hy5du573222afm Hynix Semiconductor, hy5du573222afm Datasheet - Page 6

• Manufacturer Part Number: hy5du573222afm
• Description: 256m 8mx32 Gddr Sdram
• Manufacturer: Hynix Semiconductor

DM (0~3)
DM (0~3)
BA0,BA1
BA0,BA1
FUNCTIONAL BLOCK DIAGRAM
(4Banks x 1Mbit x 32 I/O) x 2Chips Double Data Rate Synchronous DRAM
Rev. 0.5 / Aug. 2003
A0-A11
A0-A11
/RAS
/RAS
/CAS
/CAS
/CLK
/CLK
/W E
/W E
CKE
CKE
CS0
CS0
CLK
CLK
A0-A11
BA0,BA1
A0-A11
BA0,BA1
CLK
/CLK
CKE
CS1
/RAS
/CAS
/W E
DM(0~3)
CLK
/CLK
CKE
CS1
/RAS
/CAS
/W E
DM(0~3)
Register
Register
Mode
Mode
Control
Control
Bank
Bank
Colum n Address
Colum n Address
Counter
Counter
Register
Register
Decoder
Decoder
Mode
Mode
Row
Row
Mode Register
Mode Register
CLK, /CLK
CLK, /CLK
Control
Control
Bank
Bank
Colum n Address
Colum n Address
1Mx32 /Bank1
1Mx32 /Bank1
1Mx32 /Bank2
1Mx32 /Bank2
1Mx32 /Bank3
1Mx32 /Bank3
Colum n Decoder
Colum n Decoder
1Mx32/Bank0
1Mx32/Bank0
Counter
Counter
W rite Data Register
W rite Data Register
Decoder
Decoder
2-bit PrefetchUnit
2-bit PrefetchUnit
Row
Row
64
64
CLK_DLL
CLK_DLL
Block
Block
DLL
DLL
DS
DS
1Mx32 /Bank1
1Mx32 /Bank1
1Mx32 /Bank2
1Mx32 /Bank2
1Mx32 /Bank3
1Mx32 /Bank3
Colum n Decoder
Colum n Decoder
1Mx32/Bank0
1Mx32/Bank0
W rite Data Register
W rite Data Register
2-bit PrefetchUnit
2-bit PrefetchUnit
CLK_DLL
CLK_DLL
64
64
64bit
64bit
32
32
32
32
Data Strobe
Data Strobe
Transm itter
Transm itter
64bit
64bit
32bit
32bit
DS
DS
DS
DS
DQ[0:31]
LDQS,UDQS
LDQS,UDQS
DQ[0:31]
32bit
32bit
HY5DU573222AFM
Data Strobe
Data Strobe
Data Strobe
Data Strobe
Transm itter
Transm itter
Receiver
Receiver
DS
DS
DQ[0:31]
DQ[0:31]
DQS0 ~
DQS0 ~
DQS3
DQS3
6