YTD428 YAMAHA [YAMAHA CORPORATION], YTD428 Datasheet - Page 9

• Manufacturer Part Number: YTD428
• Description: DSU LSI for the ISDN Terminal Equipment
• Manufacturer: YAMAHA [YAMAHA CORPORATION]

(V
Note 1
Note 2
Note 3
T
R
i R
F
P
T
P
R
l l a
a h
a h
a r
c e
x
x
e s
DD
T Reference Point Receive Characteristic (NT mode)
s n
a
e s
e s
s
i e
i T
d n
g i
AC Characteristics
i T
HRD
LRD
HTD
LTD
m
e v
i D
D
a n
m
= 5.0 V, T
m
t i
R
f f i
P
e
s l
i f f
P
e
x
With respect to using the Fixed timing
With respect to using the Adaptive timing
This value shows the difference between two terminals which are connected with bus system.
P
l u
r e
a
l u
r e
s
a r
e s
g i
n e
e s
n e
m
a n
W
e c
e c
W
t e
s l
d i
e b
r e
d i
e b
h t
h t
w t
op
w t
e
e
n e
= -20 ~ 70 C, Load Capacity: C
n e
S
y
t
t
t
t
R
m
T
t
t
T
T
t
t
P
P
P
P
P
P
R
R
H
H
R
F
W
W
b
D
D
l o
F
t
C
Figure 1 Timing At T Ref. Pt. Interface
RPW
N
N
o
N
N
N
N
n
o
o
o
o
o
o
d
e t
e t
e t
e t
e t
e t
t i
, 1
, 2
o i
2
1
3
3
n
t
RPW
M
. 5
0 1
0 1
L
0 0
i
0 .
0 .
. n
L
= 50 pF)
t
TRD
5
5
T
2 .
2 .
y
8 0
8 0
. p
F
t
t
M
TPW
FD
. 5
4 1
2 4
2
4
2
0 3
0 6
a
0 4
0 .
0 .
0 .
0 .
t
. x
PR
Transmit data slot
L
U
t
s µ
s µ
s µ
s µ
s µ
s µ
n
s n
s n
TPW
s t i
t
PF
Receive data slot
2.0 V
0.8 V
2.0 V
0.8 V
2.4 V
0.4 V
2.4 V
0.4 V
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