FM31276-G - Brand New Cypress Semiconductor Specialized ICs
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Description
The FM31276-G is an integrated device belonging to the FM3127x family that comes with all the necessary functions required for processor-based systems. The device has various features, such as nonvolatile memory available in diverse sizes, a real-time clock, a low-VDD reset, a watchdog timer, a nonvolatile event counter, a lockable 64-bit serial number area, and a general-purpose comparator that can be used for an early power-fail interrupt (NMI) or other purpose. The family operates from 4.0 to 5.5V.
Specifications and features
- Serial Nonvolatile Memory
- Real-time Clock (RTC)
- Low Voltage Reset
- Watchdog Timer
- Early Power-Fail Warning/NMI
- Two 16-bit Event Counters
- Serial Number with Write-lock for Security
Ferroelectric Nonvolatile RAM
- 4Kb, 16Kb, 64Kb, and 256Kb versions
- Virtually Unlimited Read/Write Endurance
- 38 year Data Retention (+75°C)
- NoDelay™ Writes
Real-time Clock/Calendar
- Backup Current under 1.4 μA
- Seconds through Centuries in BCD format
- Tracks Leap Years through 2099
- Uses Standard 32.768 kHz Crystal (12.5pF)
- Software Calibration
- Supports Battery or Capacitor Backup
Processor Companion
- Active-low Reset Output for VDD and Watchdog
- Programmable 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 Early Power-Fail Interrupt
- 64-bit Programmable Serial Number with Lock
Fast Two-wire Serial Interface
- Up to 1 MHz Maximum Bus Frequency
- Supports Legacy Timing for 100 kHz & 400 kHz
- Device Select Pins for up to 4 Memory Devices
- RTC, Supervisor Controlled via 2-wire Interface
Easy to Use Configurations
- Operates from 4.0 to 5.5V
- 14-pin “Green”/RoHS SOIC package (-G)
- Low Operating Current
- -40°C to +85°C Operation
- Underwriters Laboratory (UL) Recognized
Application Scenarios
The FM31276-G can be used in various electronics devices where microprocessor-based functions are required. Its high integration feature and diverse non-volatile memory sizes make it compatible for use in sectors that require secure data storage and reliability.
Comparison
Advantages- The diverse sizes of the nonvolatile memory making it compatible for various sectors.
- Can be operated from 4.0 to 5.5V
- Uses standard 32.768 kHz crystal for real-time clock/calendar
- Includes a watchdog timer to monitor system operations and identify malfunctions
Disadvantages- The device uses only 14-pin SOIC package for mounting
- The device is not cost-effective when only basic functions are needed
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download FM31276-G
- Chipdatas Part: CD86-FM31276-G
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/28 21:13 +0800
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- Full or Partial Refund , If the item is not as described
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