Infineon Technologies CY15V102QN-50SXIT
- Part No.:
- CY15V102QN-50SXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
CY15V102QN-50SXIT.pdf
- Description:
- IC FRAM 2MBIT SPI 50MHZ 8SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:2,878
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY15V102QN-50SXIT 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, 151-year data retention, and 10¹⁵ write endurance-deployed in industrial data loggers for real-time sensor storage without write latency.
For engineers reviewing the CY15V102QN-50SXIT datasheet, CY15V102QN-50SXIT pinout, CY15V102QN-50SXIT application, or CY15V102QN-50SXIT equivalent, key selection criteria include SPI mode 0/3 compatibility, hardware/software write protection, deep power-down current (0.1 µA), and dedicated 256-byte reflow-survivable special sector.
Technical Context
The CY15V102QN-50SXIT implements an SPI slave interface with zero-latency nonvolatile writes-no polling or erase cycles required-enabling deterministic bus-speed writes at up to 50 MHz. Its F-RAM core eliminates the page-programming and sector-erase overhead inherent in flash and EEPROM.
It integrates a nonvolatile status register, device ID (manufacturer + product ID), unique ID, and 8-byte writable serial number. The dedicated 256-byte special sector retains data across up to three reflow soldering cycles, supporting board-level traceability and calibration storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory density | 2 Mb (256K × 8 bits); supports byte-level random read/write without block constraints |
| Max SPI clock | 50 MHz; enables ~6.25 MB/s sustained write throughput with no wait states |
| Data retention | 151 years at +85°C; guaranteed nonvolatile storage without refresh or backup power |
| Write endurance | 10¹⁵ cycles; supports continuous logging at 1 kHz for >31,700 years before wear-out |
| Supply voltage | 1.71–1.89 V; optimized for low-voltage industrial microcontrollers and battery-backed systems |
| Deep power-down current | 0.1 µA (typ); enables multi-year operation on coin-cell batteries in maintenance-free edge nodes |
| Operating temperature | –40°C to +85°C; qualified for uncontrolled industrial environments without derating |
Pinout & Package
Package: 8-pin SOIC (Small Outline Integrated Circuit), RoHS-compliant, surface-mount, standard footprint compatible with CY15B102QN and legacy SPI memory sockets.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select input | Active-low enable; places device in standby (2.3 µA) when HIGH; required falling edge before each opcode |
| SCK | Serial clock input | Synchronizes all I/O; rising edge latches SI, falling edge drives SO; 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 |
| SO | Serial output | Drives read data only during read operations; tristated otherwise; transitions on SCK falling edge |
| WP | Write protect input | Hardware lock for status register when WPEN = 1; must tie to VDD if unused |
| VSS | Ground | System reference return path; mandatory connection for stable operation and EMI control |
| VDD | Power supply | 1.71–1.89 V input; powers internal logic and F-RAM array; bypass capacitor required |
| DNU | Do-not-use | No internal connection; leave floating or tie to VDD-no PCB routing or termination needed |
Key Features
| Feature | Design Value |
|---|---|
| Instant nonvolatile write | Zero-latency byte writes at bus speed-no polling, no erase, no timeout handling in firmware |
| Dedicated reflow-survivable sector | 256-byte F-RAM sector retains calibration data through ≥3 lead-free reflow cycles (260°C peak) |
| Multi-layer write protection | Hardware (WP pin) + software (WRDI) + block-level (1/4, 1/2, full array) prevents accidental overwrite |
| Device identification | Read-only Device ID (manufacturer + product ID) + Unique ID + 8-byte user-writable serial number |
| Ultra-low deep power-down | 0.1 µA typical current enables >10-year shelf life on primary lithium coin cells |
Applications
| Industrial Data Logger | Smart Metering |
|---|---|
Use Scenario: Continuous timestamped recording of voltage, current, and temperature samples at 100 Hz in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Primary nonvolatile storage for real-time telemetry; replaces EEPROM due to write-cycle limitations. Use Value: Eliminates 5–20 ms write delays per sample, enabling gapless logging without ring-buffer loss or firmware complexity. | Use Scenario: Storing tariff schedules, billing registers, and tamper-event timestamps in electricity/water meters with 15+ year field life. IC Role / Device Role / Timing Role: Secure, long-retention parameter and event storage; operates across –25°C to +70°C ambient with no refresh. Use Value: Guarantees 151-year data integrity without supercapacitor or battery backup-reducing BOM cost and failure modes. |
| Medical Diagnostic Sensor Hub | PLC I/O Module |
Use Scenario: Capturing high-resolution waveform data (ECG, SpO₂) during intermittent power loss in portable diagnostic devices. IC Role / Device Role / Timing Role: Instant-write buffer that preserves last 30 seconds of raw sensor data on brownout. Use Value: Achieves deterministic sub-millisecond write commit-critical for FDA-regulated data continuity and audit trails. | Use Scenario: Logging process alarms, configuration changes, and firmware update metadata in modular industrial PLC backplanes. IC Role / Device Role / Timing Role: Configuration and event history storage with hardware WP pin tied to safety controller for write lockdown. Use Value: Enables SIL-2 compliant state persistence: no data corruption during hot-swap or ESD events due to intrinsic write robustness. |
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-50SXIT | Wider VDD range (1.8–3.6 V); higher standby current (3.5 µA); same F-RAM core and pinout | Preferred where system uses 3.3 V rails or mixed-voltage boards; less suitable for ultra-low-power battery designs | Select when supply voltage exceeds 1.89 V or legacy 3.3 V SPI infrastructure exists |
| AT25DF021A-SSH-T | 2 Mb SPI flash; requires 25 ms page program time; 100k write cycles; no instant write or reflow-survivable sector | Used where cost is primary driver and write frequency < 100×/hour; unsuitable for high-frequency logging | Choose only if write latency and endurance are non-critical and BOM cost dominates design trade-offs |
Compared with CY15B102QN-50SXIT, this variant offers tighter voltage tolerance for low-power systems but sacrifices rail flexibility; versus AT25DF021A, it delivers 10¹⁰× more endurance and eliminates write-time uncertainty-making it irreplaceable in deterministic real-time storage.
Availability
CY15V102QN-50SXIT is available at Aetrix Electronics and suitable for industrial data loggers, smart metering systems, and medical diagnostic sensor hubs requiring stable component supply, long-term lifecycle support, and guaranteed RoHS compliance.
Supply support for CY15V102QN-50SXIT 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 high-reliability memory solutions, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.
The EXCELON™ LP F-RAM product line targets industrial and medical applications demanding deterministic nonvolatile storage-designed specifically to replace EEPROM and flash where write speed, endurance, and power efficiency are critical.
FAQ
Is CY15V102QN-50SXIT pin-compatible with standard SPI EEPROM or flash devices?
Yes-it uses an industry-standard 8-pin SOIC footprint and SPI command set compatible with common serial memory protocols. CS, SCK, SI, SO, and WP pins map directly to equivalents in AT25xxx or MX25xxx families, enabling drop-in replacement in most layouts without PCB revision-though firmware must disable polling loops due to instant-write behavior.
Does the 256-byte special sector require separate addressing or commands?
No-the special sector is accessed using standard READ/WRITE opcodes with address range 0x000000–0x0000FF. It behaves identically to main array memory but is fabricated with enhanced thermal stability to survive three JEDEC J-STD-020 reflow cycles without data loss-no special instructions or register settings are needed.
What SPI modes does CY15V102QN-50SXIT support, and how are they selected?
It supports SPI Mode 0 (CPOL = 0, CPHA = 0) and Mode 3 (CPOL = 1, CPHA = 1) exclusively. Mode selection is automatic and determined by the host's clock polarity and phase configuration-no internal register setting or command is required. The device detects and adapts to either mode on power-up or CS assertion.
Can the serial number registers be locked permanently after programming?
No-the 8-byte serial number registers are writable via WRSR and WR commands but lack hardware one-time-programmable (OTP) locking. Protection relies on software discipline and WP pin assertion during normal operation; permanent lock requires external secure element integration or host-side access control policies.
CY15V102QN-50SXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- Excelon™-LP,F-RAM™
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- 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-SOIC
CY15V102QN-50SXIT FAQ
1.How can I place an order for CY15V102QN-50SXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY15V102QN-50SXIT 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-50SXIT reliable?
The price and inventory of CY15V102QN-50SXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY15V102QN-50SXIT is usually 5 days.
3.What payment methods are accepted for CY15V102QN-50SXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY15V102QN-50SXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY15V102QN-50SXIT?
CY15V102QN-50SXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY15V102QN-50SXIT 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-50SXIT?
For technical support, including CY15V102QN-50SXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY15V102QN-50SXIT requirements.
6.How does Aetrix verify that CY15V102QN-50SXIT is sourced from the original manufacturer or authorized distributors?
All CY15V102QN-50SXIT 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-50SXIT meets industry standards.
7.What is the process for return or replacement of CY15V102QN-50SXIT?
All CY15V102QN-50SXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY15V102QN-50SXIT, 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-50SXIT part is unused and in its original packaging.
Return procedure for CY15V102QN-50SXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY15V102QN-50SXIT Tags

-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology

-
AT21CS01-STUM10-T
Microchip Technology

-
AT24C02C-SSHM-T
Microchip Technology

-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics

-
AT24CS02-SSHM-T
Microchip Technology

-
93LC46BT-I/OT
Microchip Technology

-
AT24C04C-SSHM-T
Microchip Technology

-
24LC01BT-I/SN
Microchip Technology

-
24AA02UIDT-I/OT
Microchip Technology

-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
Machine vision system guide covering components, inspection workflow, camera and lens selection, FOV, pixel resolution, motion blur, strobe lighting, bandwidth, 2D/3D vision, integration, troubleshooti…
Electronic devices and circuits guide covering passive components, semiconductors, analog and digital circuits, circuit theory, practical calculations, troubleshooting, datasheet selection, and learnin…

