HY5DU12822DFP-D43 Datasheet, PDF (7/29 Pages) Hynix Semiconductor – 512Mb DDR SDRAM

1
HY5DU12822DF(P) / HY5DU121622DF(P)
FUNCTIONAL BLOCK DIAGRAM (32Mx16)
4Banks x 8Mbit x 16 I/O Double Data Rate Synchronous DRAM
Write Data Register
2-_Rb^Megi^ot_idsteP_errefetch Unit
16
32
LDM,
UDM
LDQS,
UDQS
CLK
/CLK
CKE
/CS
/RAS
/CAS
/WE
A0
A1
Amax
BA0
BA1
Command
Decoder
Address
Buffer
Bank
Control
Mode
Register
Row
Decoder
8Mx16 BANK 3
8Mx16 BANK 2
8Mx16 BANK 1
8Mx16 BANK 0
32
Memory
Cell
Array
DQ0
16
DQ15
Column Address
Counter
CLK,
/CLK
Column
Decoder
CLK_DLL
DLL
Block
UDQS,
LDQS
Data Strobe
Transmitter
Data Strobe
Receiver
UDQS,
LDQS
Mode
Register
Rev 1.0 / May 2007
7