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FM25640C-G PDF预览

FM25640C-G

更新时间: 2024-01-31 19:28:17
品牌 Logo 应用领域
铁电 - RAMTRON 存储内存集成电路静态存储器光电二极管
页数 文件大小 规格书
13页 282K
描述
64Kb Serial 5V F-RAM Memory

FM25640C-G 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP8,.3针数:8
Reach Compliance Code:unknownHTS代码:8542.32.00.71
风险等级:5.72Is Samacsys:N
其他特性:10 YEARS OF DATA RETENTIONJESD-30 代码:R-PDIP-T8
JESD-609代码:e0内存密度:65536 bit
内存集成电路类型:MEMORY CIRCUIT内存宽度:8
功能数量:1端子数量:8
字数:8192 words字数代码:8000
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:8KX8
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
最大待机电流:0.00001 A子类别:SRAMs
最大压摆率:0.0045 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

FM25640C-G 数据手册

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Preliminary  
FM25640C  
64Kb Serial 5V F-RAM Memory  
Features  
Sophisticated Write Protection Scheme  
64K bit Ferroelectric Nonvolatile RAM  
Hardware Protection  
Software Protection  
Organized as 8,192 x 8 bits  
High Endurance 1 Trillion (1012) Read/Writes  
36 Year Data Retention at +75C  
NoDelay™ Writes  
Low Power Consumption  
250 A Active Current (1 MHz)  
4 A (typ.) Standby Current  
Advanced high-reliability ferroelectric process  
Very Fast Serial Peripheral Interface - SPI  
Industry Standard Configuration  
Up to 20 MHz maximum bus frequency  
Direct hardware replacement for EEPROM  
SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1)  
Industrial Temperature -40C to +85C  
8-pin “Green”/RoHS SOIC (-G)  
Description  
Pin Configuration  
The FM25640C is a 64-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 reliable data retention for 36 years while  
eliminating the complexities, overhead, and system  
level reliability problems caused by EEPROM and  
other nonvolatile memories.  
1
8
7
6
5
CS  
VDD  
HOLD  
SCK  
SI  
2
SO  
3
4
WP  
VSS  
The FM25640C performs write operations at bus  
speed. No write delays are incurred. Data is written to  
the memory array immediately after it has been  
successfully transferred to the device. The next bus  
cycle may commence immediately without the need  
for data polling. The FM25640C is capable of  
supporting up to 1012 read/write cycles, or a million  
times more write cycles than EEPROM.  
Pin Names  
/CS  
/HOLD  
/WP  
SCK  
SI  
SO  
Function  
Chip Select  
Hold  
Write Protect  
Serial Clock  
Serial Data Input  
Serial Data Output  
5V  
These capabilities make the FM25640C ideal for  
nonvolatile memory applications requiring frequent  
or rapid writes. Examples range from data collection,  
where the number of write cycles may be critical, to  
demanding industrial controls where the long write  
time of EEPROM can cause data loss.  
VDD  
VSS  
Ground  
Ordering Information  
FM25640C-G  
FM25640C-GTR  
“Green”/RoHS 8-pin SOIC  
“Green”/RoHS 8-pin SOIC,  
Tape & Reel  
The FM25640C provides substantial benefits to users  
of serial EEPROM, in  
a
hardware drop-in  
replacement. The FM25640C uses the high-speed SPI  
bus, which enhances the high-speed write capability  
of F-RAM technology. The specifications are  
guaranteed over an industrial temperature range of  
-40°C to +85°C.  
This is a product that has fixed target specifications but are subject  
to change pending characterization results.  
Ramtron International Corporation  
1850 Ramtron Drive, Colorado Springs, CO 80921  
(800) 545-F-RAM, (719) 481-7000  
www.ramtron.com  
Rev. 1.1  
June 2011  
Page 1 of 13  

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