HYB18T1G400BF_07 Datasheet, PDF (21/74 Pages) Qimonda AG – 1-Gbit Double-Data-Rate-Two SDRAM

Internet Data Sheet
2.4
1-Gbit DDR2 Addressing
This chapter describes the 1-Gbit DDR2 addressing.
Configuration
Bank Address
Number of Banks
Auto-Precharge
Row Address
Column Address
Number of Column Address Bits
Number of I/Os
Page Size [Bytes]
1) Referred to as ’org’
2) Referred to as ’colbits’
3) PageSize = 2^colbits × org/8 [Bytes]
256Mb x 4¹⁾
BA[2:0]
8
A10 / AP
A[13:0]
A11, A[9:0]
11
4
1024 (1K)
HY[B/I]18T1G[40/80/16]0B[C/F](L/V)
1-Gbit Double-Data-Rate-Two SDRAM
TABLE 16
DDR2 Addressing for ×4 Organization
Note
2)
3)
Configuration
Bank Address
Number of Banks
Auto-Precharge
Row Address
Column Address
Number of Column Address Bits
Number of I/Os
Page Size [Bytes]
1) Referred to as ’org’
2) Referred to as ’colbits’
3) PageSize = 2^colbits × org/8 [Bytes]
128Mb x 8¹⁾
BA[2:0]
8
A10 / AP
A[13:0]
A[9:0]
10
8
1024 (1K)
TABLE 17
DDR2 Addressing for ×8 Organization
Note
2)
3)
Rev. 1.3, 2007-07
21
03062006-ZNH8-HURV