鈥?/div>
3.3V core power supply
2.5V or 3.3V I/O operation with separate V
DDQ
Linear or interleaved burst control
Snooze mode for reduced power-standby
Common data inputs and data outputs
Logic block diagram
LBO
CLK
ADV
ADSC
ADSP
A[18:0]
19
Q0
Burst logic
Q1
19
D
Q
CE
Address
register
CLK
D
DQ
d
Q
Byte write
registers
CLK
D
DQ
Q
c
Byte write
registers
CLK
D
DQ
b
Q
Byte write
registers
CLK
D
DQ
a
Q
Byte write
registers
CLK
D
Enable
CE
register
CLK
Power
down
D
Enable
Q
delay
register
CLK
36/32
DQ[a:d]
Q
4
CLK
CE
CLR
17
19
512K 脳 32/36
Memory
array
GWE
BWE
BW
d
36/32
36/32
BW
c
BW
b
BW
a
CE0
CE1
CE2
OE
Output
buffer
Input
registers
CLK
ZZ
OE
Selection guide
Minimum cycle time
Maximum clock access time
Maximum operating current
Maximum standby current
Maximum CMOS standby current (DC)
-75
8.5
7.5
275
90
60
-85
10
8.5
250
80
60
-10
12
10
230
80
60
Units
ns
ns
mA
mA
mA
12/23/04, v 1.4
Alliance Semiconductor
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