net2890 ETC-unknow, net2890 Datasheet - Page 72

• Manufacturer Part Number: net2890
• Description: Interface Controller
• Manufacturer: ETC-unknow

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