YTD428_07 YAMAHA [YAMAHA CORPORATION], YTD428_07 Datasheet - Page 14

• Manufacturer Part Number: YTD428_07
• Description: IDSU ISDN DSU for Terminal Equipment
• Manufacturer: YAMAHA [YAMAHA CORPORATION]

Note 1 Outputs “L” when the YTD428 is set to not output the clock. In addition, if the YTD428 is not synchronized to the network,
Note 2 Clock is output when REV = “H.”
These are for LSI examinations, and not used in normal operation.
Be sure that each pin is set as bellow.
8
4
4
6
, 7
, 9
, 6
51 ~ 5 , 4
P
P
, 8
0 7
Clock Output Pins
Test Pins
5
8
n i
n i
, 7
1 9
5 7
, 0
1
4
2 3
2 6
4 6
4 9
6
9 7
1 6
3 6
~
0 0
1
, 8
, 9
N
N
6
1 8
~
~
3 7
, 7
the frequency of the output clock is not guaranteed.
. o
. o
4
0 9
3 9
8 7
, 9
2
P
C
C
P
, 3
T
C
C
T
T
C
n i
n i
T
T
6 1
2 1
L
L
A
2
1
2
T
E
T
A
L
L
E
E
L
E
E
K
K
, 1
5 2
, 1
E
S
E
T
K
K
S
S
N
N
~
T
K
S
S
~
~
1
2
T
S
S
E
T
T
T
T
I E
2
4
2 2
4 2
a
a
2 9
4
6 5
, 9
~
1
T
9 1
T
5 1
O
8 2
0 2
0 0
0 0
m
, 0
, 1
m
K
, 0
K
K
7 2
e
e
O
O
O
O
O
O
/ I
/ I
I
I
I
I
I
I
I
I
O /
O /
O /
O /
U
U
U
U
U
U
N
N
N
N
O
O
T
T
T
T
T
T
1
O
O
2
O
2
O
O
U
U
U
U
U
U
U
U
4
4
T
T
T
T
T
T
T
T
T
T
2 9
6 5
0 0
0 0
e
e
e
e
e
e
e
h
e
e
t u
t u
t u
t u
t u
u s
u s
u s
u s
u s
u s
u s
u s
k
t s
t s
t s
t s
t s
t s
t s
t s
t s
s i
H
u p
u p
u p
u p
u p
l a
l a
l a
l a
l a
l a
l a
l a
k
k
H
H
z
p
p
p
p
p
p
p
p
p
p
H
H
y l
y l
y l
y l
y l
y l
y l
y l
c t
c t
c t
c t
c t
z
z
n i
n i
n i
n i
n i
n i
n i
n i
n i
n i
c
z
z
o l
c
c
f
f
f
u p
u p
f
f
u p
o l
o l
o l
o l
o l
c
m
c
o l
o l
x i
x i
x i
x i
x i
k c
o l
o l
k c
k c
k c
k c
k c
l l
l l
l l
k c
k c
u
d e
d e
d e
d e
d e
k c
t s
d e
k c
u (
p u
p u
w
w
w
w
w
u (
u (
o t
o t
o t
o t
o t
e b
u s
u (
h
h
u (
h
h
h
p u
u s
u s
o t
o t
n e
n e
n e
n e
n e
"
L "
"
L "
L "
u s
l a
u s
e l
H
H
l a
l a
o t
"
"
y l
l a
. "
. "
. "
t f
C
C
l a
C
C
C
. "
. "
H
H
y l
y l
y l
"
L
L
y l
L
L
L
f
. "
. "
n u
H
x i
K
K
K
f
K
f
K
x i
x i
f
f
. "
o c
d e
x i
S
S
S
S
S
x i
d e
d e
E
E
E
E
E
n n
d e
d e
L
o t
L
L
L
L
o t
o t
c e
o t
=
=
=
=
=
o t
L "
e t
L "
L "
"
"
"
L "
L "
L "
) "
L "
" L
" L
" L
. d
F
F
) "
) "
. "
. "
) "
u
u
) "
n
a
a
a
n
d n
d n
d n
t c
t c
o i
o i
L
L
L
n
n
O
O
O
C
C
C
A
A
A
L
L
L
=
=
=
L "
L "
L "
. "
. "
. "
i w
i w
R
N
N
N
N
R
N
e
o
o
o
o
h t
r
h t
r
m
e t
e t
e t
e t
e
o
s e
s e
m
e t
r a
u p
u p
t s i
t s i
1
1
1
1
r a
2 ,
2 ,
2 ,
2 ,
1
s k
- l l
r o
- l l
r o
s k
p u
p u