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FM25C160C fiches techniques PDF

Ramtron - 5V F-RAM Memory

Numéro de référence FM25C160C
Description 5V F-RAM Memory
Fabricant Ramtron 
Logo Ramtron 





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FM25C160C fiche technique
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Preliminary
FM25C160C
16Kb Serial 5V F-RAM Memory
Features
16K bit Ferroelectric Nonvolatile RAM
Organized as 2,048 x 8 bits
High Endurance 1 Trillion (1012) Read/Writes
36 year Data Retention at +75C
NoDelay™ Writes
Advanced High-Reliability Ferroelectric Process
Very Fast Serial Peripheral Interface - SPI
Up to 20 MHz maximum Bus Frequency
Direct hardware replacement for EEPROM
SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1)
Description
The FM25C160C is a 16-kilobit nonvolatile memory
employing an advanced ferroelectric process. A
ferroelectric random access memory or F-RAM is
nonvolatile but operates in other respects as a RAM.
It provides reliable data retention for 36 years while
eliminating the complexities, overhead, and system
level reliability problems caused by EEPROM and
other nonvolatile memories.
The FM25C160C performs write operations at bus
speed. No write delays are incurred. Data is written to
the memory array immediately after it has been
successfully transferred to the device. The next bus
cycle may commence immediately without the need
for data polling. The FM25C160C is capable of
supporting up to 1012 read/write cycles, or a million
times more write cycles than EEPROM.
These capabilities make the FM25C160C 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 FM25C160C provides substantial benefits to
users of serial EEPROM, in a hardware drop-in
replacement. The FM25C160C uses the high-speed
SPI bus, which enhances the high-speed write
capability of F-RAM technology. The specifications
are guaranteed over an industrial temperature range
of -40°C to +85°C.
Sophisticated Write Protection Scheme
Hardware Protection
Software Protection
Low Power Consumption
250 A Active Current (1 MHz)
4 A (typ.) Standby Current
Industry Standard Configuration
Industrial Temperature -40C to +85C
8-pin “Green”/RoHS SOIC (-G)
Pin Configuration
CS
SO
WP
VSS
1
2
3
4
8 VDD
7 HOLD
6 SCK
5 SI
Pin Name
/CS
/WP
/HOLD
SCK
SI
SO
VDD
VSS
Function
Chip Select
Write Protect
Hold
Serial Clock
Serial Data Input
Serial Data Output
5V
Ground
Ordering Information
FM25C160C-G
“Green” 8-pin SOIC
FM25C160C-GTR “Green” 8-pin SOIC,
Tape & Reel
This is a product that has fixed target specifications but are subject
to change pending characterization results.
Rev. 1.1
July 2011
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-F-RAM, (719) 481-7000
www.ramtron.com
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