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NET2890 Datasheet(PDF) 72 Page - List of Unclassifed Manufacturers

Part # NET2890
Description  USB Interface Controller
PDF  73 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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NET2890 Datasheet(HTML) 72 Page - List of Unclassifed Manufacturers

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Specification
NET2890 USB Interface Controller
____________________________________________________________________________________
NetChip Technology, Inc., 1999
335 Pioneer Way, Mountain View, California 94041
TEL (650) 526-1490
FAX (650) 526-1494
http://www.netchip.com
Rev 2.0, Draft 9, July 16, 1999
72
7.4.7 DMA Read from FIFO
NAME
DESCRIPTION
MIN
MAX
UNIT
T1
DRQ false from read enable true
42
64
ns
T2
Read enable false to DRQ true
60
ns
T9
Read enable width
25
ns
T4
Data access time from read enable
23
ns
T5
Data hold time from end of read enable
0
10
ns
T6
Width of EOT# pulse (see note)
25
ns
* Read enable is the occurrence of both IOR# and DACK#.
Note: EOT#, IOR#, and DACK# must all be true for at least T6 for proper recognition of the EOT# pulse.
T1
T2
T1
T9
T9
T4
T5
T4
T5
T6
D0
D1
0ns
50ns
100ns
150ns
200ns
DRQ
IOR#/DACK#
D[7:0]
EOT#



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