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選取全部	屬性	值
	品牌	Infineon
	Product Type	FRAM
	Memory Size	64kB
	Data Bus Width	8bit
	Maximum Random Access Time	3000ns
	Maximum Clock Frequency	1MHz
	Mount Type	Surface
	Package Type	SOIC
	Pin Count	14
	Length	8.73mm
	Height	1.48mm
	Standards/Approvals	No
	Maximum Operating Temperature	85°C
	Minimum Operating Temperature	-40°C
	Number of Words	8K
	Automotive Standard	AEC-Q100
	Minimum Supply Voltage	2.7V
	Maximum Supply Voltage	3.6V
	Number of Bits per Word	8

	選取全部
	品牌 Infineon
	Product Type FRAM
	Memory Size 64kB
	Data Bus Width 8bit
	Maximum Random Access Time 3000ns
	Maximum Clock Frequency 1MHz
	Mount Type Surface
	Package Type SOIC
	Pin Count 14
	Length 8.73mm
	Height 1.48mm
	Standards/Approvals No
	Maximum Operating Temperature 85°C
	Minimum Operating Temperature -40°C
	Number of Words 8K
	Automotive Standard AEC-Q100
	Minimum Supply Voltage 2.7V
	Maximum Supply Voltage 3.6V
	Number of Bits per Word 8

Datasheet FM31L276-G

64-Kbit/256-Kbit ferroelectric random access memory (F-RAM)

Logically organized as 8K x 8 (FM31L276)/

32K x 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

Infineon 64 kB FRAM 14-Pin SOIC

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