FM24C16B
16-Kbit (2K × 8) Serial (I2C) F-RAM
16-Kbit (2K
× 8) Serial (I2C) F-RAM
Features
Functional Description
The FM24C16B is a 16-Kbit nonvolatile memory employing an
advanced ferroelectric process. A ferroelectric random access
memory or F-RAM is nonvolatile and performs reads and writes
similar to a RAM. It provides reliable data retention for 151 years
while eliminating the complexities, overhead, and system-level
reliability problems caused by EEPROM and other nonvolatile
memories.
■ 16-Kbit ferroelectric random access memory (F-RAM) logically
organized as 2K × 8
❐ High-endurance 100 trillion (1014) read/writes
❐ 151-year data retention (See Data Retention and Endurance
on page 10)
❐ NoDelay™ writes
❐ Advanced high-reliability ferroelectric process
Unlike EEPROM, the FM24C16B performs write operations at
bus speed. No write delays are incurred. Data is written to the
memory array immediately after each byte is successfully
transferred to the device. The next bus cycle can commence
without the need for data polling. In addition, the product offers
substantial write endurance compared with other nonvolatile
memories. Also, F-RAM exhibits much lower power during writes
than EEPROM since write operations do not require an internally
elevated power supply voltage for write circuits. The FM24C16B
is capable of supporting 1014 read/write cycles, or 100 million
times more write cycles than EEPROM.
■ Fast 2-wire Serial interface (I2C)
❐ Up to 1-MHz frequency
❐ Direct hardware replacement for serial (I2C) EEPROM
❐ Supports legacy timings for 100 kHz and 400 kHz
■ Low power consumption
❐ 100 A active current at 100 kHz
❐ 4 A (typ) standby current
■ Voltage operation: VDD = 4.5 V to 5.5 V
■ Industrial temperature: –40 C to +85 C
These capabilities make the FM24C16B ideal for nonvolatile
memory applications, requiring frequent or rapid writes.
Examples range from data logging, 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.
■ 8-pin small outline integrated circuit (SOIC) package
■ Restriction of hazardous substances (RoHS) compliant
The FM24C16B provides substantial benefits to users of serial
(I2C) EEPROM as a hardware drop-in replacement. The device
specifications are guaranteed over an industrial temperature
range of –40 C to +85 C.
For a complete list of related documentation, click here.
Logic Block Diagram
2 K x 8
F-RAM Array
Address
Counter
Latch
11
8
Serial to Parallel
Converter
SDA
Data Latch
8
SCL
Control Logic
WP
Cypress Semiconductor Corporation
Document Number: 001-84450 Rev. *M
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised December 5, 2018
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