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FM24C64B-GTR データシート(PDF) 1 Page - Ramtron International Corporation

部品番号 FM24C64B-GTR
部品情報  64Kb Serial 5V F-RAM Memory
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メーカー  RAMTRON [Ramtron International Corporation]
ホームページ  http://www.ramtron.com
Logo RAMTRON - Ramtron International Corporation

FM24C64B-GTR データシート(HTML) 1 Page - Ramtron International Corporation

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Preliminary
This is a product that has fixed target specifications but are subject
Ramtron International Corporation
to change pending characterization results.
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000
Rev. 1.3
www.ramtron.com
Feb. 2011
Page 1 of 12
FM24C64B
64Kb Serial 5V F-RAM Memory
Features
64K bit Ferroelectric Nonvolatile RAM
Organized as 8,192 x 8 bits
High Endurance 1 Trillion (1012) Read/Writes
38 Year Data Retention
NoDelay™ Writes
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
Low Power Operation
5V operation
100
µA Active Current (100 kHz)
4
µA (typ.) Standby Current
Industry Standard Configuration
Industrial Temperature -40
° C to +85° C
8-pin “Green”/RoHS SOIC (-G)
Description
The FM24C64B 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 38 years
while eliminating the complexities, overhead, and
system level
reliability
problems
caused
by
EEPROM and other nonvolatile memories.
The FM24C64B performs write operations at bus
speed. No write delays are incurred. Data is written to
the memory array in the cycle after it has been
successfully transferred to the device. The next bus
cycle may commence immediately without the need
for data polling.
The FM24C64B is capable of
supporting 1012 read/write cycles, or a million times
more write cycles than EEPROM.
These capabilities make the FM24C64B 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
writes with less overhead for the system.
The FM24C64B provides substantial benefits to users
of serial EEPROM, yet these benefits are available in
a hardware drop-in replacement. The FM24C64B is
available in an industry standard 8-pin SOIC package
and uses a familiar two-wire protocol. The
specifications are guaranteed over an industrial
temperature range of -40°C to +85°C.
Pin Configuration
A0
A1
A2
VSS
VDD
WP
SCL
SDA
1
2
3
4
8
7
6
5
Pin Names
Function
A0-A2
Device Select Address
SDA
Serial Data/address
SCL
Serial Clock
WP
Write Protect
VSS
Ground
VDD
Supply Voltage
Ordering Information
FM24C64B-G
“Green”/RoHS 8-pin SOIC
FM24C64B-GTR
“Green”/RoHS 8-pin SOIC,
Tape & Reel


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