Nexperia
74HC241; 74HCT241
Octal buffer/line driver; 3-state
74HC_HCT241 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 February 2018
7 / 17
T
amb
(°C)
+25 −40 to +85 −40 to +125
Symbol Parameter Conditions
Min Typ Max Max Max
Unit
see Figure 5
[4]
V
CC
= 2.0 V - 14 60 75 90 ns
V
CC
= 4.5 V - 5 12 15 18 ns
t
t
transition time
V
CC
= 6.0 V - 4 10 13 15 ns
C
PD
power dissipation
capacitance
per buffer; V
I
= GND to V
CC
[5]
- 30 - - - pF
74HCT241
nAn to nYn; see Figure 5
[1]
V
CC
= 4.5 V - 13 22 28 33 ns
t
pd
propagation delay
V
CC
= 5.0 V; C
L
= 15 pF - 11 - - - ns
t
en
enable time 1OE to 1Yn; see Figure 6;
2OE to 2Yn; see Figure 7;
V
CC
= 4.5 V
[2]
- 15 30 38 45 ns
t
dis
disable time 1OE to 1Yn; see Figure 6;
2OE to 2Yn; see Figure 7;
V
CC
= 4.5 V
[3]
- 18 30 38 45 ns
t
t
transition time V
CC
= 4.5 V; see Figure 5
[4]
- 5 12 15 18 ns
C
PD
power dissipation
capacitance
per buffer;
V
I
= GND to V
CC
- 1.5 V
[5]
- 30 - - - pF
[1] t
pd
is the same as t
PHL
and t
PLH
.
[2] t
en
is the same as t
PZH
and t
PZL
.
[3] t
dis
is the same as t
PHZ
and t
PLZ
.
[4] t
t
is the same as t
THL
and t
TLH
.
[5] C
PD
is used to determine the dynamic power dissipation (P
D
in μW):
P
D
= C
PD
V
CC
2
f
i
N + ∑(C
L
V
CC
2
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching;
∑(C
L
V
CC
2
f
o
) = sum of outputs.
