Datasheet
SN54ABT16543, SN74ABT16543
16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS087C – FEBRUARY 1991 – REVISED JANUARY 1997
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
SN54ABT16543
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN TYP MAX
t
PLH
AorB
BorA
0.8 2.5 3.3 0.8 3.9
ns
t
PHL
A
or
B
B
or
A
0.9 2.7 4.4 0.9 5.2
ns
t
PLH
LE
AorB
1 3.1 4.3 1 5.3
ns
t
PHL
LE
A
or
B
1.2 3.3 4.8 1.2 5.7
ns
t
PZH
OE
AorB
0.8 3.4 4.3 0.8 5.3
ns
t
PZL
OE
A
or
B
1.1 3.8 7 1.1 7.9
ns
t
PHZ
OE
AorB
1.9 4 6.3 1.9 7.2
ns
t
PLZ
OE
A
or
B
1.6 3.3 4.6 1.6 5
ns
t
PZH
CE
AorB
0.9 3.8 4.9 0.9 6.3
ns
t
PZL
CE
A
or
B
1.2 4.2 6.8 1.2 7.9
ns
t
PHZ
CE
AorB
2 4.5 6.4 2 7.3
ns
t
PLZ
CE
A
or
B
1.7 3.9 5.1 1.7 5.6
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
SN74ABT16543
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN TYP MAX
t
PLH
AorB
BorA
1 2.5 3.3 1 3.8
ns
t
PHL
A
or
B
B
or
A
1 2.7 4.4 1 5.1
ns
t
PLH
LE
AorB
1 3.1 4.3 1 5.2
ns
t
PHL
LE
A
or
B
1.2 3.3 4.8 1.2 5.6
ns
t
PZH
OE
AorB
1 3.4 4.3 1 5.2
ns
t
PZL
OE
A
or
B
1.1 3.8 5.9 1.1 7
ns
t
PHZ
OE
AorB
1.9 4 5 1.9 5.7
ns
t
PLZ
OE
A
or
B
1.6 3.3 4.2 1.6 4.6
ns
t
PZH
CE
AorB
1 3.8 4.9 1 6.2
ns
t
PZL
CE
A
or
B
1.2 4.2 6.5 1.2 7.8
ns
t
PHZ
CE
AorB
2 4.5 5.6 2 6.6
ns
t
PLZ
CE
A
or
B
1.7 3.9 5.1 1.7 5.4
ns