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FM1106 Dataheets PDF



Part Number FM1106
Manufacturers Ramtron International Corporation
Logo Ramtron International Corporation
Description Nonvolatile 3V Dual State Saver
Datasheet FM1106 DatasheetFM1106 Datasheet (PDF)

www.DataSheet4U.com Preliminary FM1106 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 Low Power Operation • Supply voltage of 2.7V to 3.6V • 5 µA Standby Current Industry Standard Configuration • Industrial Temperature -40° C to +85° C • 8-pin “Green”/RoHS SOT-23 Package Overview The FM1106 is an innovative .

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www.DataSheet4U.com Preliminary FM1106 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 Low Power Operation • Supply voltage of 2.7V to 3.6V • 5 µA Standby Current Industry Standard Configuration • Industrial Temperature -40° C to +85° C • 8-pin “Green”/RoHS SOT-23 Package Overview The FM1106 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 Pin Configuration Pin Names DN QN EN CLK VDD VSS Function Data In Data Out Enable Clock Supply Voltage Ground Ordering Information FM1106 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. 1.1 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 www.DataSheet4U.com FM1106 NV Dual State Saver Block Diagram and Truth Table INPUTS CLK ↑ ↑ H or L X OUTPUT Qn L H Q0 Hi-Z DN CLK NV State Saver QN EN EN H H H L L H X ↑ Q0 Dn L H X X Low voltage level High voltage level Don’t Care CLK rising edge Previous output state before CLK ↑ Pin Descriptions Pin Name D 0, D 1 Q 0, Q 1 CLK EN VDD VSS I/O I O I I Supply Supply Description Data inputs Data outputs Clock: On a rising edge of CLK, the DN inputs are transferred to the QN outputs. While CLK is high or low, the QN outputs do not change regardless of the state of the data inputs. See truth table. Enable. This active-high input enables the device. When low, inputs are ignored and updates to the nonvolatile cells are prevented. When high, the device operates normally. Power Supply (2.7V to 3.6V) Ground Rev. 1.1 Aug. 2007 Page 2 of 8 www.DataSheet4U.com FM1106 NV Dual State Saver Description Nonvolatile storage applied to logic is a revolutionary concept. The FM1106 simplifies the design of system control functions. This product is unique because it remembers the stored output values in the absence of power. Any change in the latched state is automatically written to a nonvolatile ferroelectric latch. This function is possible due to the fast write time and extremely high write endurance of the underlying ferroelectric memory technology. Use of Enable Pin The FM1106 has an enable pin that is intended to be used in conjunction with a system reset. An activelow reset may be tied directly to the EN pin. At power-up, /RESET will be held low for some time during which the data input and CLK pins will be ignored. Once the system comes out of reset and EN goes high, the outputs QN drive to the state that were previously latched and the device operates normally. When the EN pin is low, the outputs QN are tristated. The enable pin may be tied to VDD since the device integrates a power management circuit that monitors the VDD level during power cycles. Rev. 1.1 Aug. 2007 Page 3 of 8 www.DataSheet4U.com FM1106 NV Dual State Saver Electrical Specifications Absolute Maximum Ratings Symbol Description VDD Power Supply Voltage with respect to VSS VIN Voltage on any signal pin with respect to VSS TSTG TLEAD Storage temperature Lead temperature (Soldering, 10 seconds) Ratings -1.0V to +5.0V -1.0V to +5.0V and VIN < VDD+1.0V -55°C to + 125°C 300° C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only, and the functional operation of the device at these or any other conditions above those listed in the operational section of this specification is not implied. Exposure to absolute maximum ratings conditions for extended periods may affect device reliability. DC Operating Conditions (TA = -40° C to + 85° C, VDD = 2.7V to 3.6V unless otherwise specified) Symbol Parameter Min Typ .


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