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FM1107 Schematic ( PDF Datasheet ) - Ramtron International Corporation

Teilenummer FM1107
Beschreibung Nonvolatile 3V Dual State Saver
Hersteller Ramtron International Corporation
Logo Ramtron International Corporation Logo 




Gesamt 8 Seiten
FM1107 Datasheet, Funktion
www.DataSheet4U.com
Preliminary
FM1107
Nonvolatile 3V Dual State Saver
Features
Nonvolatile State Saver
Logic States Retained in Absence of Power
Outputs Automatically Restored at Power-up
Unlimited Number of State Changes
Max tPD 50ns at 2.7V
Max Frequency 1 MHz
Overview
The FM1107 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 2.7V to 3.6V
0.5 µA Standby Current
Industry Standard Configuration
Industrial Temperature -40° C to +85° C
8-pin “Green”/RoHS SOT-23 Package
Pin Configuration
Pin Names
DN
QN
EN
CLK
VDD
VSS
Function
Data In
Data Out
Enable
Clock
Supply Voltage
Ground
Ordering Information
FM1107
Dual State Saver,
8-pin “Green”/RoHS SOT-23
This is a product that has fixed target specifications but are subject
to change pending characterization results.
Rev. 1.2
Aug. 2007
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000
http://www.ramtron.com
Page 1 of 8






FM1107 Datasheet, Funktion
www.DataSheet4U.com
AC Test Conditions
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Levels
Output Load Capacitance
0.1 VDD to 0.9 VDD
10 ns
0.5 VDD
30pF
FM1107 NV Dual State Saver
FM1107 Signal Timing
EN
CLK
DN
QN
tLOW
1/fMAX
tHIGH
tDS
D0
previous
tDH
tPD
Q0
t=0
Power Cycle Timing
CLK
DN D7
D8 DLAST
QN Q7 Q8 QLAST
EN
VDD
tPDS
VDD (MIN)
tEL
tEHD
tHZ
D1
tPD
Q1
tEH
tRES
Q1
D0 D1
QLAST
tRES
Q0
Q1
tEHFC
VDD (MIN)
Rev. 1.2
Aug. 2007
Page 6 of 8

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