hy5du561622flfp Hynix Semiconductor, hy5du561622flfp Datasheet - Page 6

• Manufacturer Part Number: hy5du561622flfp
• Description: 256mb Ddr Sdram
• Manufacturer: Hynix Semiconductor

Rev. 1.0 /Nov. 2007
FUNCTIONAL BLOCK DIAGRAM (16Mx16)
4Banks x 4Mbit x 16 I/O Double Data Rate Synchronous DRAM
A0
A1
A
BA0
BA1
CLK
/CLK
CKE
/CS
/RAS
/CAS
/WE
max
Comman
Decoder
Address
Buffer
d
Register
Mode
Control
Column Address
Bank
Counter
Decoder
Row
/CLK
CLK,
Write Data Register
2-bit Prefetch Unit
4Mx16 BANK 0
4Mx16 BANK 3
4Mx16 BANK 2
4Mx16 BANK 1
Register
Mode
Memory
Register
Array
Block
Cell
Mode
DLL
Decoder
Column
32
CLK_DLL
UDQS,
LDQS
32
16
Data Strobe
Data Strobe
HY5DU561622F(L)FP
Transmitter
Receiver
16
DQ15
DQ0
LDM,
UDM
LDQS,
UDQS
UDQS,
LDQS
6