Infineon Technologies CY15V104QSN-108BFXIT
- Part No.:
- CY15V104QSN-108BFXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-UFLGA
- Datasheet:
-
CY15V104QSN-108BFXIT.pdf
- Description:
- IC FRAM 4MBIT SPI/QUAD 8UFLGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY15V104QSN-108BFXIT from Infineon is a 4 Mb serial ferroelectric RAM (F-RAM) organized as 512K × 8, supporting quad SPI (QPI) up to 108 MHz SDR and 54 MHz DDR, with 1.71–1.89 V supply, –40°C to +85°C operation, and 100 trillion (10¹⁴) read/write endurance - deployed in industrial data logging systems requiring deterministic non-volatile writes without write latency.
For engineers reviewing the CY15V104QSN-108BFXIT datasheet, CY15V104QSN-108BFXIT pinout, CY15V104QSN-108BFXIT application, or CY15V104QSN-108BFXIT equivalent, key selection criteria include guaranteed 108 MHz QPI SDR timing, on-die ECC for 1-bit correction per 8-byte unit, hardware WP pin support, dedicated 256-byte reflow-survivable sector, and 0.1 µA hibernate current for ultra-low-power edge nodes.
Technical Context
This F-RAM implements instant-write non-volatility via ferroelectric capacitor array architecture, eliminating erase cycles and write polling. It supports SPI modes 0 and 3 for SDR transfers and mode 0 only for DDR, with configurable latency codes (MLC, RLC) and quad/dual/standard SPI protocol selection via CR2 and CR1 registers.
The device integrates dual status registers (SR1/SR2), four configuration registers (CR1–CR4), and dedicated control logic for CRC generation, ECC reporting, and block protection (BP2–BP0). Its special 256-byte sector retains data across three standard Pb-free reflow cycles, enabling firmware patch storage in system-in-package designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 4 Mbit (512K × 8) - directly replaces 4-Mbit serial flash or EEPROM in byte-addressable, high-write-cycle applications. |
| Interface Speed | 108 MHz SDR / 54 MHz DDR quad SPI - enables 432 MB/s peak read throughput in QPI SDR mode, matching microcontroller bus bandwidth. |
| Data Retention | 151 years at +85°C - eliminates field-replacement concerns in sealed industrial controllers with no refresh circuitry required. |
| Endurance | 10¹⁴ read/write cycles - sustains continuous 100 Hz logging for >31 years without wear leveling or garbage collection overhead. |
| Voltage Range | 1.71 V to 1.89 V - optimized for low-voltage SoC domains (e.g., ARM Cortex-M33 subsystems) with tight power rail constraints. |
| Active Current | 16 mA typical at 108 MHz QSPI SDR - enables real-time data capture without thermal derating in compact enclosures. |
| ECC Capability | Detects and corrects 1-bit error per 8-byte unit; reports 2-bit errors via status register - ensures integrity of critical configuration tables in safety-monitored systems. |
Pinout & Package
Supplied in an 8-pin SOIC package (3.9 mm × 4.9 mm, 1.27 mm pitch), compatible with standard surface-mount assembly and IPC-7351B footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select | Active-low enable for SPI command decoding; supports daisy-chaining with multiple slaves on shared bus. |
| SCK | Serial Clock | Master-generated clock up to 108 MHz; phase/polarity configurable for SPI modes 0 or 3. |
| SI (I/O0) | Serial Input / Quad I/O Line 0 | Input for standard SPI; functions as bidirectional I/O0 in QPI/DPI modes for address/data multiplexing. |
| SO (I/O1) | Serial Output / Quad I/O Line 1 | Output for standard SPI; bidirectional I/O1 in QPI/DPI, enabling full-duplex 4-bit parallel transfers. |
| WP (I/O2) | Write Protect Input | Hardware-level lock for status/configuration registers and memory blocks; overrides software protection when asserted. |
| RESET (I/O3) | Reset Input / Quad I/O Line 3 | Asynchronous reset for internal logic; also serves as I/O3 in QPI mode for expanded data path width. |
| VDD | Power Supply | 1.71–1.89 V core supply; decoupling required within 5 mm of pin for stable 108 MHz operation. |
| VSS | Ground | Reference return path for all I/O and core logic; must be connected to low-impedance PCB ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Instant Non-Volatile Write | Zero write latency - data committed to non-volatile array immediately after transfer; no timeout or polling needed for system-level determinism. |
| Dedicated Reflow-Survivable Sector | 256-byte F-RAM sector withstands three Pb-free reflow cycles (260°C peak) - stores immutable boot parameters or calibration data post-assembly. |
| On-Die ECC + CRC | ECC corrects 1-bit errors per 8-byte unit; CRC validates full-array integrity - reduces external error-handling firmware complexity in medical or industrial controllers. |
| Quad SPI + DDR Support | QPI mode enables 4× bandwidth vs standard SPI; DDR doubles effective throughput - accelerates firmware updates and large dataset reads in edge gateways. |
| Ultra-Low Hibernate Current | 0.1 µA typical - extends battery life in wireless sensor nodes during multi-year sleep intervals without compromising non-volatility. |
Applications
| Industrial Data Logger | Medical Sensor Hub |
|---|---|
Use Scenario: Continuous 100 Hz timestamped sensor sampling in oil-field downhole tools with no external power source between readings. IC Role / Device Role / Timing Role: Primary non-volatile buffer storing raw ADC samples prior to burst transmission; operates in hibernate mode between captures. Use Value: 10¹⁴ endurance ensures >31 years of uninterrupted logging; 0.1 µA hibernate current enables 10+ year battery life using primary Li-SOCl₂ cells. |
Use Scenario: Portable ECG monitor capturing 12-lead waveforms during patient transport, requiring immediate save-on-event without data loss. IC Role / Device Role / Timing Role: Real-time waveform buffer with instant write capability - captures full 30-second trace upon arrhythmia detection without flash write delay. Use Value: Eliminates risk of missed beats due to write latency; 151-year data retention guarantees stored diagnostics remain valid across device lifetime. |
| Smart Energy Meter | Automated Test Equipment (ATE) |
Use Scenario: Tamper-proof energy consumption logging with cryptographic signature updates every 15 minutes under utility regulatory compliance. IC Role / Device Role / Timing Role: Secure non-volatile storage for signed kWh totals and tamper timestamps; WP pin hardwired to secure MCU GPIO. Use Value: Hardware write protection prevents unauthorized register modification; embedded ECC ensures signature integrity against bit flips in EMI-heavy substations. |
Use Scenario: High-speed test pattern storage and result logging in semiconductor wafer probers performing 10k+ tests/hour. IC Role / Device Role / Timing Role: On-board pattern memory accessed via QPI DDR at 54 MHz - feeds stimulus vectors to DUT with sub-ns timing alignment. Use Value: 108 MHz SDR interface synchronizes with tester clock domain; 256-byte special sector stores per-wafer calibration coefficients surviving reflow. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar non-volatile serial memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY15B104QSN-108BFXIT | Wider VDD range (1.8–3.6 V); identical density, timing, and feature set. | Supports mixed-voltage systems (e.g., 3.3 V host with 1.8 V peripherals); not suitable for 1.71–1.89 V-only rails. | Select when board-level voltage flexibility is required; otherwise CY15V104QSN offers tighter regulation margin for low-power SoCs. |
| FM25V04-G | 4 Mb F-RAM, 1.7–2.2 V, 40 MHz SPI max; no QPI/DDR, no on-die ECC/CRC, no special sector. | Limited to basic logging where bandwidth < 40 MHz suffices and error correction is handled externally. | Choose only for cost-sensitive legacy designs lacking QPI or ECC requirements; lacks CY15V104QSN's industrial-grade reliability features. |
Compared with CY15B104QSN, the CY15V104QSN trades voltage flexibility for tighter 1.71–1.89 V optimization and lower active current; versus FM25V04-G, it delivers 2.7× higher interface speed, integrated ECC/CRC, and reflow-hardened sector - making it the sole option for high-integrity, high-throughput industrial edge storage.
Availability
CY15V104QSN-108BFXIT is available at Aetrix Electronics and suitable for industrial data loggers, medical sensor hubs, smart energy meters, and automated test equipment requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for CY15V104QSN-108BFXIT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor leader specializing in power systems, automotive ICs, and high-reliability memory solutions for industrial and mission-critical applications.
CY15V104QSN belongs to the EXCELON™ Ultra F-RAM product line, engineered specifically for industrial and medical systems demanding byte-level non-volatility, extreme endurance, and deterministic write performance without flash limitations.
FAQ
Does CY15V104QSN-108BFXIT support execute-in-place (XIP) operation?
Yes, the device supports XIP for memory read operations, allowing code execution directly from F-RAM without copying to SRAM. This reduces boot time and simplifies memory mapping in resource-constrained microcontrollers. XIP is enabled by default and requires no special configuration; however, write operations still require standard SPI commands and cannot be performed during XIP fetch cycles.
What is the purpose of the dedicated 256-byte special sector?
The dedicated 256-byte special sector is fabricated with enhanced process tolerance to survive up to three standard Pb-free reflow cycles (peak 260°C). It is intended for storing immutable data such as factory calibration constants, cryptographic keys, or bootloader configuration that must persist through PCB assembly and rework - unlike main array data, which may be erased during reflow.
How does the on-die ECC differ from external error correction schemes?
The on-die ECC operates transparently at the 8-byte granularity level, detecting and correcting single-bit errors in real time during read operations without CPU intervention. It reports uncorrectable 2-bit errors via the ECC status register (SR2[1:0]), enabling firmware to trigger recovery. Unlike external schemes, it imposes zero latency penalty and eliminates need for redundant storage or software-based Hamming code routines.
Can the WP pin be used to protect only specific memory blocks?
No - the WP pin provides global hardware protection for status and configuration registers, and optionally for memory blocks when combined with software block protection bits (BP2–BP0 in SR1). To protect specific sectors, BP bits must first be set via WRSR command while WP is deasserted; once configured, asserting WP locks those settings and prevents further modification of protected regions.
CY15V104QSN-108BFXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 8-UFLGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Memory Type:
- Non-Volatile
- Memory Format:
- FRAM
- Technology:
- FRAM (Ferroelectric RAM)
- Memory Size:
- 4Mbit
- Memory Organization:
- 512K x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 108 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- 6.7 ns
- Voltage - Supply:
- 1.71V ~ 1.89V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-UFLGA (3.28x3.23)
CY15V104QSN-108BFXIT FAQ
1.How can I place an order for CY15V104QSN-108BFXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY15V104QSN-108BFXIT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY15V104QSN-108BFXIT reliable?
The price and inventory of CY15V104QSN-108BFXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY15V104QSN-108BFXIT is usually 5 days.
3.What payment methods are accepted for CY15V104QSN-108BFXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY15V104QSN-108BFXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY15V104QSN-108BFXIT?
CY15V104QSN-108BFXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY15V104QSN-108BFXIT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY15V104QSN-108BFXIT?
For technical support, including CY15V104QSN-108BFXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY15V104QSN-108BFXIT requirements.
6.How does Aetrix verify that CY15V104QSN-108BFXIT is sourced from the original manufacturer or authorized distributors?
All CY15V104QSN-108BFXIT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY15V104QSN-108BFXIT meets industry standards.
7.What is the process for return or replacement of CY15V104QSN-108BFXIT?
All CY15V104QSN-108BFXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY15V104QSN-108BFXIT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY15V104QSN-108BFXIT part is unused and in its original packaging.
Return procedure for CY15V104QSN-108BFXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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