YTD427 [ETC]
ISDN DSU Analog Front End; DSU ISDN模拟前端
| 型号： | YTD427 |
| 厂家： | 
ETC |
| 描述： | ISDN DSU Analog Front End |
| 文件： | 总23页 (文件大小：169K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
YTD427
IAFE
APPLICATION MANUAL
ISDN DSU Analog Front End
YTD427 APPLICATION MANUAL
CATALOG No. : LSI-6TD427A2
1997.12
U reference point
interface
ADC
Peak Holder
Filter
AGC
(Receive data)
Digital
I/F
YTD426B
D2
D1
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
16
15
14
13
12
11
10
9
DVDD
STRBN
RWN
D0
DVDD
DVDD
ADCK
TEST4
TEST3
TEST2
TEST1
TEST0
RSTN
FTHN
NC4
TEST6
A0
A1
TEST5
NC3
NC2
8
7
6
5
4
3
NC1
DVSS
AVSS
SXB
SXA
DVSS
AVSS
2
1
SGBP
SGB
R=3.9k
(1%)
YTD427
RXU
R=1.2k
(1%)
SGR
℃
℃
℃
、
℃
℃
～
℃
～
℃
～
℃
18.70 ± 0.40
14.00 ± 0.20
48
33
32
49
64
17
16
1
P-0.80 TYP.
0.35 ± 0.10
(2.35 ± 0.20)
0-10°
(1.50 ± 0.20)
LEAD THICKNESS : 0.15 +0.10 -0.05
(UNIT) : mm (millimeters)
The shape of the molded corner may be slightly different from the shape in this diagram.
The figure in the parenthesis ( ) should be used as a reference.
Plastic body dimensions do not include burr of resin.
YTD426B
YTD427
S/T reference point
TTL interface
DV
x4
DD
ADDRES0,1
AFEDATA0～15
RWN
A0,A1
D0～D15
RWN
STRBN
ADCK
0.1u
0.1u
DV x4
SS
STRBN
CLK64
AV
DD
AV
x4
DD
TAMIRP
TAMIRM
TAMITP
TAMITM
RESET
RSTN
CLKOUT
CLK256K
CLK192K
CLK400
LOOP2A
QINFO1C
RBHW
AV x4
SS
A
10k
TEST3
FTHN
15.36MHz
RESET
CLK1536
RESET
TESTOUT0～15
NC
NC1～4
TEST0,1,2,4,5,6
SGA
RXS
0.0047u(10%)
0.0022u(10%)
0.015u(10%)
0.15u(10%)
10k
10k
10k
10k
10k
10k
10k
10k
10k x16
10k
EXID
TSMPSEL
TSMPAUT
TRPSEL
MULTI
IOSEL
ATEI
V
DD
ATEO
1u
SGB
A
0.1u
V
SS
BCHIF
MASLV
VRBS
VRB
SGBP
A
TESTIN0～11,13,15,16,17
TESTN18
TESTIN22,23
TESTUDR
TMODE0～4
SXA
SXB
U reference
point
0.1u
10k x2
10k
10k x5
VRTS
VRT
A
RXU
SGR
0.33u(10%)
1.2k(1%)
A
POWMON
EXTCLK
TBHW
1u/160V
TRTEPC9.8-0319C
TDK
15(1/2W) KP15N14
3.9k(1%)
RSYNC,TSYNC
LPA,LP4B1,LP4B2
BCHSET0,1,2
TESTIN12,14
TESTIN19,20,21,24
8
7
6
5
4
3
2
KP4N12
1
UAMITP
UAMITM
VRYA15
0.01u(10%)
(3.3uH)
15(1/2W)
KP15N14
2SJ278
8(1%)
2SK2315
2SJ278
8(1%)
(3.3uH)
TDK
NL322522T-3R3J
Line activation circuit
2SK2315
UAMITMN
UAMITPN
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