HY5DS573222F Datasheet, PDF (6/28 Pages) Hynix Semiconductor – 256M(8Mx32) GDDR SDRAM

1HY5DS573222F(P)
FUNCTIONAL BLOCK DIAGRAM
4Banks x 2Mbit x 32 I/O Double Data Rate Synchronous DRAM
CLK
/CLK
CKE
/CS
/RAS
/CAS
/WE
DM(0~3)
Command
Decoder
Bank
Control
Mode
Register
Row
Decoder
Write Data Register
32
2-bit Prefetch Unit
64
2Mx32/Bank0
2Mx32 /Bank1
2Mx32 /Bank2
2Mx32 /Bank3
64
32
DS
DQ[0:31]
A0-11
BA0,BA1
Address
Buffer
Column Decoder
Column Address
Counter
CLK_DLL
DS
CLK,
/CLK
DLL
Block
Mode
Register
DQS(0~3)
Data Strobe
Transmitter
Data Strobe
Receiver
Rev. 1.0 / Feb. 2005
6