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DM9000 датащи(PDF) 49 Page - List of Unclassifed Manufacturers

номер детали DM9000
подробное описание детали  ISA TO ETHERNET MAC CONTROLLER WITH INTEGRATED 10/100 PHY
PDF  54 Pages
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производитель  ETC [List of Unclassifed Manufacturers]
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DM9000 датащи(HTML) 49 Page - List of Unclassifed Manufacturers

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DM9000
ISA to Ethernet MAC Controller with Integrated 10/100 PHY
Final
49
Version: DM9000-DS-F02
June 26, 2002
11.7 Magnetics Selection Guide
Refer to Table 2 for transformer requirements.
Transformers, meeting these requirements, are
available from a variety of magnetic manufacturers.
Designers should test and qualify all magnetics before
using them in an application. The transformers listed
in Table 2 are electrical equivalents, but may not be
pin-to-pin equivalents.
Manufacturer
Part Number
Pulse Engineering
PE-68515, H1078, H1012
H1102
Delta
LF8200, LF8221x
YCL
20PMT04, 20PMT05
Halo
TG22-3506ND, TD22-3506G1, TG22-
S010ND
TG22-S012ND
Nano Pulse Inc.
NPI 6181-37, NPI 6120-30, NPI 6120-37
NPI 6170-30
Fil-Mag
PT41715
Bel Fuse
S558-5999-01
Valor
ST6114, ST6118
Macronics
HS2123, HS2213
Table 2
11.8 Crystal Selection Guide
A crystal can be used to generate the 25MHz
reference clock instead of a oscillator. The crystal
must be a fundamental type, and series-resonant.
Connects to X1_25M and X2_25M, and shunts each
crystal lead to ground with a 22pf capacitor (see figure
6).
21
22
X1_25M
X2_25M
AGND
AGND
C18
22pf
Y1
25M
C19
22pf
Figure 11-6
Crystal Circuit Diagram



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