EM44CM1688LBA Datasheet, PDF (25/29 Pages) Eorex Corporation – 1Gb (8M×8Bank×16) Double DATA RATE 2 SDRAM

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EM44CM1688LBA
Address input for Extended Mode Register Set ( EMRS(2) ) * Reserved
BA1 BA0 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
1 0 0 0 0 0 0 SRF 0 0 0 0
PASR
High Temperature Self-Refresh Rate Enable A7
Disable
0
Enable** (85C Tcase 95C)
1
Partial Array Self Refresh
A2
Full array
0
Half Array (BA[1:0]=00&01)
0
Quarter Array (BA[1:0]=00)
0
Not defined
0
3/4 array(BA[1:0]=01,10,&11) 1
Half array (BA[1:0]=10&11)
1
Quarter array (BA[1:0]=11)
1
Not defined
1
A1 A0
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
BA1 BA0
MRS Mode
0
0
Mode Register (MRS)
0
1 Extended Mode Register / EMRS(1)
1
0
EMRS(2) * Reserved
1
1
EMRS(3) * Reserved
Address input for Extended Mode Register Set ( EMRS(3) ) * Reserved
BA1 BA0 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
110000000000000
Feb. 2009
25/29
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