Datasheet
SN54LVTH16543, SN74LVTH16543
3.3-V ABT 16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS699D – JULY 1997 – REVISED APRIL 1999
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVTH16543 SN74LVTH16543
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
t
w
Pulse duration, LEAB or LEBA low 3.3 3.3 3.3 3.3 ns
A or B before
Data high 0.5 0.5 0.5 0.5
t
Setup time
A
or
B
before
LEAB↑ or LEBA↑
Data low 0.8 1.3 0.8 1.3
ns
t
su
S
e
t
up
ti
me
A or B before
Data high 0 0 0 0
ns
A
or
B
before
CEAB↑ or CEBA↑
Data low 0.6 1.1 0.6 1.1
A or B after
Data high 1.5 0.7 1.5 0.7
t
h
Hold time
A
or
B
after
LEAB↑ or LEBA↑
Data low 1.2 1.3 1.2 1.3
ns
t
h
Hold
time
A or B after
Data high 1.7 0.9 1.7 0.9
ns
CEAB↑ or CEBA↑
Data low 1.6 1.8 1.6 1.8
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTH16543 SN74LVTH16543
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
UNIT
MIN MAX MIN MAX MIN TYP
†
MAX MIN MAX
t
PLH
AorB
BorA
1.1 3.4 3.9 1.2 2.3 3.2 3.7
ns
t
PHL
A
or
B
B
or
A
1.1 3.4 3.9 1.2 2.1 3.2 3.7
ns
t
PLH
LE
AorB
1.2 4.1 5.1 1.3 2.5 3.9 4.9
ns
t
PHL
LE
A
or
B
1.2 4.1 5.1 1.3 2.3 3.9 4.9
ns
t
PZH
OE
AorB
1.2 4.5 5.6 1.3 2.8 4.3 5.4
ns
t
PZL
OE
A
or
B
1.2 4.5 5.6 1.3 2.8 4.3 5.4
ns
t
PHZ
OE
AorB
1.9 4.9 5.4 2 3.5 4.7 5.2
ns
t
PLZ
OE
A
or
B
1.9 4.6 4.7 2 3.3 4.4 4.5
ns
t
PZH
CE
AorB
1.2 4.7 5.8 1.3 3 4.5 5.6
ns
t
PZL
CE
A
or
B
1.2 4.7 5.8 1.3 3 4.5 5.6
ns
t
PHZ
CE
AorB
1.9 5.1 5.6 2 3.6 4.9 5.4
ns
t
PLZ
CE
A
or
B
1.9 4.9 5.1 2 3.5 4.7 4.9
ns
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
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design phase of development. Characteristic data and other
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