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V53C16256SH 参数 Datasheet PDF下载

V53C16256SH图片预览
型号: V53C16256SH
PDF下载: 下载PDF文件 查看货源
内容描述: 256K ×16快速页面模式的CMOS动态的,自刷新内存 [256K X 16 FAST PAGE MODE CMOS DYNAMIC RAM WITH SELF REFRESH]
分类和应用:
文件页数/大小: 19 页 / 147 K
品牌: MOSEL [ MOSEL VITELIC, CORP ]
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MOSEL VITELIC
V53C16256SH
256K X 16 FAST PAGE MODE
CMOS DYNAMIC RAM WITH
SELF REFRESH
PRELIMINARY
HIGH PERFORMANCE
Max. RAS Access Time, (t
RAC
)
Max. Column Address Access Time, (t
CAA
)
Min. Fast Page Mode Cycle Time, (t
PC
)
Min. Read/Write Cycle Time, (t
RC
)
40
40 ns
20 ns
23 ns
75 ns
50
50 ns
24 ns
28 ns
90 ns
Features
s
256K x 16-bit organization
s
Fast Page Mode for a sustained data rate
of 43 MHz
s
RAS access time: 40, 50 ns
s
Dual CAS Inputs
s
Low power dissipation
s
Read-Modify-Write, RAS-Only Refresh,
CAS-Before-RAS Refresh, and Self Refresh
s
Refresh Interval: 512 cycles/8 ms
s
Available in 40-pin 400 mil SOJ and
40/44L-pin 400 mil TSOP-II packages
s
Single 5.0V
±
10% Power Supply
s
TTL Interface
s
Self Refresh: 512 cycles/8ms
Description
The V53C16256SH is a 262,144 x 16 bit high-
performance CMOS dynamic random access mem-
ory. The V53C16256SH offers Fast Page mode
with dual CAS inputs. An address, CAS and RAS in-
put capacitances are reduced to one quarter when
the x4 DRAM is used to construct the same memory
density. The V53C16256SH has symmetric ad-
dress and accepts 512 cycle 8ms interval.
All inputs are TTL compatible. Fast Page Mode
operation allows random access up to 512 x 16 bits,
within a page, with cycle times as short as 23ns.
The V53C16256SH is best suited for graphics,
and DSP applications.
Device Usage Chart
Operating
Temperature
Range
0
°
C to 70
°
C
Package Outline
K
T
Access Time (ns)
40
50
Power
Std.
Temperature
Mark
Blank
V53C16256SH Rev. 0.1 December 1998
1