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CY15B204QSN-108SXET
  • CY15B204QSN-108SXET

CY15B204QSN-108SXET

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The CY15B204QSN-108SXET is a 4 Mb EXCELON™ Auto Ferroelectric RAM (F-RAM) with a 512K × 8 organization and high-speed Quad SPI interface supporting up to 108 MHz SDR and 54 MHz DDR. It delivers 10^13 endurance cycles, 121-year data retention at 85°C, and instant non-volatile writes at bus speed. Operating from 1.8 V to 3.6 V across -40°C to +125°C, it integrates ECC, CRC, and advanced data protection.

Infineon Technologies CY15B204QSN-108SXET Product Info

16 April 2026 0

Parameters

Density

4 MBit

Family

EXCELON™

Frequency

108 MHz

Interfaces

QSPI

Lead Ball Finish

Pure Sn

Operating Temperature range

-40 °C to 125 °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

Automotive(E)

Features

  • 4 Mb ferroelectric RAM, 512K × 8
  • 10^13 read/write cycle endurance
  • 121-year data retention
  • Quad, Dual, Extended, Single SPI support
  • Up to 108 MHz SPI SDR, 54 MHz SPI DDR
  • Execute-in-place (XIP) read/write
  • Hardware write protect, software block
  • Embedded ECC and CRC for data integrity
  • Unique device ID, programmable serial number
  • 256-byte special sector, reflow tolerant
  • Low-power: 15 mA active, 0.1 µA hibernate
  • JEDEC-compliant I/O voltage and leakage

Description

  • Eliminates write delays, instant
  • No wear-out, supports frequent data logging
  • Reliable data retention for 121 years
  • Flexible SPI interface for easy integration
  • High-speed operation for fast access
  • No polling needed, seamless XIP operation
  • Robust data protection, prevents accidental
  • ECC/CRC ensure data reliability and error
  • Device traceability with unique IDs
  • Special sector survives reflow soldering
  • Low power reduces system energy use
  • JEDEC I/O levels ensure compatibility

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