参数资料
型号: HY5PS12823F
英文描述: 64Mx8|1.8V|8K|D43/D44/D54/D55|DDR II SDRAM - 512M
中文描述: 64Mx8 | 1.8 | 8K的| D43/D44/D54/D55 |的DDR II内存- 512M
文件页数: 13/66页
文件大小: 862K
代理商: HY5PS12823F
Rev. 0.52/Nov. 02 13
HY5PS12423(L)F
HY5PS12823(L)F
HY5PS121623(L)F
FUNCTIONAL BLOCK DIAGRAM (32Mx16)
4Banks x 8Mbit x 16 I/O DDR-II SDRAM
I
Row
Pre
Decoders
Column
Pre Decoders
Self refresh
logic & timer
Internal Row
Counter
R
8Mx16 Bank3
8Mx16 Bank2
8Mx16 Bank1
8Mx16 Bank0
Column decoders
Memory
Cell
Array
refresh
Column
Active
CLK
CLK
CKE
CS
RAS
CAS
WE
U/LDM
Address
Registers
Column Add
Counter&latch
Mode
Register
A
A0
A1
A13
BA1
BA0
Row
Active
bank select
Sense Amp
& I/O Gate
4bit pre-fetch
Read Data
Register
4bit pre-fetch
Write Data
Register
Column Active
latch
Additive Latency
Output
Buffers
& ODT
refresh
Input
Buffers
DLL Clk
OCD
Control
DQS
I/O Buffer
&ODT
DQS
DQS
DLL
CLK
DS
DS
DQ
0~15
64
16
16
ODT
DLL Clk
OCD
Control
ODT
control
ODT
control
ODT
control
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