Datasheet

54AC16244, 74AC16244
16-BIT BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCAS120A – MARCH 1990 – REVISED APRIL 1996
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
T
A
= 25°C 54AC16244 74AC16244
UNIT
PARAMETER
(INPUT) (OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A
Y
2 7.1 9.4 2 10.8 2 10.8
ns
t
PHL
A
Y
2.4 8.3 10.7 2.4 11.8 2.4 11.8
ns
t
PZH
OE
Y
2.2 7.5 10 2.2 11.5 2.2 11.5
ns
t
PZL
OE
Y
2.9 10.4 13 2.9 14.6 2.9 14.6
ns
t
PHZ
OE
Y
4.1 6.8 8.4 4.1 9.1 4.1 9.1
ns
t
PLZ
OE
Y
3.7 6.5 8.1 3.7 8.8 3.7 8.8
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
T
A
= 25°C 54AC16244 74AC16244
UNIT
PARAMETER
(INPUT) (OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A
Y
1.6 4.6 6.3 1.6 7.1 1.6 7.1
ns
t
PHL
A
Y
2 5.3 7 2 7.9 2 7.9
ns
t
PZH
OE
Y
1.7 4.8 6.7 1.7 7.5 1.7 7.5
ns
t
PZL
OE
Y
2.2 6.1 8.1 2.2 9 2.2 9
ns
t
PHZ
OE
Y
4 6.4 7.8 4 8.4 4 8.4
ns
t
PLZ
OE
Y
3.5 5.5 7.2 3.5 7.6 3.5 7.6
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
d
Power dissi
p
ation ca
p
acitance
p
er latch
Outputs enabled
C
L
=50
p
F
f=1MHz
43
p
F
C
pd
Po
w
er
dissipation
capacitance
per
latch
Outputs disabled
C
L
=
50
pF
,
f
=
1
MH
z
7
pF
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.