hy5du561622ftp-4i Hynix Semiconductor, hy5du561622ftp-4i Datasheet - Page 6

• Manufacturer Part Number: hy5du561622ftp-4i
• Description: 256m 16mx16 Sdram
• Manufacturer: Hynix Semiconductor

Rev. 1.1 / Mar. 2008
FUNCTIONAL BLOCK DIAGRAM
4Banks x 4Mbit x 16 I/O Double Data Rate Synchronous DRAM
A0-12
BA0,BA1
CLK
/CLK
CKE
/CS
/RAS
/CAS
LDM
UDM
Command
Decoder
Address
Buffer
Register
Mode
Control
Bank
Column Address
Counter
Decoder
Row
CLK,
/CLK
4Mx16 /Bank1
4Mx16 /Bank2
4Mx16 /Bank3
Column Decoder
4Mx16/Bank0
W rite Data Register
2-bit Prefetch Unit
Register
Mode
Block
DLL
32
CLK_DLL
DS
64
1HY5DU561622FTP-5I
HY5DU561622FTP-4I
16
32
Data Strobe
Data Strobe
Transmitter
Receiver
LDQS,UDQS
DS
DQ[0:15]
6