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FM24CL04B-G データシート(PDF) 1 Page - Ramtron International Corporation

部品番号 FM24CL04B-G
部品情報  4Kb Serial 3V 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

FM24CL04B-G 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
FM24CL04B
4Kb Serial 3V F-RAM Memory
Features
4K bit Ferroelectric Nonvolatile RAM
Organized as 512 x 8 bits
High Endurance 1014 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
2.7V to 3.65V operation
100
µA Active Current (100 kHz)
3
µA (typ.) Standby Current
Industry Standard Configuration
Industrial Temperature -40
° C to +85° C
8-pin “Green”/RoHS SOIC (-G)
Description
The FM24CL04B is a 4-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 FM24CL04B 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 FM24CL04B is capable of
supporting 1014 read/write cycles, or a million times
more write cycles than EEPROM.
These capabilities make the FM24CL04B 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 FM24CL04B provides substantial benefits to
users of serial EEPROM, yet these benefits are
available in a hardware drop-in replacement. The
FM24CL04B 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
Pin Names
Function
A1-A2
Device Select Address 1 and 2
SDA
Serial Data/Address
SCL
Serial Clock
WP
Write Protect
VSS
Ground
VDD
Supply Voltage
Ordering Information
FM24CL04B-G
“Green”/RoHS 8-pin SOIC
FM24CL04B-GTR
“Green”/RoHS 8-pin SOIC,
Tape & Reel
NC
A1
A2
VSS
VDD
WP
SCL
SDA
1
2
3
4
8
7
6
5


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