Infineon Technologies CY15B102QM-50SWXIT
- Part No.:
- CY15B102QM-50SWXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
CY15B102QM-50SWXIT.pdf
- Description:
- IC FRAM 2MBIT SPI 50MHZ 8SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:4,405
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Product details
Overview
CY15B102QM-50SWXIT from Infineon is a 2 Mb serial ferroelectric RAM (F-RAM) organized as 256K × 8, operating over SPI at up to 50 MHz with 1.8–3.6 V supply, –40°C to +85°C industrial temperature range, and 10¹⁵ write endurance. It serves as a nonvolatile memory replacement for EEPROM/flash in data logging and industrial control systems requiring instant writes without polling.
For engineers reviewing the CY15B102QM-50SWXIT datasheet, CY15B102QM-50SWXIT pinout, CY15B102QM-50SWXIT application, or CY15B102QM-50SWXIT equivalent, key selection criteria include SPI mode 0/3 compatibility, hardware/software write protection, 256-byte special sector survivability across reflow cycles, and sub-microamp deep power-down current.
Technical Context
The CY15B102QM implements an SPI slave interface with zero-latency write architecture-data commits immediately after byte transfer, eliminating write delay and status polling. Its F-RAM core enables true byte-level random access with no erase-before-write requirement, unlike flash or EEPROM.
It integrates dedicated 256-byte special sector F-RAM, device ID (manufacturer + product ID), unique ID, and 8-byte user-writable serial number registers. Write protection is enforced via both WP pin (hardware) and Status Register bits (software block lock for 1/4, 1/2, or full array).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory density | 2 Mbit (256K × 8), enabling compact firmware/data storage without external address latching |
| SPI clock frequency | Up to 50 MHz, supporting high-throughput data capture at bus speed |
| Write endurance | 10¹⁵ cycles - supports continuous logging for >100 years at 1 kHz write rate |
| Data retention | 151 years at 85°C - eliminates periodic refresh or backup power requirements |
| Supply voltage | 1.8 V to 3.6 V - compatible with modern low-voltage microcontrollers and battery-powered systems |
| Deep power-down current | 0.70 µA (typ) - extends battery life in always-on sensor nodes and portable instrumentation |
| Operating temperature | –40°C to +85°C - qualified for industrial automation, motor drives, and outdoor metering |
Pinout & Package
Package: 8-pin SOIC (Small Outline Integrated Circuit), RoHS-compliant, surface-mountable with standard reflow profile compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select input | Active-low enable; places device in standby (2.3 µA) when HIGH, synchronizes all SPI transactions on falling edge |
| SCK | Serial clock input | Synchronizes SI/SO transfers; rising edge latches input, falling edge drives output; supports 0–50 MHz with interrupt tolerance |
| 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 active read cycles; tristated otherwise; transitions on SCK falling edge |
| WP | Write protect input | Hardware lock for Status Register writes when WPEN = 1; must tie to VDD if unused |
| DNU | Do Not Use | No internal connection; leave floating or tie to VDD - not a test pad or NC |
| VSS | Ground | Reference return path for all I/O and core logic; requires low-impedance PCB connection |
| VDD | Power supply | 1.8–3.6 V input; powers F-RAM array, SPI interface, and status/ID registers |
Key Features
| Feature | Design Value |
|---|---|
| Instant non-volatile write | Zero write latency - data stored immediately after SPI byte transfer; no polling or timeout handling required in firmware |
| Dedicated 256-byte special sector | Retains content through ≥3 standard reflow cycles - ideal for board-level serialization and calibration storage |
| Device and serial identification | Read-only 16-bit Device ID + 64-bit Unique ID + writable 8-byte serial number - enables secure traceability and system-level asset management |
| Multi-layer write protection | Combines hardware (WP pin) and software (Status Register bits) to lock 1/4, 1/2, or full memory - prevents accidental overwrites in field-deployed equipment |
| Low-power operation modes | Supports deep power-down (0.70 µA) and hibernate (0.1 µA) - extends runtime in energy-constrained IoT endpoints |
Applications
| Industrial Data Logging | Smart Metering |
|---|---|
Use Scenario: Continuous timestamped sensor readings (e.g., temperature, pressure) in PLCs and remote RTUs. IC Role / Device Role / Timing Role: Nonvolatile buffer storing raw measurements between host reads; operates at 50 MHz SPI burst writes. Use Value: Eliminates data loss during power interruption due to instant write capability and 10¹⁵ endurance - sustains 100 Hz logging for >30 years. | Use Scenario: Storing tariff tables, consumption history, and tamper logs in electricity/gas/water meters. IC Role / Device Role / Timing Role: Secure, long-retention memory for regulatory-compliant billing data; accessed via SPI from metrology MCU. Use Value: 151-year data retention at 85°C ensures compliance over full product lifetime without battery backup or refresh routines. |
| Motor Drive Control | Medical Instrumentation |
Use Scenario: Recording fault events (overcurrent, thermal shutdown) and runtime parameters in servo/inverter drives. IC Role / Device Role / Timing Role: Real-time fault logger capturing transient events with microsecond timestamp resolution. Use Value: Zero-write-delay enables capture of consecutive faults within same power cycle - impossible with flash/EEPROM due to erase latency. | Use Scenario: Storing calibration coefficients, usage counters, and diagnostic logs in portable ultrasound or infusion pumps. IC Role / Device Role / Timing Role: Tamper-resistant nonvolatile memory for FDA-regulated device history and configuration. Use Value: Dedicated 256-byte special sector survives reflow and retains factory calibration - reduces post-assembly recalibration effort. |
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-50ZSXI | Same 2 Mb F-RAM core, but in 8-pin TSSOP package; identical electrical specs and timing | Better thermal performance and smaller footprint; preferred for space-constrained PCBs | Select when board layout favors TSSOP or requires lower thermal resistance |
| AT25DF021A-SSH-T | 2 Mb serial NOR flash; 100k write cycles, 20 ms page program time, requires erase before write | Lacks instant write and endurance; suitable only for infrequent firmware storage, not data logging | Choose only for static code storage where write frequency < 10⁴ cycles/year |
Compared with CY15B102QN-50ZSXI, the CY15B102QM-50SWXIT offers identical functionality in SOIC for legacy footprint compatibility; versus AT25DF021A-SSH-T, it delivers 10¹⁰× higher endurance and eliminates write latency - critical for real-time data capture.
Availability
CY15B102QM-50SWXIT is available at Aetrix Electronics and suitable for industrial data logging, smart metering, motor drive control, and medical instrumentation requiring stable component supply across extended product lifecycles.
Supply support for CY15B102QM-50SWXIT 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 manufacturer specializing in power management, automotive ICs, and high-reliability memory solutions.
The EXCELON™ LP F-RAM product line targets applications demanding extreme write endurance, instant nonvolatility, and low-power operation - especially where flash or EEPROM reliability limits system uptime.
FAQ
Is the CY15B102QM-50SWXIT pin-compatible with standard SPI EEPROMs?
Yes - it uses the industry-standard 8-pin SOIC package with identical CS, SCK, SI, SO, WP, VDD, and VSS pin assignments. The DNU pin is unused and matches common EEPROM footprints. No PCB redesign is needed for drop-in replacement in existing SPI memory slots.
Does the device require external high-voltage programming or special write sequences?
No - the CY15B102QM-50SWXIT performs writes at standard VDD levels (1.8–3.6 V) with no charge pump or high-voltage generation. Write commands follow standard SPI opcodes (e.g., 02h for byte write); no pre-erase, delay loops, or status polling are required.
How is the 256-byte special sector different from main memory?
The special sector is physically isolated and optimized for reflow resilience - its contents survive ≥3 lead-free reflow cycles (up to 260°C). It supports dedicated read/write opcodes and is typically used for board IDs, calibration data, or security keys that must persist through manufacturing and repair.
Can the Unique ID be overwritten or reset?
No - the 64-bit Unique ID is factory-programmed and permanently read-only. It cannot be altered by any command, including mass erase or power cycling. This ensures unambiguous part identification for traceability, licensing, and anti-counterfeiting applications.
CY15B102QM-50SWXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- Excelon™-LP,F-RAM™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- 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:
- 1.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
CY15B102QM-50SWXIT FAQ
1.How can I place an order for CY15B102QM-50SWXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY15B102QM-50SWXIT 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 CY15B102QM-50SWXIT reliable?
The price and inventory of CY15B102QM-50SWXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY15B102QM-50SWXIT is usually 5 days.
3.What payment methods are accepted for CY15B102QM-50SWXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY15B102QM-50SWXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY15B102QM-50SWXIT?
CY15B102QM-50SWXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY15B102QM-50SWXIT 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 CY15B102QM-50SWXIT?
For technical support, including CY15B102QM-50SWXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY15B102QM-50SWXIT requirements.
6.How does Aetrix verify that CY15B102QM-50SWXIT is sourced from the original manufacturer or authorized distributors?
All CY15B102QM-50SWXIT 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 CY15B102QM-50SWXIT meets industry standards.
7.What is the process for return or replacement of CY15B102QM-50SWXIT?
All CY15B102QM-50SWXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY15B102QM-50SWXIT, 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 CY15B102QM-50SWXIT part is unused and in its original packaging.
Return procedure for CY15B102QM-50SWXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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