FM24C16B Ramtron, FM24C16B Datasheet

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FM24C16B

Manufacturer Part Number
FM24C16B
Description
16Kb Serial 5V F-RAM Memory
Manufacturer
Ramtron
Datasheet

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Preliminary
FM24C16B
16Kb Serial 5V F-RAM Memory
Features
16K bit Ferroelectric Nonvolatile RAM
Fast Two-wire Serial Interface
Description
The FM24C16B is a 16-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 FM24C16B 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 FM24C16B is capable of
supporting 10
more write cycles than EEPROM.
These capabilities make the FM24C16B 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 the system to write
data more frequently, with less system overhead.
The FM24C16B provides substantial benefits to users
of serial EEPROM, and these benefits are available as
a hardware drop-in replacement. The FM24C16B 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.
This is a product that has fixed target specifications but are subject
to change pending characterization results.
Rev. 1.3
July 2011
Organized as 2,048 x 8 bits
High Endurance (10
38 year Data Retention
NoDelay™ Writes
Advanced High-Reliability Ferroelectric Process
Up to 1MHz maximum bus frequency
Direct hardware replacement for EEPROM
Supports legacy timing for 100 kHz & 400 kHz
12
read/write cycles, or a million times
12
) Read/Write Cycles
Low Power Operation
Industry Standard Configuration
Pin Configuration
Pin Names
SDA
SCL
WP
VSS
VDD
Ordering Information
FM24C16B-G
FM24C16B-GTR
VSS
5V operation
100 A Active Current (100 kHz)
4 A (typ.) Standby Current
Industrial Temperature -40 C to +85 C
8-pin “Green”/RoHS SOIC (-G)
NC
NC
NC
1850 Ramtron Drive, Colorado Springs, CO 80921
1
2
3
4
Function
Serial Data/Address
Serial Clock
Write Protect
Ground
Supply Voltage
Ramtron International Corporation
“Green”/RoHS 8-pin SOIC
“Green”/RoHS 8-pin SOIC,
Tape & Reel
(800) 545-FRAM, (719) 481-7000
8
7
6
5
VDD
WP
SCL
SDA
www.ramtron.com
Page 1 of 12
Datasheet pdf - http://www.DataSheet4U.net/

Related parts for FM24C16B

FM24C16B Summary of contents

Page 1

... 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 FM24C16B is capable of 12 supporting 10 read/write cycles million times more write cycles than EEPROM ...

Page 2

... Write Protect: When WP is high, the entire array is write-protected. When WP is low, all addresses may be written. This pin is internally pulled down. Supply Voltage (5V) Ground No connect FM24C16B - 16Kb 5V I2C F-RAM 256 x 64 FRAM Array 8 Data Latch Page ...

Page 3

... Overview The FM24C16B is a serial FRAM memory. The memory array is logically organized as a 2,048 x 8 memory array and is accessed using an industry standard two-wire interface. Functional operation of the FRAM is similar to serial EEPROMs. The major difference between the FM24C16B and a serial EEPROM with the same pinout relates to its superior write performance ...

Page 4

... If the receiver acknowledges the last byte, this will cause the FM24C16B to attempt to drive the bus on the next clock while the master is sending a new command such as a Stop. ...

Page 5

... All data transfer occurs MSB (most significant bit) first. Rev. 1.3 July 2011 Page Memory Operation Select The FM24C16B is designed to operate in a manner very similar to other 2-wire interface memory products. The major differences result from the R/W higher performance write capability of FRAM technology ...

Page 6

... FM24C16B should read out the next sequential byte. There are four ways to properly terminate a read operation. Failing to properly terminate the read will most likely create a bus contention as the FM24C16B Rev. 1.3 July 2011 Start Address & Data ...

Page 7

... Therefore, endurance cycles are applied for each read or write cycle. The memory architecture is based on an array of rows and columns. Each read or write access causes an endurance cycle for an entire row. In the FM24C16B, a row is 64 bits wide. Every 8-byte boundary marks 19 July 2011 Start ...

Page 8

... IH 0. -0.3V and V , other inputs Stop command issued Does not apply to WP pin FM24C16B - 16Kb 5V I2C F-RAM Ratings -1.0V to +7.0V -1.0V to +7.0V SS and V < V +1. -55C to +125C 260 C 4kV 1.25kV 100V MSL-1 Typ Max Units 5 ...

Page 9

... 5V) DD Parameter Max min -40C to +85 4.5V to 5.5V unless otherwise specified min) to First Access (Start condition) DD min) DD waveform. DD FM24C16B - 16Kb 5V I2C F-RAM Min Max Min Max Units 0 400 0 1000 kHz s 1.3 0.6 s 0.6 0.4 s 0.9 0.55 s 1.3 0.5 s 0.6 0.25  ...

Page 10

... HIGH BUF t AA Stop Start t t HD:STA t SU:STO Stop Start Start Min FM24C16B - 16Kb 5V I2C F-RAM Equivalent AC Load Circuit 5.5V 1700  Output 100 LOW 1/fSCL t HD:DAT t SU:DAT t DH Acknowledge t HD:DAT t SU:DAT AA Acknowledge Max Units ...

Page 11

... Legend: XXXXXX= part number, P= package type R=rev code, LLLLLLL= lot code RIC=Ramtron Int‟l Corp, YY=year, WW=work week Example: FM24C16B, “Green” SOIC package, Year 2010, Work Week 49 FM24C16B-G A00002G1 RIC1049 FM24C16B - 16Kb 5V I2C F-RAM Recommended PCB Footprint 7.70 3.70 2.00 0.65 1.27 0.25 0.50 0.19 45 ...

Page 12

... Revision History Revision 1.0 11/10/2010 1.1 12/20/2010 1.2 2/15/2011 1.3 7/19/2011 Rev. 1.3 July 2011 Date Summary Initial Release Changed V (max Changed t and t spec limits Added ESD ratings. FM24C16B - 16Kb 5V I2C F-RAM +0.3V. Page Datasheet pdf - http://www.DataSheet4U.net/ ...

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