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CY15B104QN-50BFXI
  • CY15B104QN-50BFXI

CY15B104QN-50BFXI

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The CY15B104QN-50BFXI is a 4-Mb EXCELON™ LP ferroelectric RAM (F-RAM) with SPI interface, organized as 512K × 8 for industrial use. It delivers virtually unlimited endurance of 1015 read/write cycles and 151-year data retention, with instant non-volatile write at bus speed. Operating from 1.8 V to 3.6 V across –40°C to +85°C, it supports up to 50 MHz SPI clock. The 8-pin UFLGA package is RoHS compliant, ideal for rapid data updates in demanding systems.

Infineon Technologies CY15B104QN-50BFXI Product Info

16 April 2026 0

Parameters

Density

4 MBit

Family

Excelon

Frequency

50 MHz

Interfaces

SPI

Lead Ball Finish

Ni/Au

Operating Temperature range

-40 °C to 85 °C

Operating Voltage range

1.8 V to 3.6 V

Organization (X x Y)

512Kb x 8

Peak Reflow Temp

260 °C

Planned to be available until at least

2033

Qualification

Industrial

Features

  • 4-Mb ferroelectric RAM, 512K × 8 organization
  • Virtually unlimited 10^15 read/write cycles
  • 151-year data retention at 70°C
  • SPI interface up to 50 MHz
  • Supports SPI mode 0 and mode 3
  • Hardware and software write protection
  • Dedicated 256-byte special sector
  • Unique device ID and serial number
  • Low active current: 2.4 mA at 40 MHz
  • Standby current: 2.3 µA (typ)
  • Deep power-down: 0.7 µA (typ)
  • Hibernate mode: 0.1 µA (typ)

Description

  • Reliable for frequent, rapid data logging
  • No wear-out, ideal for mission-critical use
  • Long-term data integrity, minimal refresh
  • Fast SPI enables high-speed system design
  • Flexible integration with standard SPI hosts
  • Enhanced data security and tamper resistance
  • Special sector survives soldering reflow
  • Easy device tracking and authentication
  • Low power extends battery/system life
  • Minimizes standby energy consumption
  • Deep sleep reduces power in idle states
  • Hibernate mode for ultra-low power standby

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