
C
L
= 15pF 5 - 9 - - - - - ns
C
L
= 50pF 6 - - 19 - 24 - 28 ns
Data to Outputs (541) t
PLZ
,t
PHZ
C
L
= 50pF 2 - - 115 - 145 - 175 ns
4.5 - - 23 - 29 - 35 ns
C
L
= 15pF 5 - 9 - - - - - ns
C
L
= 50pF 6 - - 20 - 25 - 30 ns
Output Enable and Disable
to Outputs (540)
t
PLZ
,t
PHZ
C
L
= 50pF 2 - - 160 - 200 - 240 ns
4.5 - - 32 - 40 - 48 ns
C
L
= 15pF 5 - 13 - - - - - ns
C
L
= 50pF 6 - - 27 - 34 - 41 ns
Output Enable and Disable
to Outputs (541)
t
PLZ
,t
PHZ
C
L
= 50pF 2 - - 160 - 200 - 240 ns
4.5 - - 32 - 40 - 48 ns
C
L
= 15pF 5 - 14 - - - - - ns
C
L
= 50pF 6 - - 23 - 29 - 35 ns
Output Transition Time 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) (540)
C
PD
C
L
= 15pF 5 - 50 - - - - - pF
Power Dissipation Capacitance
(Notes 3, 4) (541)
C
PD
C
L
= 15pF 5 - 48 - - - - - pF
HCT TYPES
Propagation Delay t
PHL,
t
PLH
Data to Outputs (540) C
L
= 50pF 4.5 - - 24 - 30 - 36 ns
C
L
= 15pF 5 - 9 - - - - - ns
Data to Outputs (541) t
PHL,
t
PLH
C
L
= 50pF 4.5 - - 28 - 35 - 42 ns
C
L
= 15pF 5 - 11 - - - - - ns
Output Enable and Disable
to Outputs (540, 541)
t
PLZ
,t
PHZ
C
L
= 50pF 4.5 - - 35 - 44 - 53 ns
C
L
= 15pF 5 - 14 - - - - - ns
Output Transition Time t
TLH
, t
THL
C
L
= 50pF 4.5 - - 12 - 15 - 18 ns
Input Capacitance C
I
C
L
= 50pF - 10 - 10 - 10 - 10 pF
CD54/74HC540, CD74HCT540, CD54/74HC541, CD54/74HCT541