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Interrupt and Collision Detection Features
2.5 V power supply for the core
LVTTL compatible, selectable 3.3V or
2.5V power supply for I/Os, addresses,
clock and control signals on each port
Snooze modes for each port for standby
operation
15mA typical standby current in power
down mode
Available in 256-pin Ball Grid Array
(BGA), 208-pin Plastic Quad Flatpack
(PQFP) and 208-pin fine pitch Ball Grid
Array (fpBGA)
Supports JTAG features compliant with
IEEE 1149.1
Selection guide
Feature
Minimum cycle time
Maximum Pipeline clock frequency
Maximum Pipeline clock access time
Maximum flow-through clock frequency
Maximum flow-through clock access time
Maximum operating current
Maximum snooze mode current
-250
4
250
2.8
150
6.5
TBD
18
-200
5
200
3.4
133
7.5
350
18
-166
6
166
3.6
100
10
300
18
-133
7.5
133
4.2
83
12
260
18
Units
ns
MHz
ns
MHz
ns
mA
mA
9/30/04; v.1.3
Alliance Semiconductor
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