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FM25L16B-DGTR

16Kbit SPI F-RAM, 2Kx8, 20MHz, 10^14 endurance, NoDelay writes, 8-TDFN, EEPROM replacement

2853

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制造商零件：

FM25L16B-DGTR

包装：

8-TDFN (4x4.5mm)

品牌：
产品类别：
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说明

产品概览

The FM25L16B-DGTR from Infineon (formerly Ramtron/Cypress) is a 16Kbit (2K x 8) serial F-RAM memory with SPI interface operating up to 20MHz. Offering 100 trillion (10^14) read/write cycles and 151-year data retention at 65°C, it provides NoDelay writes and serves as a drop-in EEPROM replacement. Housed in 8-TDFN (4×4.5mm), it operates from 2.7V to 3.6V.

主要规格

Memory Type F-RAM (Ferroelectric RAM)
Density 16 Kbit
Organization 2K x 8
Interface SPI (Mode 0 & 3)
Max Clock Frequency 20 MHz
电源电压 2.7V ~ 3.6V
Write Endurance 10^14 (100 trillion) read/write cycles
Data Retention 151 years @ 65°C
Active Current 200 μA @ 1MHz
Standby Current 3 μA (typical)
工作温度 -40°C ~ 85°C
包装 8-TDFN (4×4.5mm)
部件状态 活跃

特点

  • 100 trillion (10^14) read/write cycles — 100 million times more than EEPROM
  • 151-year data retention at 65°C
  • NoDelay writes — no write delay or polling needed
  • 20MHz SPI interface compatible with SPI Mode 0 and Mode 3
  • Hardware and software write protection with block protect
  • Drop-in replacement for serial EEPROM
  • Low power: 200μA active, 3μA standby
  • RoHS compliant, halogen-free

应用

  • Data logging and frequent-write applications
  • 工业控制和自动化
  • Metering and smart grid
  • Automotive systems (non-critical)
  • Configuration storage in networking equipment

The FM25L16B-DGTR from Infineon is a 16-kilobit nonvolatile F-RAM (Ferroelectric RAM) memory organized as 2,048 x 8 bits. Unlike EEPROM, F-RAM performs writes at bus speed with no write delay, eliminating the need for data polling between write operations. The device supports 100 trillion (10^14) read/write cycles, which is 100 million times more than typical EEPROM, making it ideal for applications requiring frequent or rapid writes. Data retention is guaranteed for 151 years at 65°C. The SPI interface supports clock frequencies up to 20MHz and is compatible with both SPI Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1). The FM25L16B is a hardware drop-in replacement for serial EEPROM, offering dramatically better write endurance and speed without requiring changes to the SPI bus protocol.

The FM25L16B-DGTR uses ferroelectric capacitor technology to achieve nonvolatile data storage. Each memory cell contains a ferroelectric capacitor whose polarization state represents the stored data bit. Unlike EEPROM which uses floating-gate transistors requiring high-voltage programming and erase cycles, F-RAM writes data by applying a voltage to the ferroelectric capacitor, which switches its polarization state in nanoseconds. This eliminates the need for a charge pump and the associated write delay. The read operation senses the polarization state of the capacitor through a charge-sensing amplifier. Because the read operation is destructive (it flips the polarization), the data is automatically rewritten after each read. The SPI interface handles all command decoding, address latching, and data transfer operations.

针脚 名称 类型 说明
1 /CS I Chip select (active low)
2 SO O Serial data output (MISO)
3 /WP I Write protect (protects status register)
4 VSS 接地 地面
5 SI I Serial data input (MOSI)
6 SCK I Serial clock
7 /HOLD I SPI hold (pauses serial communication)
8 VDD PWR Supply voltage (2.7V-3.6V)
  • Data Logging: Frequent sensor data writes in industrial and metering applications without wear concerns
  • Metering: Nonvolatile storage for calibration data and running totals in smart meters
  • 工业控制: Rapid configuration writes in PLCs and motor controllers
  • Networking: MAC address, serial number, and configuration storage with NoDelay writes
  • Automotive: Non-critical parameter storage with virtually unlimited endurance
模型 制造商 主要区别
FM25L16B-GTR 英飞凌 SOIC-8 package variant
FM25L04B-DGTR 英飞凌 4Kbit version, same pinout
FM25V01-G 英飞凌 16Kbit, wider voltage (1.5V-5.5V)
MB85RS16PNF-G-JNERE1 Fujitsu 16Kbit F-RAM, SPI, similar specs
AT25LN011 微型芯片 1Mbit EEPROM (if endurance is not critical)
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发货与付款

我们从合作供应链采购的所有电子元件都经过严格的进货检验。通过仔细的测试，我们确保交付给客户的所有产品都是原装正品，符合质量要求。此外，我们还保存完整的检验记录，使整个供应链流程清晰可查。.

认证
我们获得了多项专业认证，并建立了自己的专业检测实验室，确保交付给客户的每一件产品都符合最高质量要求。我们严格按照流程进行检测，确保产品质量稳定、参数准确。为保证原装正品，我们还与可靠的第三方检测机构合作，进行严格的质量检测。我们始终高度重视质量，完全符合行业标准、相关法规和 ISO 9001:2015 的要求。.

服务与包装

我们从合作供应链采购的所有电子元件都经过严格的进货检验。通过仔细的测试，我们确保交付给客户的所有产品都是原装正品，符合质量要求。此外，我们还保存完整的检验记录，使整个供应链流程清晰可查。.

认证
我们获得了多项专业认证，并建立了自己的专业检测实验室，确保交付给客户的每一件产品都符合最高质量要求。我们严格按照流程进行检测，确保产品质量稳定、参数准确。为保证原装正品，我们还与可靠的第三方检测机构合作，进行严格的质量检测。我们始终高度重视质量，完全符合行业标准、相关法规和 ISO 9001:2015 的要求。.

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