Datasheet > FM32256-G

FM32256-G

更新时间： 2024-01-27 21:11:43

品牌	Logo	应用领域
其他 - ETC		商用集成电路光电二极管
页数	文件大小	规格书
20页	273K
描述
Integrated Processor Companion with Memory

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中文翻译

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技术参数
数据手册

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FM32256-G 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP,	针数：	14
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.82	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	R-PDSO-G14
JESD-609代码：	e3	长度：	8.64 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	14	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.75 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	2.7 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3.9 mm
Base Number Matches：	1

FM32256-G 数据手册

Pre-Production

FM3204/16/64/256

Integrated Processor Companion with Memory

Features

High Integration Device Replaces Multiple Parts

Ferroelectric Nonvolatile RAM

•

Serial Nonvolatile Memory

•

4Kb, 16Kb, 64Kb, and 256Kb versions

Unlimited Read/Write Endurance

10 year Data Retention

Low Voltage Reset

Watchdog Timer

Early Power-Fail Warning/NMI

Two 16-bit Event Counters

Serial Number with Write-lock for Security

NoDelay™ Writes

Fast Two-wire Serial Interface

•

Up to 1 MHz Maximum Bus Frequency

Supports Legacy Timing for 100 kHz & 400 kHz

Device Select Pins for up to 4 Memory Devices

Companion Controlled via 2-wire Interface

Processor Companion

•

Active-low Reset Output for V_DDand Watchdog

Programmable V_DDReset Trip Point

Manual Reset Filtered and Debounced

Programmable Watchdog Timer

Easy to Use Configurations

•

Operates from 2.7 to 5.5V

Dual Battery-backed Event Counter Tracks

System Intrusions or other Events

Small Footprint 14-pin SOIC (-S)

“Green” 14-pin SOIC (-G)

•

Comparator for Early Power-Fail Interrupt

64-bit Programmable Serial Number with Lock

•

Pin Compatible with FM31xx Series

Low Operating Current

-40°C to +85°C Operation

active when V_DDdrops below a programmable

threshold and remains active for 100 ms after V_DD

rises above the trip point. A programmable watchdog

timer runs from 100 ms to 3 seconds. The watchdog

timer is optional, but if enabled it will assert the reset

signal for 100 ms if not restarted by the host before

the timeout. A flag-bit indicates the source of the

reset.

Description

The FM32xx is a family of integrated devices that

includes the most commonly needed functions for

processor-based systems. Major features include

nonvolatile memory available in various sizes, low-

_DDreset, watchdog timer, nonvolatile event counter,

lockable 64-bit serial number area, and general

purpose comparator that can be used for an early

power-fail (NMI) interrupt or other purpose. The

family operates from 2.7 to 5.5V.

A general-purpose comparator compares an external

input pin to the onboard 1.2V reference. This is

useful for generating an early warning power-fail

interrupt (NMI) but can be used for any purpose. The

family also includes a programmable 64-bit serial

number that can be locked making it unalterable.

The FM32xx family is software and pinout

compatible with the FM31xx family which also

includes a real-time clock. The common features

allow a system design that easily can be assembled

with or without timekeeping by simply selecting the

FM31xx or FM32xx, respectively.

Additionally the FM32xx offers a dual event counter

that tracks the number of rising or falling edges

detected on dedicated input pins. The counter can

optionally be battery backed and even battery

operated by attaching a backup power source to the

VBAK pin. If VBAK is connected to a battery or

capacitor, then events will be counted even in the

Each FM32xx provides nonvolatile RAM available in

sizes including 4Kb, 16Kb, 64Kb, and 256Kb

versions. Fast write speed and unlimited endurance

allow the memory to serve as extra RAM or

conventional nonvolatile storage. This memory is

truly nonvolatile rather than battery backed.

absence of V_DD

The processor companion includes commonly needed

CPU support functions. Supervisory functions

include a reset output signal controlled by either a

low V_DDcondition or a watchdog timeout. /RST goes

This is a product in pre-production phase of development. Device

characterization is complete and Ramtron does not expect to change

the specifications. Ramtron will issue a Product Change Notice if

any specification changes are made.

Ramtron International Corporation

1850 Ramtron Drive, Colorado Springs, CO 80921

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

www.ramtron.com

Rev 2.1

Dec. 2004

Page 1 of 20

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与FM32256-G相关器件

型号	品牌	获取价格	描述	数据表
FM32256-S	ETC	获取价格	Integrated Processor Companion with Memory
FM32272	RAMTRON	获取价格	5V Integrated Processor Companion with Memory
FM32272-G	RAMTRON	获取价格	Consumer Circuit, PDSO14, GREEN, MS-012AB, SOIC-14
FM32272-GTR	RAMTRON	获取价格	Consumer Circuit, PDSO14, GREEN, MS-012AB, SOIC-14
FM32274	RAMTRON	获取价格	5V Integrated Processor Companion with Memory
FM32274-GTR	RAMTRON	获取价格	Consumer Circuit, PDSO14, GREEN, MS-012AB, SOIC-14
FM32276	RAMTRON	获取价格	5V Integrated Processor Companion with Memory
FM32278	RAMTRON	获取价格	5V Integrated Processor Companion with Memory
FM32278-GTR	RAMTRON	获取价格	Consumer Circuit, PDSO14, GREEN, MS-012AB, SOIC-14
FM3264	ETC	获取价格	Integrated Processor Companion with Memory

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