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Specification
NET2270 USB Interface Controller
______________________________________________________________________________
NetChip Technology, Inc., 2003
335 Pioneer Way, Mountain View, California 94041
TEL (650) 526-1490
FAX (650) 526-1494
http://www.netchip.com
Rev 3.6, April 17, 2003
85
10.4.6 Local Bus Multiplexed Read
Operating Conditions: VDD: 3.3V ± 5%, TA = 0°C to 70°C, Output Load = 25pF
NAME
DESCRIPTION
MIN
MAX
UNIT
T1
Address setup to falling edge of ALE
5
ns
T2
Address hold from falling edge of ALE
1
ns
T3
ALE Width
5
ns
T6
Data access time from read enable*
35
ns
T7
Data tri-state time from end of read enable*
0
10
ns
T8A
Recovery Time to next read
33
ns
T8B
Recovery Time to next write
33
ns
T9
Recovery Time to next ALE
5
ns
* Read enable is the occurrence of both CS# and IOR#.
T3
T1
T9
T3
T1
T8A
T2
T6
T7
T2
T6
T7
D0
D1
A0
A1
0ns
50ns
100ns
150ns
200ns
250ns
ALE
CS# & IOR#
LD[15:0]
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