Datasheet
54ACT16652, 74ACT16652
16-BIT TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS128C – MARCH 1990 – REVISED APRIL 1996
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
PARAMETER
FROM TO
T
A
= 25°C 54ACT16652 74ACT16652
UNIT
PARAMETER
(INPUT) (OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
90 90 90 MHz
t
PLH
AorB
BorA
3.7 7.2 9.4 3.7 10.5 3.7 10.5
ns
t
PHL
A
or
B
B
or
A
3 8.1 10.5 3 11.6 3 11.6
ns
t
PLH
CLKBA or CLKAB
AorB
4.5 8.7 11.2 4.5 12.3 4.5 12.3
ns
t
PHL
CLKBA
or
CLKAB
A
or
B
4.9 8.9 11.3 4.9 12.3 4.9 12.3
ns
t
PLH
SBA or SAB
AorB
4.9 10.4 14.1 4.9 16 4.9 16
ns
t
PHL
(with A or B high)
A
or
B
4.6 8.4 10.6 4.6 11.7 4.6 11.7
ns
t
PLH
SBA or SAB
AorB
3.9 7.8 10 3.9 11.2 3.9 11.2
ns
t
PHL
(with A or B low)
A
or
B
5.6 12.3 14.9 5.6 16.9 5.6 16.9
ns
t
PZH
OEBA
A
3 8.1 10.5 3 11.7 3 11.7
ns
t
PZL
OEBA
A
3.9 9.4 12 3.9 13.4 3.9 13.4
ns
t
PHZ
OEBA
A
5.3 7.4 8.9 5.3 9.5 5.3 9.5
ns
t
PLZ
OEBA
A
4.8 6.8 8.6 4.8 9.2 4.8 9.2
ns
t
PZH
OEAB
B
4.1 7.7 9.8 4.1 10.8 4.1 10.8
ns
t
PZL
OEAB
B
5 9 11 5 12.4 5 12.4
ns
t
PHZ
OEAB
B
4.4 8.1 10.1 4.4 10.5 4.4 10.5
ns
t
PLZ
OEAB
B
4.3 7.7 9.7 4.3 9.9 4.3 9.9
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 transceiver
Outputs enabled
C
L
=50
p
F
f=1MHz
57
p
F
C
pd
Po
w
er
dissipation
capacitance
per
transcei
v
er
Outputs disabled
C
L
=
50
pF
,
f
=
1
MH
z
13
pF
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.