NXP Semiconductors
74HC244-Q100; 74HCT244-Q100
Octal buffer/line driver; 3-state
10. Dynamic characteristics
Table 7.
Dynamic characteristics
GND = 0 V; for load circuit see
Symbol Parameter
Conditions
Min
74HC244-Q100
t
pd
propagation delay nAn to nYn;
see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5.0 V; C
L
= 15 pF
V
CC
= 6.0 V
t
en
enable time
nOE to nYn; see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
t
dis
disable time
nOE to nYn or see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
t
t
transition time
see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
C
PD
power dissipation
capacitance
per buffer; V
I
= GND to V
CC
25
C
Typ
Max
40 C
to +125
C
Unit
Max
(85
C)
Max
(125
C)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
30
11
9
9
36
13
10
39
14
11
14
5
4
35
110
22
-
19
150
30
26
150
30
26
60
12
10
-
145
28
-
24
190
38
33
190
38
33
75
15
13
-
165
33
-
28
225
45
38
225
45
38
90
18
15
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
74HC_HCT244_Q100
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 1. — 7 August 2012
7 of 17
PHILIPS [ NXP SEMICONDUCTORS ]
