Cypress Semiconductor FM31L276-G Serial-I2C FRAM Memory, 64kbit 14-Pin SOIC

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

64-Kbit/256-Kbit ferroelectric random access memory (F-RAM)
Logically organized as 8K ´ 8 (FM31L276)/
32K ´ 8 (FM31L278)
High-endurance 100 trillion (1014) read/writes
151-year data retention
NoDelay™ writes
Advanced high-reliability ferroelectric process
High Integration Device Replaces Multiple Parts
Serial nonvolatile memory
Real time clock (RTC)
Low voltage reset
Watchdog timer
Early power-fail warning/NMI
Two 16-bit event counter
Serial number with write-lock for security
Real-time Clock/Calendar
Backup current at 2 V: 1.15 A at +25 C
Seconds through centuries in BCD format
Tracks leap years through 2099
Uses standard 32.768 kHz crystal (6 pF/12.5 pF)
Software calibration
Supports battery or capacitor backup
Processor Companion
Active-low reset output for VDD and watchdog
Programmable low-VDD reset trip point
Manual reset filtered and debounced
Programmable watchdog timer
Dual Battery-backed event counter tracks system intrusions or other events
Comparator for power-fail interrupt
64-bit programmable serial number with lock
Fast 2-wire serial interface (I2C)
Up to 1-MHz frequency
Supports legacy timings for 100 kHz and 400 kHz
RTC, Supervisor controlled via I
2C interface
Device select pins for up to 4 memory devices
Low power consumption
1.5 mA active current at 1 MHz
120 A standby current
Operating voltage: VDD = 2.7 V to 3.6 V
Industrial temperature: –40 C to +85 C

Attribute Value
Memory Size 64kbit
Organisation 8K x 8 bit
Interface Type Serial-I2C
Mounting Type Surface Mount
Package Type SOIC
Pin Count 14
Dimensions 8.73 x 3.98 x 1.48mm
Length 8.73mm
Maximum Operating Supply Voltage 3.6 V
Width 3.98mm
Height 1.48mm
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Automotive Standard AEC-Q100
Minimum Operating Supply Voltage 2.7 V
Number of Bits per Word 8bit
Number of Words 8K
336 In stock for delivery within 5 working day(s) (Global Stock)
Price (ex. GST) Each (In a Tube of 56)
$ 14.47
(exc. GST)
$ 15.92
(inc. GST)
Per unit
Per Tube*
56 +
*price indicative