HY5DU12822DT-D43 Datasheet, PDF (6/29 Pages) Hynix Semiconductor – 512Mb DDR SDRAM

FUNCTIONAL BLOCK DIAGRAM (64Mx8)
4Banks x 16Mbit x 8 I/O Double Data Rate Synchronous DRAM
1HY5DU12822D(L)TP
HY5DU121622D(L)TP
Write Data Register
2-_Rb^Megi^ot_idsteP_errefetch Unit
8
DS
16
CLK
/CLK
CKE
/CS
/RAS
/CAS
/WE
DM
A0
A1
Amax
BA0
BA1
Command
Decoder
Address
Buffer
Bank
Control
Mode
Register
Row
Decoder
16Mx8 BANK 3
16Mx8 BANK 2
16Mx8 BANK 1
16Mx8 BANK 0
16
Memory
Cell
Array
DQ0
8
DQ7
Column Address
Counter
CLK,
/CLK
Column
Decoder
CLK_DLL
DS
DLL
Block
Mode
Register
DQS
Data Strobe
Transmitter
Data Strobe
Receiver
Rev. 1.0 / May 2007
6