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NT5DS64M4AT NT5DS64M4AW
NT5DS32M8AT NT5DS32M8AW
256Mb Double Data Rate SDRAM
REV 1.1
12/2001
10
© NANYA TECHNOLOGY CORP. All rights reserved.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Mode Register Operation
A8
A7
A6
A5
A4
CAS Latency
A3
A2
A1
A0
Burst Length
BT
Address Bus
CAS Latency
A6
A5
A4
Latency
0
0
0
Reserved
0
0
1
Reserved
0
1
0
2
0
1
1
Reserved
1
0
0
Reserved
1
0
1
Reserved
1
1
0
2.5
1
1
1
Reserved
Burst Length
A2
A1
A0
Burst Length
0
0
0
Reserved
0
0
1
2
0
1
0
4
0
1
1
8
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved
BA1
BA0
A11 A10
A9
0*
0*
Mode Register
Operating Mode
* BA0 and BA1 must be 0, 0 to select the Mode Register
(vs. the Extended Mode Register).
A12 - A9
A8
A7
A6 - A0
Operating Mode
0
0
0
Valid
Normal operation
Do not reset DLL
0
1
0
Valid
Normal operation
in DLL Reset
0
0
1
VS**
Vendor-Specific
Test Mode
−
−
−
Reserved
A3
Burst
Type
0
Sequential
1
Interleave
VS** Vendor Specific
A12