Infineon Technologies CY15V102QN-50LHXIT
- Part No.:
- CY15V102QN-50LHXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
CY15V102QN-50LHXIT.pdf
- Description:
- IC FRAM 2MBIT SPI 50MHZ 8DFN
- Quantity:
- Payment:

- Shipping:

Inventory:3,548
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Product details
Overview
CY15V102QN-50LHXIT from Infineon is a 2 Mb serial ferroelectric RAM (F-RAM) organized as 256K × 8, operating over SPI at up to 50 MHz with 1.71–1.89 V supply, 10¹⁵ write endurance, and 151-year data retention. It serves as a nonvolatile memory replacement for EEPROM/flash in high-write-cycle industrial data loggers, sensor nodes, and real-time control systems where instant write and low power are critical.
For engineers reviewing the CY15V102QN-50LHXIT datasheet, CY15V102QN-50LHXIT pinout, CY15V102QN-50LHXIT application, or CY15V102QN-50LHXIT equivalent, this device offers bus-speed writes without polling, hardware/software write protection, dedicated 256-byte special sector, Device ID/serial number registers, and industrial −40°C to +85°C operation - all in an 8-pin SOIC package.
Technical Context
The CY15V102QN-50LHXIT implements a true SPI slave interface compliant with Modes 0 (CPOL=0, CPHA=0) and 3 (CPOL=1, CPHA=1), supporting continuous clocking up to 50 MHz with zero write latency. Its F-RAM core eliminates erase-before-write and page-programming overhead inherent in flash/EEPROM.
It integrates a nonvolatile status register with WPEN bit, software block protection (1/4, 1/2, full array), and a dedicated 256-byte special sector hardened for three reflow cycles. Device ID and 8-byte user-writable serial number are accessible via dedicated opcodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory density | 2 Mb (256K × 8 bits); supports byte-level random read/write without erase or page constraints. |
| SPI max frequency | 50 MHz; enables sub-μs per-byte write latency and eliminates need for polling or timeout handling. |
| Write endurance | 10¹⁵ cycles; supports continuous logging at 1 kHz for >31 years without wear-out concern. |
| Data retention | 151 years at +85°C; ensures long-term reliability in unpowered industrial deployments. |
| Supply voltage | 1.71 V to 1.89 V; compatible with 1.8 V logic domains and ultra-low-power microcontrollers. |
| Standby current | 2.3 µA (typ); reduces system quiescent power in battery-backed or energy-harvested nodes. |
| Operating temperature | −40°C to +85°C; qualified for industrial automation, motor drives, and outdoor metering environments. |
Pinout & Package
Package: 8-pin SOIC (Small Outline Integrated Circuit), RoHS-compliant, surface-mountable with standard reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select input | Active-low enable; places device in standby (tristate I/O, 2.3 µA) when HIGH; required falling edge before each opcode. |
| SCK | Serial clock input | Synchronizes all SPI transfers; inputs latched on rising edge, outputs driven on falling edge; supports 0–50 MHz with interruptible clock. |
| SI | Serial input | Accepts opcodes, addresses, and write data; must be driven to valid logic level to meet IDD specs; may share net with SO in single-line mode. |
| SO | Serial output | Drives read data only during read operations; tristated otherwise; transitions occur on falling SCK edge. |
| WP | Write protect input | Hardware lock for status register when WPEN = 1; must be tied to VDD if unused; prevents accidental configuration changes. |
| VSS | Ground | Reference return path for all internal circuitry; must connect directly to system ground plane. |
| VDD | Power supply | 1.71–1.89 V input; powers core logic and F-RAM array; requires local 100 nF decoupling near pin. |
| DNU | Do-not-use terminal | No internal connection; must remain floating or tied to VDD; not for PCB routing or thermal relief. |
Key Features
| Feature | Design Value |
|---|---|
| Instant non-volatile write | Writes complete at bus speed - no delay, no polling, no erase cycle; enables deterministic real-time data capture. |
| Dedicated 256-byte special sector | Retains content through ≥3 reflow soldering cycles; ideal for storing calibration data, MAC addresses, or firmware signatures. |
| Multi-layer write protection | Combines hardware (WP pin), software disable (WRDI), and configurable block locks (1/4, 1/2, full array) for robust field update security. |
| Device identification | Read-only 16-bit Device ID (manufacturer + product code) + 64-bit Unique ID + 8-byte user-writable serial number register. |
| Ultra-low deep power-down | 0.70 µA typical current draw; extends battery life in always-on, intermittently active IoT endpoints. |
Applications
| Industrial Data Logger | Smart Metering |
|---|---|
|
Use Scenario: Continuous timestamped sensor sampling (e.g., temperature, pressure) at 100 Hz in remote utility meters with no external backup power. IC Role / Device Role / Timing Role: Nonvolatile storage for raw measurement records; acts as primary write buffer with guaranteed atomicity per byte. Use Value: Eliminates flash wear leveling complexity and write latency-induced data loss during brownouts or rapid power cycling. |
Use Scenario: Storing tariff tables, billing history, and tamper logs in electricity/water/gas meters requiring >15-year field life. IC Role / Device Role / Timing Role: Secure, long-retention parameter store; interfaces via SPI to metrology SoC with minimal firmware overhead. Use Value: 151-year retention and 10¹⁵ endurance ensure integrity of regulatory-critical data across full product lifecycle. |
| PLC I/O Module | Medical Diagnostic Sensor Hub |
|
Use Scenario: Capturing transient fault events (e.g., overcurrent, phase loss) in programmable logic controllers with sub-millisecond timestamp resolution. IC Role / Device Role / Timing Role: Real-time ring buffer for event-triggered logging; accepts writes synchronously with control loop execution. Use Value: Zero-latency writes prevent missed events during high-speed diagnostics or safety-critical shutdown sequences. |
Use Scenario: Storing calibration coefficients, patient session metadata, and diagnostic thresholds in portable ultrasound or ECG devices. IC Role / Device Role / Timing Role: Trusted configuration store accessed at boot and during sensor self-test; resides in dedicated 256-byte special sector. Use Value: Survives repeated reflow during board assembly and field recalibration - eliminating post-manufacture reprogramming steps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial nonvolatile memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY15B102QN-50LHXIT | Wider VDD range (1.8–3.6 V); same density, timing, and F-RAM architecture. | Better suited for mixed-voltage systems (e.g., 3.3 V MCU with 1.8 V peripherals) but lacks 1.71 V low-end support. | Select when system rail exceeds 1.89 V or interoperability with legacy 3.3 V SPI masters is required. |
| AT25DF021A-SSH-T | 2 Mb SPI flash; requires erase before write, 100k endurance, 20-year retention, 80 ms page program time. | Acceptable only where write frequency is <100×/day and deterministic latency is not required. | Choose only if cost is primary constraint and write performance/reliability trade-offs are acceptable. |
Compared with CY15B102QN-50LHXIT, the CY15V102QN-50LHXIT enables lower-voltage operation critical for battery-powered designs, while AT25DF021A introduces significant latency and endurance limitations that compromise data integrity in high-write industrial use cases.
Availability
CY15V102QN-50LHXIT is available at Aetrix Electronics and suitable for industrial data loggers, smart metering systems, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and guaranteed 1.8 V domain compatibility.
Supply support for CY15V102QN-50LHXIT 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 reliable nonvolatile memory solutions for industrial and mission-critical applications.
The EXCELON™ LP F-RAM product line targets high-reliability, high-write-frequency applications where traditional nonvolatile memories fail - delivering instant write, extreme endurance, and low-voltage operation in compact packages.
FAQ
Is CY15V102QN-50LHXIT pin-compatible with CY15B102QN-50LHXIT?
Yes - both share identical 8-pin SOIC pinout, SPI command set, and memory map. The only functional difference is supply voltage range: CY15V102QN operates from 1.71–1.89 V, while CY15B102QN supports 1.8–3.6 V. No layout change is needed for voltage-domain migration.
Does the 256-byte special sector require separate addressing or commands?
Yes - it uses dedicated opcodes (0x77 for read, 0x76 for write) and its own 1-byte address space (0x00–0xFF). It is physically isolated from main array and retains data through ≥3 reflow cycles, making it ideal for factory-programmed identifiers or calibration constants.
How does write protection work when both WP pin and Status Register are enabled?
When WPEN = 1 in the Status Register, the WP pin becomes active-low hardware lock for the Status Register only. Main array writes remain controllable via software protection bits (BP0–BP2). This layered scheme prevents accidental register corruption while allowing flexible array locking.
Can CY15V102QN-50LHXIT operate reliably at 50 MHz across full temperature range?
Yes - Infineon specifies 50 MHz maximum SCK frequency over −40°C to +85°C, with AC timing validated per Table 12 of datasheet 002-26764 Rev. *D. Setup/hold margins exceed 2 ns at worst-case corners, supporting robust operation with standard FPGA or MCU SPI peripherals.
CY15V102QN-50LHXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- Excelon™-LP,F-RAM™
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FRAM
- Technology:
- FRAM (Ferroelectric RAM)
- Memory Size:
- 2Mbit
- Memory Organization:
- 256K x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 50 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- 8 ns
- Voltage - Supply:
- 1.71V ~ 1.89V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-DFN (5x6)
CY15V102QN-50LHXIT FAQ
1.How can I place an order for CY15V102QN-50LHXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY15V102QN-50LHXIT 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 CY15V102QN-50LHXIT reliable?
The price and inventory of CY15V102QN-50LHXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY15V102QN-50LHXIT is usually 5 days.
3.What payment methods are accepted for CY15V102QN-50LHXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY15V102QN-50LHXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY15V102QN-50LHXIT?
CY15V102QN-50LHXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY15V102QN-50LHXIT 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 CY15V102QN-50LHXIT?
For technical support, including CY15V102QN-50LHXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY15V102QN-50LHXIT requirements.
6.How does Aetrix verify that CY15V102QN-50LHXIT is sourced from the original manufacturer or authorized distributors?
All CY15V102QN-50LHXIT 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 CY15V102QN-50LHXIT meets industry standards.
7.What is the process for return or replacement of CY15V102QN-50LHXIT?
All CY15V102QN-50LHXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY15V102QN-50LHXIT, 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 CY15V102QN-50LHXIT part is unused and in its original packaging.
Return procedure for CY15V102QN-50LHXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY15V102QN-50LHXIT Tags

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