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參數(shù)資料
| 型號(hào)： | YTD427 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ISDN DSU Analog Front End |
| 中文描述： | 綜合業(yè)務(wù)數(shù)字網(wǎng)DSU的模擬前端 |
| 文件頁(yè)數(shù)： | 4/23頁(yè) |
| 文件大?。?/td> | 172K |
| 代理商： | YTD427 |
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10
CHAPTER
3.
PIN
DESCRIPTIONS
Pin
No.
Pin
Name
I/O
F
unction
Remarks
38
ADCK
IN
ADC
op
eration
clo
c
k
signal
Connected
to
CLK640K
of
YTD426B.
39
TEST4
IN
T
est
input
4
Connected
to
D
V
SS
.
40
TEST3N
I/O
T
est
input
3
Usually
xed
to
"H".
41
TEST2
IN
T
est
input
2
Connected
to
D
V
SS
.
42
TEST1
IN
T
est
input
1
Connected
to
D
V
SS
.
43
TEST0
IN
T
est
input
0
Connected
to
D
V
SS
.
44
RSTN
IN
Reset
input
pin
\L"
:
Reset
time
is
2s(minim
um)
45
FTHN
IN
T
est
input
Usually
xed
to
"H".
46
NC4
IN
Un
used
Connected
to
D
V
SS
.
49
VRBS
OUT
ADC
reference
p
o
w
er
supply
output
(lo
wv
oltage)
50
VRB
IN
ADC
reference
p
o
w
er
supply
input
(lo
wv
oltage)
51
VR
T
IN
ADC
reference
p
o
w
er
supply
input
(high
v
oltage)
52
VR
TS
OUT
ADC
reference
p
o
w
er
supply
output
(high
v
oltage)
53,
54,
62,
63
A
V
DD
PWR
Analog
p
o
w
er
supply
All
pins
m
ust
be
joined
together.
55
A
TEI
IN
T
est
signal
input
Connected
to
A
V
SS
.
56
A
TEO
I/O
T
est
signal
input,
output
Connected
to
A
V
SS
.
57
SGR
OUT
Analog
signal
reference
output
60
RXU
IN
Receiv
e
signal
input
61
SGA
0
Connect
a
0.0047F
capacitor
across
SGA
and
SGR.
64
RXS
0
Connect
a
0.0022F
capacitor
across
RXS
and
SGR.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| YTD428-S | DATACOM, DIGITAL SLIC, PQFP100 |
| YTD428 | DSU LSI for the ISDN Terminal Equipment(用于ISDN終端設(shè)備的數(shù)據(jù)服務(wù)集成電路) |
| YTD436-S | DATACOM, ISDN CONTROLLER, PQFP100 |
| YTD436 | ISDN BRI controller with S/T ref. pt. analog D/R(帶S/T基準(zhǔn)和模擬D/R的ISDN BRI控制器) |
| YTD439-S | DATACOM, DIGITAL SLIC, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| YTD427F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| YTD428 | 制造商:YAMAHA 制造商全稱:YAMAHA CORPORATION 功能描述:DSU LSI for the ISDN Terminal Equipment |
| YTD428_07 | 制造商:YAMAHA 制造商全稱:YAMAHA CORPORATION 功能描述:IDSU ISDN DSU for Terminal Equipment |
| YTD428S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ISDN Line Interface |
| YTD436 | 制造商:YAMAHA 制造商全稱:YAMAHA CORPORATION 功能描述:ISTC ISDN BRI controller with S/T ref. pt. analog D/R |
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