HY5DU561622ALT-K HYNIX [Hynix Semiconductor], HY5DU561622ALT-K Datasheet - Page 8

• Manufacturer Part Number: HY5DU561622ALT-K
• Description: 256M-S DDR SDRAM
• Manufacturer: HYNIX [Hynix Semiconductor]

Rev. 0.4/ May. 02
FUNCTIONAL BLOCK DIAGRAM (16Mx16)
4Banks x 4Mbit x 16 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
4Mx16 / Bank0
4Mx16 / Bank1
4Mx16 / Bank2
4Mx16 / Bank3
Column Decoder
Write Data Register
2-bit Prefetch Unit
Register
Block
Mode
DLL
32
CLK_DLL
UDQS
LDQS
32
16
16
Data Strobe
Data Strobe
Transmitter
Receiver
LDQS, UDQS
HY5DU56422A(L)T
HY5DU56822A(L)T
HY5DU561622A(L)T
LDM, UDM
LDQS, UDQS
DQ[0:15]
8