HYB39S64160AT-10 SIEMENS [Siemens Semiconductor Group], HYB39S64160AT-10 Datasheet - Page 4

• Manufacturer Part Number: HYB39S64160AT-10
• Description: 64 MBit Synchronous DRAM
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Block Diagram for 4 bank x 4M x 4 SDRAM
Semiconductor Group
Column address
counter
Row decoder
Memory array
4096 x 1024
Bank 0
x 4 bit
A0 - A9, AP, BA0, BA1
Column Addresses
Column address
4096 x 1024
Row decoder
Memory array
buffer
Bank 1
x 4 bit
Input buffer
DQ0-DQ3
4
Output buffer
A0 - A11, BA0, BA1
Row Addresses
Row address
Row decoder
Memory array
4096 x 1024
Bank 2
buffer
64MBit Synchronous DRAM
HYB39S64400/800/160AT(L)
x 4 bit
Control logic & timing generator
Refresh Counter
Memory array
4096 x 1024
Row decoder
Bank 3
x 4 bit