
DDR SDRAM
512MB, 1GB, 2GB Registered DIMM
Rev. 1.0 April 2006
Table of Contents
1.0 Ordering Information................................................................................................................... 4
2.0 Operating Frequencies................................................................................................................ 4
3.0 Feature.......................................................................................................................................... 4
4.0 Pin Configuration (Front side/back side) ................................................................................. 5
5.0 Pin Description ............................................................................................................................ 5
6.0 Functional Block Diagram .......................................................................................................... 6
6.1 512MB, 64M x 72 ECC Module (M312L6523DUS)
.............................................................................. 6
6.2 1GB, 128M x 72 ECC Module (M312L2923DUS)
............................................................................... 7
6.3 1GB, 128M x 72 ECC Module (M312L2920DUS)
............................................................................... 8
6.4 512MB, 64M x 72 ECC Module (M312L6523DZ3)...............................................................................................
9
6.5 1GB, 128M x 72 ECC Module (M312L2923DZ3)
.............................................................................. 10
6.6 1GB, 128M x 72 ECC Module (M312L2920DZ3) ..............................................................................................
11
6.7 2GB, 256M x 72 ECC Module (M312L5720DZ3) ..............................................................................................
12
7.0 Absolute Maximum Ratings...................................................................................................... 13
8.0 Power & DC Operating Conditions (SSTL_2 In/Out) .............................................................. 13
9.0 DDR SDRAM IDD spec table ..................................................................................................... 14
9.1 512MB, 64M x 72 ECC Module (M312L6523DUS)
............................................................................ 14
9.2 1GB, 128M x 72 ECC Module (M312L2923DUS)
............................................................................. 14
9.3 1GB, 128M x 72 ECC Module (M312L2920DUS) .............................................................................................
15
9.4 512MB, 64M x 72 ECC Module (M312L6523DZ3)............................................................................................
16
9.5 1GB, 128M x 72 ECC Module (M312L2923DZ3)
.............................................................................. 16
9.6 1GB, 128M x 72 ECC Module (M312L2920DZ3)
.............................................................................. 17
9.7 2GB, 256M x 72 ECC Module (M312L5720DZ3)
.............................................................................. 17
10.0 AC Operating Conditions........................................................................................................ 18
11.0 Input/Output Capacitance ....................................................................................................... 18
12.0 AC Timming Parameters & Specifications ............................................................................ 19
13.0 System Characteristics for DDR SDRAM .............................................................................. 20
14.0 Component Notes.................................................................................................................... 21
15.0 System Notes ........................................................................................................................... 22
16.0 Command Truth Table............................................................................................................. 23
17.0 Physical Dimensions............................................................................................................... 24
17.1 64M x 72 (M312L6523DUS)
........................................................................................................ 24
17.2 128M x 72 (M312L2923DUS), (M312L2920DUS)
............................................................................ 25
17.3 64M x 72 (M312L6523DZ3)
........................................................................................................ 26
17.4 128M x 72 (M312L2923DZ3), (M312L2920DZ3)
............................................................................. 27
17.5 256M x 72 (M312L5720DZ3)
....................................................................................................... 28