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FM24C04A-S データシート(PDF) 1 Page - List of Unclassifed Manufacturers

部品番号 FM24C04A-S
部品情報  4Kb FRAM Serial Memory
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This product conforms to specifications per the terms of the Ramtron
Ramtron International Corporation
standard warranty. Production processing does not necessarily in-
1850 Ramtron Drive, Colorado Springs, CO 80921
clude testing of all parameters.
(800) 545-FRAM, (719) 481-7000, Fax (719) 481-7058
www.ramtron.com
Rev. 2.0
July 2003
1 of 12
FM24C04A
4Kb FRAM Serial Memory
Features
4K bit Ferroelectric Nonvolatile RAM
Organized as 512 x 8 bits
High Endurance 10
12 Read/Writes
10 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
Low Power Operation
5V operation
150
µA Active Current (100 kHz)
10
µA Standby Current
Industry Standard Configuration
Industrial Temperature -40
° C to +85° C
8-pin SOIC
Description
The FM24C04A 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 10 years
while eliminating the complexities, overhead, and
system level reliability problems caused by EEPROM
and other nonvolatile memories.
Unlike serial EEPROMs, the FM24C04A 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.
These capabilities make the FM24C04A 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 reduced overhead for the system.
The FM24C04A provides substantial benefits to users
of serial EEPROM, yet these benefits are available in
a hardware drop-in replacement. The FM24C04A is
available in industry standard 8-pin packages using a
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 5V
Ordering Information
FM24C04A-S
8-pin SOIC
NC
A1
A2
VSS
VDD
WP
SCL
SDA
1
2
3
4
8
7
6
5


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