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FM25CL64-S Datasheet

  • FM25CL64-S

  • 64Kb FRAM Serial 3V Memory

  • 13頁

  • ETC

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FM25CL64
64Kb FRAM Serial 3V Memory
Features
64K bit Ferroelectric Nonvolatile RAM
鈥?/div>
Organized as 8,192 x 8 bits
鈥?/div>
Unlimited Read/Write Cycles
鈥?/div>
10 Year Data Retention
鈥?/div>
NoDelay鈩?Writes
鈥?/div>
Advanced High-Reliability Ferroelectric Process
Very Fast Serial Peripheral Interface - SPI
鈥?/div>
Up to 20 MHz Frequency
鈥?/div>
Direct Hardware Replacement for EEPROM
鈥?/div>
SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1)
Sophisticated Write Protection Scheme
鈥?/div>
Hardware Protection
鈥?/div>
Software Protection
Low Power Consumption
鈥?/div>
Low Voltage Operation 2.7-3.65V
鈥?/div>
1
碌A
Standby Current
Industry Standard Configuration
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Industrial Temperature -40擄C to +85擄C
鈥?/div>
8-pin SOIC
Description
The FM25CL64 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 10 years
while eliminating the complexities, overhead, and
system level reliability problems caused by
EEPROM and other nonvolatile memories.
Unlike serial EEPROMs, the FM25CL64 performs
write operations at bus speed. No write delays are
incurred. The next bus cycle may commence
immediately without the need for data polling. The
next bus cycle may start immediately. In addition, the
product offers virtually unlimited write endurance,
orders of magnitude more endurance than 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 FM25CL64 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 FM25CL64 provides substantial benefits to users
of serial EEPROM as a hardware drop-in
replacement. The FM25CL64 uses the high-speed
SPI bus, which enhances the high-speed write
capability
of
FRAM
technology.
Device
specifications are guaranteed over an industrial
temperature range of -40擄C to +85擄C.
This product conforms to specifications per the terms of the Ramtron
standard warranty. Production processing does not necessarily in-
clude testing of all parameters.
Pin Configuration
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VDD
HOLD
SCK
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
Supply Voltage
Ground
Ordering Information
FM25CL64-S
8-pin SOIC
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000, Fax (719) 481-7058
www.ramtron.com
Rev. 2.1
Apr. 2003
Page 1 of 13

FM25CL64-S 產(chǎn)品屬性

  • Ramtron

  • F-RAM

  • 64 KB

  • 8 K x 8

  • SPI

  • 2.7 V to 3.65 V

  • - 40 C to + 85 C

  • SMD/SMT

  • SOIC-8

  • Tube

  • 100

FM25CL64-S相關型號PDF文件下載

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  • 英文版
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