参数资料
型号: V58C2256324SAH-36
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 8M X 32 DDR DRAM, 0.55 ns, PBGA144
封装: ROHS COMPLIANT, BGA-144
文件页数: 12/37页
文件大小: 370K
代理商: V58C2256324SAH-36
2
V58C2256324SA Rev. 1.4 August 2007
ProMOS TECHNOLOGIES
V58C2256324SA
Block Diagram
Row decoder
Memory array
Bank 0
Co
lu
m
n
d
e
co
d
e
r
Se
n
s
e
a
m
p
lifie
r&
I(
O
)b
u
s
Row decoder
Memory array
Bank 1
2M x 32
C
o
lu
mn
de
code
r
S
e
ns
e
am
pl
if
ie
r&
I
(O)
b
u
s
Row decoder
Memory array
Bank 2
C
o
lu
mn
dec
ode
r
Se
n
s
e
a
m
p
lifie
r&
I(
O
)b
u
s
Row decoder
Memory array
Bank 3
Co
lu
m
n
d
e
co
d
e
r
S
e
nse
am
pl
if
ie
r&
I(
O)
b
u
s
Input buffer
Output buffer
DQ0-DQ32
Column address
counter
Column address
buffer
Row address
buffer
Refresh Counter
A0 - A12, BA0, BA1
A0 - A7,A9, AP, BA0, BA1
Control logic & timing generator
CLK
CK
E
CS
RA
S
CA
S
WE
DM0-
DM3
Row Addresses
Column Addresses
DLL
Strobe
Gen.
Data Strobe
CLK, CLK
CLK
DQS
2M x 32
V
CMOS
2.5V
256Mb, 4K Refresh
4 Banks
COMPONENT
REV LEVEL A=0.14u
COMPONENT
PACKAGE, H= RoHS BGA
SSTL
ProMOS
MANUFACTURED
x32
25632
4
S
A
X
-28 350MHz
-33 300MHz
C
2
-36 275MHz
-4A 250MHz
X
58
DDR SDRAM
L=Low Power
X
-5 200MHz
-4 250MHz
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