hy5ps1g831l-y6 Hynix Semiconductor, hy5ps1g831l-y6 Datasheet - Page 11

• Manufacturer Part Number: hy5ps1g831l-y6
• Description: Ddr2 Sdram - 1gb
• Manufacturer: Hynix Semiconductor

Rev 0.2 / Apr. 2004
2.2 Functional Block Diagram
2.2.1 Functional Block Diagram(256Mx4)
8Banks x 32Mbit x 4 I/O DDR2 SDRAM
BA1
BA0
ODT
A13
BA2
CLK
CLK
CKE
CS
RAS
CAS
WE
A0
A1
DM
refresh
bank select
refresh
ODT
control
Column
Active
Row
Active
Address
Registers
Register
Self refresh
logic & timer
Internal Row
Counter
Mode
Decoders
Row
Pre
Additive Latency
Column Active
Counter&latch
Column Add
latch
32Mx4 Bank7
32Mx4 Bank6
32Mx4 Bank5
32Mx4 Bank4
32Mx4 Bank3
32Mx4 Bank2
32Mx4 Bank1
Sense Amp
Column decoders
32Mx4 Bank0
Pre Decoders
Memory
Column
& I/O Gate
Array
Cell
16
DS
DLL Clk
4bit pre-fetch
4bit pre-fetch
Write Data
Read Data
ODT
control
Register
Register
HY5PS1G431(L)F
HY5PS1G831(L)F
DQS
I/O Buffer
4
4
OCD
Control
DLL Clk
DS
Output
Buffers
& ODT
Buffers
Input
CLK
DLL
DQ
0~3
DQS
DQS
OCD
Control
11