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FM1105-GA

更新时间: 2024-11-20 10:34:31
品牌 Logo 应用领域
铁电 - RAMTRON /
页数 文件大小 规格书
8页 121K
描述
Nonvolatile 5V Dual State Saver

FM1105-GA 数据手册

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AEC Q100 Grade 1 Compliant  
FM1105  
Nonvolatile 5V Dual State Saver  
Features  
Nonvolatile State Saver  
Low Power Operation  
Logic States Retained in Absence of Power  
Outputs Automatically Restored at Power-up  
Number of State Changes: 1012  
Max tPD 50ns at 4.5V  
Supply voltage of 4.5V to 5.5V  
15 µA Standby Current (+85°C)  
Industry Standard Configuration  
Automotive Temperature -40° C to +125° C  
Qualified to AEC Q100 Specification  
8-pin “Green”/RoHS SOIC Package  
Max Frequency 1 MHz  
o
Overview  
Pin Configuration  
The FM1105 is an innovative FRAM-based device  
that stores inputs like conventional logic and retains  
the stored state in the absence of power. This product  
solves three basic problems in an elegant fashion.  
First, it provides continuous access to nonvolatile  
system settings without performing a memory read  
operation or using dedicated processor I/O pins.  
Second, it allows the storage of signals that may  
change frequently and possibly without notice. Third,  
it allows the nonvolatile storage of a system setting  
without the system overhead and extra pins of a serial  
memory.  
1
8
7
6
5
EN  
D0  
VDD  
2
Q0  
3
D1  
VSS  
Q1  
4
CLK  
Pin Names  
DN  
Function  
Data In  
Data Out  
Enable  
Clock  
Supply Voltage  
Ground  
QN  
Functionally, the inputs are stored and passed to the  
output on the rising edge of the clock CLK. This  
unique product serves a variety of applications. Here  
are a few applications:  
EN  
CLK  
VDD  
VSS  
!
!
Control relays or valves with automatic setting  
on power-up without processor intervention  
Interface to soft/momentary front-panel switch  
and indicator lamp. Capture switch settings and  
drive LEDs without processor intervention  
Replaces jumpers & control signal routing  
Initialize state of I/O card signals  
Ordering Information  
FM1105-GA  
Dual State Saver,  
8-pin “Green”/RoHS SOIC,  
Automotive Grade 1  
!
!
!
FM1105-GATR  
Dual State Saver,  
8-pin “Green”/RoHS SOIC,  
Automotive Grade 1, Tape&Reel  
Eliminate the overhead of serial memory for  
systems needing only a bit of data  
This product conforms to specifications per the terms of the Ramtron  
standard warranty. The product has completed Ramtron’s internal  
qualification testing and has reached production status.  
Ramtron International Corporation  
1850 Ramtron Drive, Colorado Springs, CO 80921  
(800) 545-FRAM, (719) 481-7000  
http://www.ramtron.com  
Rev. 3.0  
Apr. 2009  
Page 1 of 8  

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