Internet Data Sheet
HY[B/I]18T1G[40/80/16]0B[C/F](L)
1-Gbit Double-Data-Rate-Two SDRAM
2.3
1-Gbit DDR2 Addressing
This chapter describes the 1-Gbit DDR2 addressing.
TABLE 13
DDR2 Addressing for ×4 Organization
Configuration
256Mb x 41)
Note
Bank Address
BA[2:0]
8
Number of Banks
Auto-Precharge
A10 / AP
A[13:0]
A11, A[9:0]
11
Row Address
Column Address
Number of Column Address Bits
Number of I/Os
2)
3)
4
Page Size [Bytes]
1024 (1K)
1) Referred to as ’org’
2) Referred to as ’colbits’
3) PageSize = 2colbits × org/8 [Bytes]
TABLE 14
DDR2 Addressing for ×8 Organization
Configuration
128Mb x 81)
Note
Bank Address
BA[2:0]
8
Number of Banks
Auto-Precharge
A10 / AP
A[13:0]
A[9:0]
10
Row Address
Column Address
Number of Column Address Bits
Number of I/Os
2)
3)
8
Page Size [Bytes]
1024 (1K)
1) Referred to as ’org’
2) Referred to as ’colbits’
3) PageSize = 2colbits × org/8 [Bytes]
Rev. 1.2, 2007-05
18
03062006-ZNH8-HURV
QIMONDA [ QIMONDA AG ]
