FM25CL64-S datasheet, PDF - EEWORLD Datasheet

FM25CL64-S: Description64Kb FRAM Serial 3V Memory; File Size130KB，13 Pages; ManufacturerETC

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FM25CL64-S Overview

64Kb FRAM Serial 3V Memory

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FM25CL64

64Kb FRAM Serial 3V Memory

Features

64K bit Ferroelectric Nonvolatile RAM

•

Organized as 8,192 x 8 bits

•

Unlimited Read/Write Cycles

•

10 Year Data Retention

•

NoDelay™ Writes

•

Advanced High-Reliability Ferroelectric Process

Very Fast Serial Peripheral Interface - SPI

•

Up to 20 MHz Frequency

•

Direct Hardware Replacement for EEPROM

•

SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1)

Sophisticated Write Protection Scheme

•

Hardware Protection

•

Software Protection

Low Power Consumption

•

Low Voltage Operation 2.7-3.65V

•

µA

Standby Current

Industry Standard Configuration

•

Industrial Temperature -40°C to +85°C

•

8-pin SOIC

Description

The FM25CL64 is a 64-kilobit nonvolatile memory

employing an advanced ferroelectric process. A

ferroelectric random access memory or FRAM is

nonvolatile and performs reads and writes like a

RAM. It provides reliable data retention for 10 years

while eliminating the complexities, overhead, and

system level reliability problems caused by

EEPROM and other nonvolatile memories.

Unlike serial EEPROMs, the FM25CL64 performs

write operations at bus speed. No write delays are

incurred. The next bus cycle may commence

immediately without the need for data polling. The

next bus cycle may start immediately. In addition, the

product offers virtually unlimited write endurance,

orders of magnitude more endurance than EEPROM.

Also, FRAM exhibits much lower power during

writes than EEPROM since write operations do not

require an internally elevated power supply voltage

for write circuits.

These capabilities make the FM25CL64 ideal for

nonvolatile memory applications requiring frequent

or rapid writes. Examples range from data collection,

where the number of write cycles may be critical, to

demanding industrial controls where the long write

time of EEPROM can cause data loss.

The FM25CL64 provides substantial benefits to users

of serial EEPROM as a hardware drop-in

replacement. The FM25CL64 uses the high-speed

SPI bus, which enhances the high-speed write

capability

FRAM

technology.

Device

specifications are guaranteed over an industrial

temperature range of -40°C to +85°C.

This product conforms to specifications per the terms of the Ramtron

standard warranty. Production processing does not necessarily in-

clude testing of all parameters.

Pin Configuration

VSS

VDD

HOLD

SCK

Pin Name

/CS

/WP

/HOLD

SCK

VDD

VSS

Function

Chip Select

Write Protect

Hold

Serial Clock

Serial Data Input

Serial Data Output

Supply Voltage

Ground

Ordering Information

FM25CL64-S

8-pin SOIC

Ramtron International Corporation

1850 Ramtron Drive, Colorado Springs, CO 80921

(800) 545-FRAM, (719) 481-7000, Fax (719) 481-7058

www.ramtron.com

Rev. 2.1

Apr. 2003

Page 1 of 13

FM25CL64-S Related Products

	FM25CL64-S	FM25CL64
Description	64Kb FRAM Serial 3V Memory	64Kb FRAM Serial 3V Memory

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