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FM24CL32 データシート(PDF) 1 Page - Ramtron International Corporation

部品番号 FM24CL32
部品情報  32Kb Serial 3V F-RAM Memory
Download  12 Pages
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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

FM24CL32 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
http://www.ramtron.com
Rev. 1.0
May 2009
Page 1 of 12
FM24CL32
32Kb Serial 3V F-RAM Memory
Features
32K bit Ferroelectric Nonvolatile RAM
Organized as 4,096 x 8 bits
Unlimited Read/Write Cycles
45 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
True 2.7V-3.6V Operation
70
µA Active Current (100 kHz)
12
µA Standby Current
Industry Standard Configuration
Industrial Temperature -40
° C to +85° C
8-pin “Green”/RoHS SOIC Package
Description
The FM24CL32 is a 32-kilobit nonvolatile memory
employing an advanced ferroelectric process. A
ferroelectric random access memory or F-RAM is
nonvolatile and performs reads and writes like a
RAM. It provides reliable data retention for 45 years
while eliminating the complexities, overhead, and
system
level
reliability
problems
caused
by
EEPROM and other nonvolatile memories.
The FM24CL32 performs write operations at bus
speed. No write delays are incurred. The next bus
cycle may commence immediately without the need
for data polling. In addition, the product offers write
endurance
orders
of
magnitude
higher
than
EEPROM. Also, F-RAM 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 FM24CL32 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 FM24CL32 provides substantial benefits to users
of serial EEPROM, yet these benefits are available in
a hardware drop-in replacement. The FM24CL32 is
available in an industry standard 8-pin SOIC package
using a familiar two-wire protocol. It is 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
FM24CL32-G
“Green”/RoHS 8-pin SOIC
FM24CL32-GTR
“Green”/RoHS 8-pin SOIC,
Tape & Reel


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