FM24CL64S Ramtron, FM24CL64S Datasheet
FM24CL64S
Manufacturer Part Number
FM24CL64S
Description
SOP8
Manufacturer
Ramtron
Datasheet
1.FM24CL64-GTR.pdf
(13 pages)
Specifications of FM24CL64S
Date_code
09+
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FM24CL64
64Kb Serial 3V FRAM Memory
Features
64K bit Ferroelectric Nonvolatile RAM
Fast Two-wire Serial Interface
Description
The FM24CL64 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 45 years
while eliminating the complexities, overhead, and
system
EEPROM and other nonvolatile memories.
The FM24CL64 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
EEPROM. Also, FRAM 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 FM24CL64 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 FM24CL64 provides substantial benefits to users
of serial EEPROM, yet these benefits are available in
a hardware drop-in replacement. The FM24CL64 is
available in industry standard 8-pin SOIC and DFN
packages using a familiar two-wire protocol. It is
guaranteed over an industrial temperature range of
-40°C to +85°C.
This product conforms to specifications per the terms of the Ramtron
standard warranty. The product has completed Ramtron’s internal
qualification testing and has reached production status.
Rev. 3.1
Mar. 2005
Organized as 8,192 x 8 bits
Unlimited Read/Write Cycles
45 year Data Retention
NoDelay™ Writes
Advanced High-Reliability Ferroelectric Process
Up to 1 MHz maximum bus frequency
Direct hardware replacement for EEPROM
Supports legacy timing for 100 kHz & 400 kHz
level
orders
reliability
of
magnitude
problems
higher
caused
than
by
Industry Standard Configuration
Pin Configuration
Low Power Operation
Pin Names
A0-A2
SDA
SCL
WP
VSS
VDD
Ordering Information
FM24CL64-S
FM24CL64-G
FM24CL64-DG
True 2.7V-3.6V Operation
75 A Active Current (100 kHz)
1 A Standby Current
Industrial Temperature -40 C to +85 C
8-pin SOIC and 8-pin DFN Packages
“Green” Packaging Options
VSS
A0
A1
A2
1850 Ramtron Drive, Colorado Springs, CO 80921
VSS
A0
A1
A2
Function
Device Select Address
Serial Data/address
Serial Clock
Write Protect
Ground
Supply Voltage
1
2
3
4
Top View
1
2
3
4
8-pin SOIC
“Green” 8-pin SOIC
“Green” 8-pin DFN
Ramtron International Corporation
(800) 545-FRAM, (719) 481-7000
8
7
6
5
8
7
6
5
www.ramtron.com
VDD
WP
SCL
SDA
VDD
WP
SCL
SDA
Page 1 of 13
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