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FM24CL64 fiches techniques PDF

ETC - 64Kb 2.7V-3.6V FRAM Serial Memory

Numéro de référence FM24CL64
Description 64Kb 2.7V-3.6V FRAM Serial Memory
Fabricant ETC 
Logo ETC 





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FM24CL64 fiche technique
Preliminary
FM24CL64
64Kb 2.7V-3.6V FRAM Serial Memory
Features
64K bit Ferroelectric Nonvolatile RAM
Organized as 8,192 x 8 bits
Unlimited read/write cycles
10 year data retention at 85° C
NoDelay™ write
Advanced high-reliability ferroelectric process
Fast Two-wire Serial Interface
Up to 1 MHz maximum bus frequency
Direct hardware replacement for EEPROM
Supports legacy timing for 100 kHz & 400 kHz
Description
The FM24CL64 is a 64-kilobit nonvolatile memory
employing an advanced ferroelectric process. A
ferroelectric random access memory or FRAM is
nonvolatile but operates in other respects as 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.
The FM24CL64 performs write operations at bus
speed. No write delays are incurred. Data is written to
the memory array mere hundreds of nanoseconds
after it has been successfully transferred to the
device. The next bus cycle may commence
immediately. Fast-write time and unlimited
read/write endurance make it superior to other types
of nonvolatile memory and a good substitute for
ordinary SRAM
These capabilities make the FM24CL64 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
combination of features allows more frequent data
writing with less overhead for the system.
The FM24CL64 provides substantial benefits to users
of serial EEPROM, yet these benefits are available in
a hardware drop-in replacement. The FM24CL64 is
provided in industry standard 8-pin surface mount
package using a familiar two-wire protocol. It is
guaranteed over an industrial temperature range of
-40°C to +85°C.
Low Power Operation
True 2.7V-3.6V operation
75 µA Active current (100 kHz)
1 µA Standby current
Industry Standard Configuration
Industrial temperature -40° C to +85° C
8-pin SOP
Pin Configuration
A0
A1
A2
VSS
VDD
WP
SCL
SDA
Pin Names
A0-A2
SDA
SCL
WP
VSS
VDD
Function
Device Select Address
Serial Data/address
Serial Clock
Write Protect
Ground
Supply Voltage
Ordering Information
FM24CL64-S 8-pin SOP
This data sheet contains specifications for a product under development.
Characterization is not complete; the specifications may change without notice.
9 May 2001
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000, Fax (719) 481-7058
www.ramtron.com
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