hm5216805 Renesas Electronics Corporation., hm5216805 Datasheet - Page 8

• Manufacturer Part Number: hm5216805
• Description: 16 M Lvttl Interface Sdram 100 Mhz/83 Mhz 1-mword 8-bit 2-bank/2-mword 4-bit 2-bank - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HM5216805 Series, HM5216405 Series
Block Diagram (HM5216405 Series)
8
Column address
Input
buffer
counter
2048 row X 1024 column X 4 bit
I/O0 – I/O3
Memory array
Row decoder
Bank 0
buffer
Output
A0 – A9
Column address
buffer
A0 – A11
2048 row X 1024 column X 4 bit
timing generator
Control logic &
Row address
buffer
Row decoder
Memory array
Bank 1
A0 – A11
Refresh
counter