Datasheet > FM1114

FM1114

更新时间： 2024-10-30 03:37:11

品牌	Logo	应用领域
铁电 - RAMTRON		/
页数	文件大小	规格书
8页	116K
描述
Nonvolatile 3V Quad State Saver

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中文翻译

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数据手册

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FM1114 数据手册

Preliminary

FM1114

Nonvolatile 3V Quad State Saver

Features

Nonvolatile State Saver

Low Power Operation

•

Logic States Retained in Absence of Power

Outputs Automatically Restored at Power-up

Unlimited Number of State Changes

Max t_PD50ns at 2.7V

•

Supply voltage of 2.7V to 3.6V

0.5 µA Standby Current

Industry Standard Configuration

•

Industrial Temperature -40° C to +85° C

16-pin “Green”/RoHS QFN Package

Max Frequency 1 MHz

Overview

Pin Configuration

The FM1114 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.

VDD

VSS

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:

Top View

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

Pin Names

D_N

Function

Data In

Data Out

Enable

Q_N

CLK

VDD

VSS

Clock

Supply Voltage

Ground

Eliminate the overhead of serial memory for

systems needing only a bit of data

Ordering Information

FM1114-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.

Ramtron International Corporation

1850 Ramtron Drive, Colorado Springs, CO 80921

(800) 545-FRAM, (719) 481-7000

http://www.ramtron.com

Rev. 1.1

Aug. 2007

Page 1 of 8

12 3 4 5 6 7 8

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