Datasheet

74HC_HCT7541 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 3 — 25 July 2011 5 of 17
NXP Semiconductors
74HC7541; 74HCT7541
Octal Schmitt trigger buffer/line driver; 3-state
10. Dynamic characteristics
I
I
input leakage
current
V
I
= V
CC
or GND; V
CC
=5.5V - - 0.1 - 1.0 - 1.0 A
I
CC
supply current V
I
=V
CC
or GND; I
O
= 0 A;
V
CC
=5.5V
- - 8.0 - 80 - 160 A
I
CC
additional
supply current
per input pin; I
O
=0A;
V
I
=V
CC
 2.1 V;
other inputs at V
CC
or GND;
V
CC
= 4.5 V to 5.5 V
An input - 20 72 - 90 - 98 A
OEn input - 130 468 - 585 - 637 A
C
I
input
capacitance
-3.5- - - - - pF
Table 6. Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions T
amb
= 25 C T
amb
= 40 C
to +85 C
T
amb
= 40 C
to +125 C
Unit
Min Typ Max Min Max Min Max
Table 7. Dynamic characteristics
GND = 0 V; C
L
= 50 pF; for test circuit see Figure 7.
Symbol Parameter Conditions T
amb
= 25 C T
amb
= 40 C to +125 C Unit
Min Typ Max Max (85 C) Max (125 C)
74HC7541
t
pd
propagation delay An to Yn; see Figure 5
[1]
V
CC
= 2.0 V - 39 120 150 180 ns
V
CC
= 4.5 V - 14 24 30 36 ns
V
CC
= 5.0 V; C
L
=15pF - 10 - - - ns
V
CC
= 6.0 V - 11 20 26 32 ns
t
en
enable time OEn to Yn; see Figure 6
[1]
V
CC
= 2.0 V - 44 160 200 240 ns
V
CC
= 4.5 V - 16 32 40 48 ns
V
CC
= 6.0 V - 13 27 34 41 ns
t
dis
disable time OEn to Yn; see Figure 6
[1]
V
CC
= 2.0 V - 58 160 200 240 ns
V
CC
= 4.5 V - 21 32 40 48 ns
V
CC
= 6.0 V - 17 27 34 41 ns
t
t
transition time see Figure 5
[2]
V
CC
= 2.0 V - 14 60 75 90 ns
V
CC
= 4.5 V - 5 12 15 18 ns
V
CC
= 6.0 V - 4 10 13 15 ns
C
PD
power dissipation
capacitance
per package;
V
I
=GNDtoV
CC
[3]
-30- - - pF