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UPD9903 Datasheet(PDF) 21 Page - NEC

Part # UPD9903
Description  UPD9903 ANALOG SUBSCRIBER LINE LSI DIGITAL CODEC
PDF  28 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD9903 Datasheet(HTML) 21 Page - NEC

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48 25
27
29
+
–
1 F
(6 V)
µ
CVCC
R
T1
T2
VCC
(+5 V)
ACOM
TB
37
Q1
TE
38
TEF
24
RTE
TS
40
RS
42
3.6 k
Ω (1 %, 1 W)
32
RRE
44
3.6 k
Ω (1 %, 1 W)
RB
45
Q4
RE
REF
D1
D2
D4
D3
50
Ω
(0.5 %, 1 W)
Z1
Z2
RFR
50
Ω
(0.5 %, 1 W)
TS
RS
TEST0
TEST1
TEST2
TEST3
G
CR
T1
R
RFT
T2
VBB (–48 V)
23 47 31 15 46 36 33 34
–
+
CVBB
0.1 F
(100 V)
µ
–
+
+
–
CPSR
0.68 F
(50 V)
µ
CDC
0.68 F
(10 V)
µ
PC7073
(BS-LSI)
µ
–
CAC
0.68 F (50 V)
µ
9
10
1
2
3
4
5
19
18
17
20
21
22
6
7
8
39
48
47
46
45
44
30
31
32
29
28
27
43
42
41
TX
BIAS
RX
DCOUT3
DCOUT2
DCOUT1
DCIN1
DCIN2
BCUT
ALM
PD
RC1
RC2
RC3
BBOUT
ASCN
AGDT
PC9903
(HCS-LSI)
µ
AIN
AOUT
CDIN3
CDIN2
CDIN1
DCOUT1
DCOUT2
BCUT
ALM
PD
RC1
RC2
RC3
BBIN
ASCN
AGDT
ACOMIN
ACOMOUT
HWX 23
HWX
TYPE 24
TYPE
FS 22
FS
DCLK 21
DCLK
HWR 20
HWR
EXD 19
EXS 18
RST 17
AUX/MODE 14
+
–
0.1 F
(5 V)
µ
CCOM
CVDD
0.1 F
(6 V)
µ
11 12 13 16
15
RSUS
1 k
Ω
RBSY
1 k
Ω
2 k
Ω
RPULL
VDD
(+5 V)
37
38
40
36 35 34 33
26 25
Ring-Trip detector
+
–
CGDT
0.68 F
(10 V)
µ
AUX/MODE
EXD
EXS
RST
35
11



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