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Infineon Technologies CY15B108QN20BFXIXQLA1
- Part No.:
- CY15B108QN20BFXIXQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-UFLGA
- Datasheet:
-
CY15B108QN20BFXIXQLA1.pdf
- Description:
- IC FRAM 8MBIT SPI 8UFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,484
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Product details
Overview
CY15B108QN20BFXIXQLA1 from Infineon is an 8 Mb serial ferroelectric RAM (F-RAM) organized as 1024K × 8, operating over SPI at up to 40 MHz with 1.8 V–3.6 V supply, 10¹⁵ write endurance, and 151-year data retention. It serves as a non-volatile memory replacement for EEPROM/flash in high-write-cycle industrial data loggers, sensor nodes, and metering systems where instant write and low power are critical.
For engineers reviewing the CY15B108QN20BFXIXQLA1 datasheet, CY15B108QN20BFXIXQLA1 pinout, CY15B108QN20BFXIXQLA1 application, or CY15B108QN20BFXIXQLA1 equivalent, key selection criteria include SPI mode 0/3 compatibility, hardware/software write protection, dedicated 256-byte reflow-survivable sector, and deep power-down current of 0.90 µA - all confirmed in Infineon's Rev. *L datasheet.
Technical Context
The CY15B108QN20BFXIXQLA1 implements a true SPI slave interface with zero-latency writes: data commits immediately after each byte transfer without polling, enabled by ferroelectric memory cell physics. Its control logic integrates a non-volatile status register, device ID/serial number registers, and dedicated 256-byte special sector with guaranteed survival across three reflow cycles.
Write protection operates at two levels: hardware via active-low WP pin (when WPEN=1), and software via WRDI instruction and block-protect bits for 1/4, 1/2, or full array. The device supports both SPI mode 0 (CPOL=0, CPHA=0) and mode 3 (CPOL=1, CPHA=1), with SCK input synchronized to rising edge and SO output timed to falling edge.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory density | 8 Mb (1024K × 8 bits); enables storage of >1 million sensor samples without external compression |
| Max SPI clock | 40 MHz; supports 4 MB/s sustained write throughput with no wait states |
| Write endurance | 10¹⁵ read/write cycles; eliminates wear-leveling firmware overhead in logging applications |
| Data retention | 151 years at +85°C; validated per JEDEC JESD22-A117, enabling unattended field deployment |
| VDD range | 1.8 V to 3.6 V; interoperable with 1.8 V, 2.5 V, and 3.3 V microcontroller I/O domains |
| Deep power-down current | 0.90 µA (typ); extends battery life in energy-harvesting IoT endpoints beyond 10 years |
| Operating temperature | –40°C to +85°C (industrial grade); qualified per AEC-Q100 stress test conditions |
Pinout & Package
Package: 8-pin SOIC (Small Outline Integrated Circuit), RoHS-compliant, surface-mount, standard footprint compatible with automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select input | Active-low enable; places device in standby (3.5 µA) when HIGH, activates SPI interface on falling edge |
| SCK | Serial clock input | Synchronizes all transfers; inputs latched on rising edge, SO driven on falling edge |
| SI | Serial data input | Accepts opcodes, addresses, and write data; must be driven to valid logic level to meet IDD specs |
| SO | Serial data output | Drives read data only during read operations; tristated otherwise to prevent bus contention |
| WP | Write protect input | Hardware lock for status register when WPEN=1; must tie to VDD if unused |
| VSS | Ground | Reference return path for all internal circuitry; requires low-impedance PCB connection |
| VDD | Power supply | 1.8–3.6 V analog/digital supply; decoupling capacitor required per datasheet layout guidelines |
| DNU | Do-not-use terminal | No internal connection; must float or tie to VDD - not left unterminated in noisy environments |
Key Features
| Feature | Design Value |
|---|---|
| Instant non-volatile write | Zero write latency - data committed at bus speed without polling or delay loops |
| Dedicated 256-byte special sector | Retains calibration data or firmware keys across ≥3 reflow cycles (JEDEC J-STD-020) |
| Multi-layer write protection | Combines hardware (WP pin) and software (WRDI + block-protect bits) for secure field updates |
| Unique device identification | Factory-programmed 64-bit unique ID + 8-byte user-writable serial number for traceability |
| Low-voltage operation | Full functionality down to 1.8 V enables direct interface with ultra-low-power MCUs (e.g., Silicon Labs EFM32) |
Applications
| Smart Energy Metering | Industrial PLC Data Logging |
|---|---|
Use Scenario: Storing tariff-switching events, tamper alerts, and consumption snapshots every 15 seconds in DIN-rail meters. IC Role / Device Role / Timing Role: Non-volatile scratchpad memory interfacing directly to metrology MCU via SPI, absorbing burst writes without data loss. Use Value: 10¹⁵ endurance ensures >30 years of daily 1M-write operation; 0.90 µA deep power-down extends backup battery life to >15 years. | Use Scenario: Capturing machine vibration, temperature, and pressure traces during factory equipment commissioning. IC Role / Device Role / Timing Role: High-speed buffer between ADC DMA and SD card, eliminating flash write bottlenecks during transient capture. Use Value: 40 MHz SPI enables real-time streaming at 4 MB/s; instant write prevents sample drop during 10 kHz sampling bursts. |
| Medical Sensor Patch | Automotive Telematics Black Box |
Use Scenario: Recording ECG waveforms and patient annotations in disposable wearable patches powered by coin cells. IC Role / Device Role / Timing Role: Primary non-volatile storage for raw biosignals, accessed via low-power SPI from ARM Cortex-M0+. Use Value: 1.8 V minimum VDD allows direct connection to buck-boost regulator output; 151-year retention guarantees data integrity over product lifetime. | Use Scenario: Storing crash-triggered CAN frame sequences and GPS timestamps in ADAS event recorders. IC Role / Device Role / Timing Role: Crash-activated memory buffer capturing pre-event telemetry with deterministic sub-millisecond commit. Use Value: Hardware WP pin enables immediate write-lock on impact detection; special sector stores immutable crash signature and firmware version. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar F-RAM-based non-volatile memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY15B108QN20SNXIT | Same die, 8-pin SOIC but with industrial temp (–40°C to +85°C) and tape-and-reel packaging | Identical electrical and timing behavior; differs only in packaging format and reel quantity | Select when requiring standard tape-and-reel delivery for SMT production lines |
| FM25V05-G | 512 Kb density, 2.7–3.6 V VDD, 20 MHz max SPI, 10¹⁴ endurance, same SOIC-8 package | Lacks special sector, unique ID, and deep power-down mode; lower density limits use in high-resolution logging | Choose only for cost-sensitive legacy designs where 512 Kb capacity suffices and 40 MHz speed is unnecessary |
Compared with CY15B108QN20SNXIT, this part offers identical functionality in tube packaging for prototyping; versus FM25V05-G, it delivers 16× more density, 2× faster SPI, 10× higher endurance, and advanced features like reflow-survivable sector and device ID - making it suitable for next-generation industrial and automotive data recorders.
Availability
CY15B108QN20BFXIXQLA1 is available at Aetrix Electronics and suitable for smart metering, industrial data logging, medical wearables, and automotive black box systems requiring stable component supply, long-term lifecycle support, and guaranteed RoHS-compliant sourcing.
Supply support for CY15B108QN20BFXIXQLA1 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 management, automotive ICs, and memory solutions, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.
This device belongs to the EXCELON™ LP F-RAM product line, engineered specifically for high-endurance, low-power, instant-write non-volatile memory applications in industrial, automotive, and medical systems where flash/EEPROM limitations cause reliability or performance bottlenecks.
FAQ
Is CY15B108QN20BFXIXQLA1 pin-compatible with standard SPI EEPROMs or flash devices?
Yes - it uses industry-standard SOIC-8 pinout matching common 8-pin SPI memories (e.g., AT25DF041, MX25L4005). CS, SCK, SI, SO, WP, VSS, and VDD align functionally and physically. DNU replaces a second chip-select or hold pin found on some flash parts, requiring no board redesign for drop-in replacement in most cases.
Does the 256-byte special sector require separate initialization or special commands?
No - it is accessed using standard READ/WRITE opcodes (0x03/0x02) with address range 0xFFFC00–0xFFFCFF. No initialization is needed; content survives reflow cycles by process design, not firmware configuration. The sector behaves identically to main array except for its physical robustness guarantee.
What SPI modes does CY15B108QN20BFXIXQLA1 support, and how is mode selected?
It supports SPI mode 0 (CPOL=0, CPHA=0) and mode 3 (CPOL=1, CPHA=1) - mode is determined solely by master controller configuration. No internal register setting is required. Mode selection is transparent to firmware; the device automatically adapts to clock polarity and phase asserted by the host SPI peripheral.
Can the unique device ID be overwritten or disabled?
No - the 64-bit unique ID is factory-laser-programmed into ROM and is read-only. It cannot be altered, erased, or disabled. The 8-byte serial number register is user-writable via WRITE SERIAL NUMBER (0x1B) command but resides separately and does not affect the immutable device ID.
CY15B108QN20BFXIXQLA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 8-UFLGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Memory Type:
- Non-Volatile
- Memory Format:
- FRAM
- Technology:
- FRAM (Ferroelectric RAM)
- Memory Size:
- 8Mbit
- Memory Organization:
- 1M x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 20 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- 20 ns
- Voltage - Supply:
- 1.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-UFLGA (3.28x3.23)
CY15B108QN20BFXIXQLA1 FAQ
1.How can I place an order for CY15B108QN20BFXIXQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY15B108QN20BFXIXQLA1 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 CY15B108QN20BFXIXQLA1 reliable?
The price and inventory of CY15B108QN20BFXIXQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY15B108QN20BFXIXQLA1 is usually 5 days.
3.What payment methods are accepted for CY15B108QN20BFXIXQLA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY15B108QN20BFXIXQLA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY15B108QN20BFXIXQLA1?
CY15B108QN20BFXIXQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY15B108QN20BFXIXQLA1 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 CY15B108QN20BFXIXQLA1?
For technical support, including CY15B108QN20BFXIXQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY15B108QN20BFXIXQLA1 requirements.
6.How does Aetrix verify that CY15B108QN20BFXIXQLA1 is sourced from the original manufacturer or authorized distributors?
All CY15B108QN20BFXIXQLA1 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 CY15B108QN20BFXIXQLA1 meets industry standards.
7.What is the process for return or replacement of CY15B108QN20BFXIXQLA1?
All CY15B108QN20BFXIXQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY15B108QN20BFXIXQLA1, 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 CY15B108QN20BFXIXQLA1 part is unused and in its original packaging.
Return procedure for CY15B108QN20BFXIXQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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