GS9000DCTJ 데이터 시트보기 (PDF) - Gennum -> Semtech
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GS9000DCTJ Datasheet PDF : 9 Pages
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TYPICAL APPLICATION CIRCUIT - Adjustment Free Multi-standard Serial To Parallel Convertor
Serial Data
Output
1uF
8.2nH
75
1uF Vcc
Vcc
100nF
100nF
Vcc
37.5
SDO
SDO
VEE
RSET
VCC
SDI
SDI
VEE
Vcc
LOCK
150
Vcc
CD
150
Vcc
Vcc
CLK_EN
Vcc
150
CLK_EN
Vcc
Vcc
100nF
Vcc
Vcc
44 43 42 41 40 39 38 37 36 35 34
DDI 1
33 VEE
Serial Data Input
Vcc
DDI 2
32 SDO
VCC_75
3
SDO
31
VCC 4
30 VEE
37.5
75
75
Vcc
VEE
5
10n SDI
6
SDI 7
10n VCC 8
VEE
9
GS7025
(2)
SCO
29
SCO
28
VEE
27
26 NC
Vcc
NC
25
CD_ADJ 10
24 270
AGC-
Vcc
11
NC
23
100k
Pot
12 13 14 15 16 17 18 19 20 21 22
Vcc
100pF
Vcc
1.8k
15nF
100
100
4 3 2 1 28 27 26
SDI 5
100
PD7
25
SDI 6
PD6
100
24
SCI 7
PD5
100
23
SCI 8
GS9000D
PD4
100
22
SS1 9
PD3
100
21
SS0 10
PD2
100
20
SSC 11
PD1
100
19
100
12 13 14 15 16 17 18
Vcc
Vcc
Vcc
68k
*
3.3pF
(1) Typical value for input return loss matching
(2) The GS7025 can be replaced by either the GS9025A or GS9035A for
applications at data rates less then 270Mb/s or when equalization is not required
NOTE: Value of SDO and SCO
pull-up resistors is 90.9Ω ± 1%
Fig. 11
GS9000D and GS7025 INTERCONNECTIONS
Figure 11 shows an application of the GS9000D in a
270Mb/s serial to parallel converter. This circuit uses the
GS7025 Serial Digital Receiver. For datarates below 270Mb/s
the GS9025A can be used. If cable equalization is not
required the GS7025 or GS9025A may be replaced with a
GS9035A Reclocker IC.
The GS9028 Cable Equalizer allows a serial loop through
after the reclocker.
GENNUM CORPORATION
8 of 9
18784 - 3
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