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參數(shù)資料
| 型號： | MB81P643287 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8 x 256K x 32 BIT, FCRAMTM CORE BASED DOUBLE DATA RATE SDRAM |
| 中文描述： | 8 × 256K × 32位，F(xiàn)CRAMTM核心的雙倍數(shù)據(jù)速率SDRAM內(nèi)存 |
| 文件頁數(shù)： | 1/65頁 |
| 文件大小： | 727K |
| 代理商： | MB81P643287 |
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DS05-11402-2E
FUJITSU SEMICONDUCTOR
DATA SHEET
MEMORY
CMOS
8 x 256K x 32 BIT, FCRAM
TM
CORE
BASED DOUBLE DATA RATE SDRAM
MB81P643287-50/-60
CMOS 8-BANK x 262,144-WORD x 32 BIT, FCRAM Core Based
Synchronous Dynamic Random Access Memory
with Double Data Rate
I
DESCRIPTION
The Fujitsu MB81P643287 is a CMOS Synchronous Dynamic Random Access Memory (SDRAM) with Fujitsu
advanced FCRAM (Fast Cycle Random Access Memory) Core Technology, containing 67,108,864 memory cells
accessible in an 32-bit format. The MB81P643287 features a fully synchronous operation referenced to clock
edge whereby all operations are synchronized at a clock input which enables high performance and simple user
interface coexistence. The MB81P643287 is designed to reduce the complexity of using a standard dynamic RAM
(DRAM) which requires many control signal timin.g constraints. The MB81P643287 uses Double Data Rate (DDR)
where data bandwidth is twice of fast speed compared with regular SDRAMs.
The MB81P643287 is ideally suited for Digital Visual Systems, High Performance Graphic Adapters, Hardware
Accelerators, Buffers, and other applications where large memory density and high effective bandwidth are
required and where a simple interface is needed.
The MB81P643287 adopts new I/O interface circuitry, SSTL_2 interface, which is capable of extremely fast data
transfer of quality under either terminated or point to point bus environment.
I
PRODUCT LINE
Note: FCRAM is a trademark of Fujitsu Limited, Japan.
Parameter
MB81P643287
-50
-60
Clock Frequency
CL = 3
200 MHz Max.
167 MHz Max.
CL = 2
133 MHz Max.
111 MHz Max.
Burst Mode Cycle Time
CL = 3
2.5 ns Min.
3.0 ns Min.
CL = 2
3.75 ns Min.
4.5 ns Min.
Random Address Cycle Time
30 ns Min.
36 ns Min.
DQS Access Time From Clock
0.1
×
t
CK
+ 0.2 ns Max.
460 mA Max.
0.1
×
t
CK
+ 0.2 ns Max.
405 mA Max.
Operating Current
Power Down Current
35 mA Max.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB81P643287-50 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8 x 256K x 32 BIT, FCRAMTM CORE BASED DOUBLE DATA RATE SDRAM |
| MB81P643287-60 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8 x 256K x 32 BIT, FCRAMTM CORE BASED DOUBLE DATA RATE SDRAM |
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