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74ABT646AD,112
P1-P3
P4-P6
P7-P7
4
PS8650B 06/05/06
PI74LVTCH16244
3.3V 16-Bit Buffer/Line Driver
with 3-State Outputs
s
r
e
t
e
m
a
r
a
Pn
o
i
t
p
i
r
c
s
e
Ds
n
o
i
t
i
d
n
o
C
t
s
e
T.
n
i
M.
x
a
Ms
t
i
n
U
V
K
I
e
g
a
t
l
o
V
e
d
o
i
D
p
m
a
l
CV
C
C
V
7
.
2
=I
I
8
1
–
=m
A
V
2
.
1
–
V
V
H
O
e
g
a
t
l
o
V
h
g
i
H
t
u
p
t
u
O
V
C
C
V
6
.
3
o
t
V
7
.
2
=I
H
O
0
0
1
–
=
μ
AV
C
C
V
2
.
0
–
V
C
C
V
7
.
2
=I
H
O
2
1
–
=m
A
2
.
2
V
C
C
V
3
=
I
H
O
2
1
–
=m
A
4
.
2
I
H
O
4
2
–
=m
A
2
.
2
V
L
O
e
g
a
t
l
o
V
w
o
L
t
u
p
t
u
O
V
C
C
V
6
.
3
o
t
V
7
.
2
=I
L
O
0
0
1
=
μ
A2
.
0
V
C
C
V
7
.
2
=I
L
O
2
1
=m
A
4
.
0
V
C
C
V
3
=
I
L
O
2
1
=m
A
4
.
0
I
L
O
4
2
=m
A
5
5
.
0
I
I
t
n
e
r
r
u
C
e
g
a
k
a
e
L
t
u
p
n
I
s
t
u
p
n
I
l
o
r
t
n
o
CV
C
C
V
6
.
3
o
t
V
0
=V
I
V
5
.
5
o
t
V
0
=5
±
A
μ
s
t
u
p
n
I
a
t
a
DV
C
C
V
6
.
3
=
V
I
V
5
.
5
=
5
±
V
I
V
=
C
C
V
I
D
N
G
=
I
)
D
L
O
H
(
I
t
n
e
r
r
u
C
d
l
o
H
t
u
p
n
I
a
t
a
D
V
C
C
V
3
=
V
I
V
8
.
0
=5
7
V
I
V
2
=5
7
–
V
C
C
V
6
.
3
=
)
1
(
V
I
V
6
.
3
o
t
0
=0
0
5
±
I
F
F
O
t
n
e
r
r
u
C
e
g
a
k
a
e
L
t
u
p
t
u
O
f
f
O
r
e
w
o
PV
C
C
V
0
=V
I
r
oV
O
V
5
.
5
o
t
V
0
=5
±
I
Z
O
t
n
e
r
r
u
C
e
g
a
k
a
e
L
t
u
p
t
u
O
e
t
a
t
S
-
3V
C
C
V
6
.
3
o
t
V
7
.
2
=V
O
V
5
.
5
o
t
V
0
=5
±
I
U
P
Z
O
t
n
e
r
r
u
C
e
t
a
t
S
-
3
p
U
-
r
e
w
o
PV
C
C
V
5
.
1
o
t
V
0
=
V
O
,
V
5
.
5
o
t
V
5
.
0
=
e
r
a
c
t
'
n
o
d
=
E
O
5
±
I
D
P
Z
O
t
n
e
r
r
u
C
e
t
a
t
S
-
3
n
w
o
D
-
r
e
w
o
PV
C
C
V
0
o
t
V
5
.
1
=
V
O
,
V
5
.
5
o
t
V
5
.
0
=
e
r
a
c
t
'
n
o
d
=
E
O
5
±
I
C
C
t
n
e
r
r
u
C
y
l
p
p
u
S
r
e
w
o
P
t
n
e
c
s
e
i
u
QV
C
C
V
6
.
3
o
t
V
7
.
2
=
V
I
=V
C
C
D
N
G
r
o
I
O
0
=0
0
1
V
6
.
3
≤
V
I
≤
V
5
.
5
Δ
I
C
C
I
n
i
e
s
a
e
r
c
n
I
C
C
V
C
C
V
6
.
3
o
t
V
3
=
t
a
t
u
p
n
i
e
n
OV
C
C
V
6
.
0
-
)
2
(
t
a
s
t
u
p
n
i
r
e
h
t
OV
C
C
D
N
G
r
o
0
0
2
DC Electrical Characteristics
(Over the Operating Range, T
A
= –40
°C +85°C)
Notes:
1. This is the maximum bus-hold dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
2. This is the increase in supply current for each input that is at the specified TTL voltage level rather than V
CC
or GND.
06-0214
PI74LVTCH16244
3.3V 16-Bit Buffer/Line Driver
with 3-State Outputs
5
PS8650B 06/05/06
Notes:
1. All typical values are measured at V
CC
= 3.3V, T
A
= 25°C
2. C
PD
is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption (I
CCD
) at no
output loading and operating at 50% duty cycle, C
PD
is related to I
CCD
dynamic operating current by the expression:
I
CCD
= (C
PD
)(V
CC
)(f
IN
)+(I
CC
static)
s
r
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t
e
m
a
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a
Pn
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p
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c
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e
Ds
n
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i
t
i
d
n
o
C
t
s
e
T.
p
y
T
)
1
(
s
t
i
n
U
C
I
e
c
n
a
t
i
c
a
p
a
C
t
u
p
n
IV
C
C
,
V
3
.
3
=V
I
=V
C
C
D
N
G
r
o7
.
3
F
p
C
O
e
c
n
a
t
i
c
a
p
a
C
t
u
p
t
u
OV
C
C
,
V
3
.
3
=V
O
=V
C
C
D
N
G
r
o7
C
D
P
e
c
n
a
t
i
c
a
p
a
C
n
o
i
t
a
p
i
s
s
i
D
r
e
w
o
P
)
2
(
V
C
C
V
,
V
3
.
3
=
I
r
o
V
0
=V
,
C
C
z
H
M
0
1
=
f6
1
Capacitance
s
r
e
t
e
m
a
r
a
Pn
o
i
t
p
i
r
c
s
e
D
m
o
r
F
)
t
u
p
n
I
(
o
T
)
t
u
p
t
u
O
(
V
C
C
V
3
.
0
±
V
3
.
3
=V
C
C
V
7
.
2
=
s
t
i
n
U
C
L
R
,
F
p
0
5
=
L
m
h
o
-
0
0
5
=
C
L
R
,
F
p
0
5
=
L
=
m
h
o
-
0
0
5
.
n
i
M.
p
y
T
)
1
(
.
x
a
M.
n
i
M.
x
a
M
t
H
L
P
n
o
i
t
a
g
a
p
o
r
P
y
a
l
e
D
AY
0
.
15
.
24
.
38
.
3
s
n
t
L
H
P
0
.
15
.
24
.
38
.
3
t
H
Z
P
e
l
b
a
n
E
t
u
p
t
u
O
e
m
i
T
E
OY
0
.
19
.
22
.
40
.
5
t
L
Z
P
0
.
10
.
32
.
40
.
5
t
Z
H
P
e
l
b
a
s
i
D
t
u
p
t
u
O
e
m
i
T
E
OY
0
.
15
.
20
.
47
.
4
t
Z
L
P
0
.
14
.
29
.
33
.
4
t
)
O
(
K
S
t
u
p
t
u
O
o
t
t
u
p
t
u
O
w
e
k
S
)
2
(
5
.
0
Switching Characteristics Over Operating Range
Notes:
1. All typical values are measured at V
CC
= 3.3V, T
A
= 25°C
2. Skew between any two outputs, switching in the same direction.
06-0214
6
PS8650B 06/05/06
PI74LVTCH16244
3.3V 16-Bit Buffer/Line Driver
with 3-State Outputs
PARAMETER MEASUREMENT INFORMATION
V
CC
= 2.7V and 3.3V ±0.3V
Load Circuit
t
s
e
T1
S
t
H
L
P
t
/
L
H
P
t
Z
L
P
t
/
L
Z
P
t
Z
H
P
t
/
H
Z
P
n
e
p
O
V
6
D
N
G
Notes:
A.
C
L
includes probe and jig capacitance.
B.
Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
•
All input impulses are supplied by generators having the following characteristics: PRR £ 10 MHz, Z
O
= 50W, t
R
£ 2.5ns, t
F
£ 2.5ns.
•
The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
Voltage Waveforms
Propagation Delay Times
Voltage Waveforms
Enable and Disable Times
Voltage Waveforms
Pulse Duration
Input
t
PLH
t
PHL
0V
Output
V
OH
V
OL
1.5V
1.5V
1.5V
2.7V
1.5V
Input
t
W
1.5V
2.7V
1.5V
0V
t
PZL
Output
Control
(Low Level
Enabling)
0V
1.5V
1.5V
1.5V
1.5V
t
PLZ
t
PHZ
V
OL
+0.3V
3V
0V
t
PZH
Output
Waveform 1
S1 at 6V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
V
OH
-0.3V
V
OH
V
OL
2.7V
500
Ω
500
Ω
6V
Open
GND
S1
From Output
Under Test
C
L
= 50pF
(See Note A)
06-0214
P1-P3
P4-P6
P7-P7
74ABT646AD,112
Mfr. #:
Buy 74ABT646AD,112
Manufacturer:
NXP Semiconductors
Description:
Bus Transceivers OCTAL REGISTERED
Lifecycle:
New from this manufacturer.
Delivery:
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EMS
Payment:
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