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PDF ( 数据手册 , 数据表 ) FM1110

零件编号 FM1110
描述 Nonvolatile 5V Dual State Saver
制造商 Ramtron International Corporation
LOGO Ramtron International Corporation LOGO 


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FM1110 数据手册, 描述, 功能
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Preliminary
FM1110
Nonvolatile 5V Quad State Saver
Features
Nonvolatile State Saver
Logic States Retained in Absence of Power
Outputs Automatically Restored at Power-up
Number of State Changes: 1012
Max tPD 50ns at 4.5V
Max Frequency 1 MHz
Overview
The FM1110 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.
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:
! 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
! Eliminate the overhead of serial memory for
systems needing only a bit of data
Low Power Operation
Supply voltage of 4.5V to 5.5V
30 µA Standby Current
Industry Standard Configuration
Industrial Temperature -40° C to +85° C
16-pin “Green”/RoHS QFN Package
Pin Configuration
VDD
D0
Q0
D1
1
2
3
4
Q2
11 D2
D3
VSS
Top View
Pin Names
DN
QN
EN
CLK
VDD
VSS
Function
Data In
Data Out
Enable
Clock
Supply Voltage
Ground
Ordering Information
FM1110-QG Quad State Saver,
16-pin “Green”/RoHS QFN
This is a product that has fixed target specifications but are subject
to change pending characterization results.
Rev. 1.0
Aug. 2007
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000
http://www.ramtron.com
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FM1110 pdf, 数据表
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Revision History
Revision
1.0
Date
8/6/07
Summary
Initial Release.
FM1110 NV Quad State Saver
Rev. 1.0
Aug. 2007
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