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FM24C04B-GTR データシート(PDF) 1 Page - Cypress Semiconductor

部品番号 FM24C04B-GTR
部品情報  4Kb Serial 5V F-RAM Memory
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メーカー  CYPRESS [Cypress Semiconductor]
ホームページ  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

FM24C04B-GTR データシート(HTML) 1 Page - Cypress Semiconductor

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This product conforms to specifications per the terms of the Ramtron
Ramtron International Corporation
standard warranty. The product has completed Ramtron’s internal
1850 Ramtron Drive, Colorado Springs, CO 80921
qualification testing and has reached production status.
(800) 545-FRAM, (719) 481-7000
Rev. 3.0
www.ramtron.com
Jan. 2012
Page 1 of 12
FM24C04B
4Kb Serial 5V F-RAM Memory
Features
4K bit Ferroelectric Nonvolatile RAM
Organized as 512 x 8 bits
High Endurance 10
12 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 A Active Current (100 kHz)
4 A (typ.) Standby Current
Industry Standard Configuration
Industrial Temperature -40 C to +85 C
8-pin “Green”/RoHS SOIC (-G)
Description
The FM24C04B 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 FM24C04B 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 FM24C04B is capable of
supporting 10
12 read/write cycles, or a million times
more write cycles than EEPROM.
These capabilities make the FM24C04B 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 FM24C04B provides substantial benefits to users
of serial EEPROM, yet these benefits are available in
a hardware drop-in replacement. The FM24C04B is
available in an industry standard 8-pin SOIC package
and
uses
a
familiar
two-wire
protocol.
The
specifications are guaranteed over the industrial
temperature range from -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
FM24C04B-G
“Green”/RoHS 8-pin SOIC
FM24C04B-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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