hy5du561622at Hynix Semiconductor, hy5du561622at Datasheet - Page 7

• Manufacturer Part Number: hy5du561622at
• Description: 256m-s Ddr Sdram
• Manufacturer: Hynix Semiconductor

Rev. 0.4/ May. 02
FUNCTIONAL BLOCK DIAGRAM (32Mx8)
4Banks x 8Mbit x 8 I/O Double Data Rate Synchronous DRAM
CLK
/CLK
CKE
/CS
/RAS
/CAS
/WE
ADD
BA
Command
Decoder
Address
Buffer
Register
Mode
Control
Bank
Column Address
Counter
Decoder
Row
CLK,
/CLK
Column Decoder
8Mx8 / Bank0
8Mx8 / Bank1
8Mx8 / Bank2
8Mx8 / Bank3
Write Data Register
2-bit Prefetch Unit
Register
Block
Mode
DLL
16
CLK_DLL
DQS
16
8
8
Data Strobe
Data Strobe
Transmitter
Receiver
HY5DU56422A(L)T
HY5DU56822A(L)T
HY5DU561622A(L)T
DQS
DM
DQS
DQ[0:7]
7