hyb39s256400 Infineon Technologies Corporation, hyb39s256400 Datasheet - Page 6

• Manufacturer Part Number: hyb39s256400
• Description: 256 Mbit Synchronous Dram
• Manufacturer: Infineon Technologies Corporation

Block Diagram for 32M x 8 SDRAM ( 13 / 10 / 2 addressing)
INFINEON Technologies
Column Address
Counter
Decoder
Memory
Bank 0
x 1024
x 8 Bit
Array
8192
Row
Input Buffer
DQ0 - DQ7
Column Addresses
Column Address
Output Buffer
A0 - A9, AP,
BA0, BA1
Buffer
Decoder
Memory
Bank 1
x 1024
x 8 Bit
Array
8192
Row
6
HYB39S256400/800/160DT(L)/DC(L)
Row Addresses
Row Address
BA0, BA1
A0 - A12,
Buffer
256MBit Synchronous DRAM
Decoder
Memory
Bank 2
x 1024
x 8 Bit
Array
8192
Row
Timing Generator
Control Logic &
Refresh Counter
Decoder
Memory
Bank 3
x 1024
x 8 Bit
Array
8192
Row
SPB04128
2002-04-23