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FM18W08 PDF预览

FM18W08

更新时间: 2024-01-28 10:28:18
品牌 Logo 应用领域
赛普拉斯 - CYPRESS /
页数 文件大小 规格书
12页 325K
描述
256Kb Wide Voltage Bytewide F-RAM

FM18W08 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:SOP, SOP28,.4Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.71
Factory Lead Time:1 week风险等级:2.18
最长访问时间:80 nsJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:17.9 mm
内存密度:262144 bit内存集成电路类型:MEMORY CIRCUIT
内存宽度:8混合内存类型:N/A
湿度敏感等级:3功能数量:1
端子数量:28字数:32768 words
字数代码:32000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:32KX8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:2.67 mm
最大待机电流:0.00005 A子类别:SRAMs
最大压摆率:0.012 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:7.5 mmBase Number Matches:1

FM18W08 数据手册

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Pre-Production  
FM18W08  
256Kb Wide Voltage Bytewide F-RAM  
Features  
SRAM & EEPROM Compatible  
JEDEC 32Kx8 SRAM & EEPROM pinout  
70 ns Access Time  
256Kbit Ferroelectric Nonvolatile RAM  
Organized as 32,768 x 8 bits  
High Endurance 100 Trillion (1014) Read/Writes  
38 year Data Retention  
130 ns Cycle Time  
NoDelay™ Writes  
Advanced High-Reliability Ferroelectric Process  
Low Power Operation  
Wide Voltage Operation 2.7V to 5.5V  
12 mA Active Current  
20 A (typ.) Standby Current  
Superior to BBSRAM Modules  
No Battery Concerns  
Monolithic Reliability  
Industry Standard Configuration  
Industrial Temperature -40 C to +85 C  
28-pin “Green”/RoHS SOIC Package  
True Surface Mount Solution, No Rework Steps  
Superior for Moisture, Shock, and Vibration  
Resistant to Negative Voltage Undershoots  
Description  
Pin Configuration  
The FM18W08 is a 256-kilobit nonvolatile memory  
employing an advanced ferroelectric process. A  
ferroelectric random access memory or F-RAM is  
nonvolatile but operates in other respects as a RAM.  
It provides data retention for 38 years while  
eliminating the reliability concerns, functional  
disadvantages and system design complexities of  
battery-backed SRAM (BBSRAM). Fast write timing  
and high write endurance make F-RAM superior to  
other types of nonvolatile memory.  
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
A14  
A12  
A7  
VDD  
WE  
A13  
A8  
3
4
A6  
5
A5  
A9  
6
A4  
A11  
OE  
7
A3  
In-system operation of the FM18W08 is very similar  
to other RAM devices. Minimum read- and write-  
cycle times are equal. The F-RAM memory, however,  
is nonvolatile due to its unique ferroelectric memory  
process. Unlike BBSRAM, the FM18W08 is a truly  
monolithic nonvolatile memory. It provides the same  
functional benefits of a fast write without the  
disadvantages associated with modules and batteries  
or hybrid memory solutions.  
8
A2  
A10  
CE  
9
A1  
10  
11  
12  
13  
14  
A0  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ0  
DQ1  
DQ2  
VSS  
These capabilities make the FM18W08 ideal for  
nonvolatile memory applications requiring frequent  
or rapid writes in a bytewide environment. The  
availability of a true surface-mount package improves  
the manufacturability of new designs. Device  
specifications are guaranteed over an industrial  
temperature range of -40°C to +85°C.  
Ordering Information  
FM18W08-SG  
28-pin “Green” SOIC  
This is a product in the pre-production phase of development. Device characterization is complete and Ramtron does not expect to  
change the specifications. Ramtron will issue a Product Change Notice if any specification changes are made.  
Cypress Semiconductor Corporation  
Document Number: 001-86207 Rev. **  
198 Champion Court  
San Jose, CA 95134-1709  
408-943-2600  
Revised February 25, 2013  

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