参数资料
型号: V58C2256324SAH-40
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 8M X 32 DDR DRAM, 0.6 ns, PBGA144
封装: LEAD FREE, BGA-144
文件页数: 12/37页
文件大小: 557K
代理商: V58C2256324SAH-40
2
V58C2256324SA Rev. 1.0 November 2003
ProMOS TECHNOLOGIES
V58C2256324SA
Block Diagram
Row decoder
Memory array
Bank 0
C
o
lu
mn
dec
oder
S
ens
e
ampl
if
ie
r&
I(
O
)bus
Row decoder
Memory array
Bank 1
2M x 32
C
o
lu
mn
d
e
c
o
der
S
e
ns
e
ampl
if
ie
r&
I(
O
)
bus
Row decoder
Memory array
Bank 2
C
o
lu
m
n
de
c
o
de
r
S
ens
e
ampl
if
ie
r&
I(
O
)bus
Row decoder
Memory array
Bank 3
Co
lu
m
n
d
e
c
o
d
e
r
S
ens
e
ampl
if
ie
r&
I
(O
)bus
Input buffer
Output buffer
DQ0-DQ32
Column address
counter
Column address
buffer
Row address
buffer
Refresh Counter
A0 - A11, BA0, BA1
A0 - A7,A9, AP, BA0, BA1
Control logic & timing generator
CL
K
CK
E
CS
RA
S
CA
S
WE
DM
0
-DM
3
Row Addresses
Column Addresses
DLL
Strobe
Gen.
Data Strobe
CLK, CLK
CL
K
DQS
2M x 32
V
CMOS
2.5V
256Mb, 4K Refresh
4 Banks
COMPONENT
REV LEVEL A=0.14u
COMPONENT
PACKAGE, B=BGA (H Lead Free, M Green)
SSTL
ProMOS
MANUFACTURED
x32
25632
4
S
A
X
-28 350MHz
-33 300MHz
C
2
-36 275MHz
-40 250MHz
X
58
DDR SDRAM
L=Low Power
X
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