64/256-Kbit Integrated Processor Chip Companion 2.7-5.5V FM31256-GTR With F-RAM
serial flash memory
,serial flash chip
FM31256-GTR 64-Kbit/256-Kbit Integrated Processor Chip Companion with F-RAM
Description:
The FM3164/FM31256 device combines a serial nonvolatile RAM with a real time clock (RTC) and a processor companion. The companion is a highly integrated peripheral including a processor supervisor, a comparator used for early power-fail warning, nonvolatile event counters, and a 64-bit serial number. The FM3164/FM31256 integrates these complementary but distinct functions under a common interface in a single package. The product is organized as two logical devices. The first is a memory and the second is the companion which includes all the remaining functions. From the system perspective they appear to be two separate devices with unique IDs on the serial bus.
Standard Features
■ 64-Kbit/256-Kbit ferroelectric random access memory (F-RAM)
❐ Logically organized as 8K × 8 (FM3164)/32K × 8 (FM31256)
❐ High-endurance 100 trillion (1014) read/writes
❐ 151-year data retention (See Data Retention and Endurance
on page 29)
❐ 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)
❐ 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 I2C interface
❐ Device select pins for up to 4 memory devices
■ Low power consumption
❐ 1.5 mA active current at 1 MHz
❐ 150 A standby current
■ Operating voltage: VDD = 2.7 V to 5.5 V
■ Industrial temperature: –40 C to +85 C
■ 14-pin small outline integrated circuit (SOIC) package
■ Restriction of hazardous substances (RoHS) compliant
FM25CL64B-G
FM25CL64B-GTR
FM25CL64B-DG
FM25CL64B-DGTR
FM3164/FM31256-G
FM3164/FM31256-GTR
Company Introduction:
CM GROUP Electronics, Established on 2012 year, become a reliable bridge between customers and original factory. CM GROUP, based on years experience of the ic industry and brand distribution, offers the best and reliable products and services for electrical and electronics manufacturer.
Main brand with Strong source:
Oversea: ST, ATMEL, Microchip, Xilinx, , AD, Power
Domestic: Holtek, XLSEMI
Main Products: MCU Chips, Flash Memory Chips, Programmable IC Chips, Amplifier IC, Power Management IC, LED Driver IC, Mosfet Power Transistor, Power Rectifier Diode, etc…
Main Application: Industry and Commercial Application, Power management and control, LED and LCD Driver, Circuit Board Control, Smart Home, Space Industry, Military Industry, etc…
What CM GROUP offer:
- 100000+ Regular items in stock in SZ and HK two warehouses to guarantee clients normal demand.
- 10+ sales with years experience in electronics components help to support 7/24.
- Reliable and strong source to ensure competitive price and keep items available.
- Ship the items within 24 hours after order confirmed for in stock regular items in SZ.
Left us your inquiry now, Or sent us your BOM List by email, our sales team would reply you within 24 hours.
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