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Infineon Technologies CY15B064J-SXE
- Part No.:
- CY15B064J-SXE
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
CY15B064J-SXE.pdf
- Description:
- IC FRAM 64KBIT I2C 1MHZ 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:640
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Product details
Overview
CY15B064J-SXE from Infineon Technologies (formerly Cypress) is an automotive-grade 64-Kbit serial I²C F-RAM with 8K × 8 organization, AEC-Q100 Grade 1 qualification (–40 °C to +125 °C), 1-MHz interface speed, and 10¹³ read/write endurance. It serves as a hardware-compatible, zero-delay write replacement for I²C EEPROM in data logging and real-time control systems requiring frequent nonvolatile writes.
For engineers reviewing the CY15B064J-SXE datasheet, CY15B064J-SXE pinout, CY15B064J-SXE application, or CY15B064J-SXE equivalent, key selection criteria include its NoDelay™ write capability, 121-year data retention at 125 °C, 3.0–3.6 V supply range, 8-pin SOIC package, and direct I²C timing compatibility with legacy 100/400 kHz and high-speed 1 MHz buses.
Technical Context
The CY15B064J-SXE implements a ferroelectric memory array accessed via standard I²C protocol with slave address 0xA0–0xA7 (7-bit base 0x50), supporting both sequential and random addressing across a full 13-bit address space (0x0000–0x1FFF). It operates without internal write cycles or polling, completing each byte write within one I²C transaction.
Its interface logic includes Schmitt-triggered SDA/SCL inputs, open-drain SDA with slope control, and hardware write protection via the WP pin. The device uses no charge-pump circuitry-enabling true bus-speed writes and eliminating EEPROM-style latency and power spikes during write operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 64 Kbit (8,192 × 8 bytes); supports full 13-bit addressing (0x0000–0x1FFF) with automatic address increment. |
| I²C Speed | Up to 1 MHz; fully backward-compatible with 100 kHz and 400 kHz legacy timing-no firmware changes needed. |
| Endurance | 10¹³ read/write cycles; enables >10 million times more writes than standard EEPROM in same footprint. |
| Data Retention | 121 years at +125 °C; guaranteed nonvolatile storage without refresh or backup power. |
| Supply Voltage | 3.0 V to 3.6 V; matches automotive microcontroller I/O rails and eliminates level-shifting requirements. |
| Operating Temp | –40 °C to +125 °C (AEC-Q100 Grade 1); qualified for engine bay, transmission, and ADAS ECU environments. |
| Active Current | 120 µA typical at 100 kHz; reduces system power budget in always-on logging nodes. |
Pinout & Package
Package: 8-pin Small Outline Integrated Circuit (SOIC), 150 mil width, RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A2 | Device Select Input | 3-bit hardware address pins; configure slave address bits [2:0] to support up to 8 devices on same I²C bus (0xA0–0xA7). |
| SDA | Bidirectional Data Line | Open-drain I²C data line with Schmitt trigger input and controlled-slope output; requires external pull-up. |
| SCL | Clock Input | Master-generated I²C clock; Schmitt-triggered input ensures noise immunity in electrically noisy automotive environments. |
| WP | Write Protect Input | Hardware lock: tied to VDD disables all writes; tied to VSS enables full memory access; internal pull-down. |
| VDD | Power Supply | 3.0–3.6 V core supply; powers memory array and interface logic; decoupling capacitor required. |
| VSS | Ground Reference | System ground return path; must be low-impedance connection to minimize noise coupling into SDA/SCL. |
Key Features
| Feature | Design Value |
|---|---|
| NoDelay™ Write | Writes complete within one I²C byte transfer-no wait states, polling, or timeout handling required in firmware. |
| Ferroelectric Memory Core | Eliminates charge-pump circuitry; avoids EEPROM-style voltage boosting, reducing peak current and EMI. |
| 121-Year Retention @ 125 °C | Validated lifetime under worst-case automotive thermal stress-no periodic refresh or wear-leveling algorithms needed. |
| AEC-Q100 Grade 1 Compliance | Qualified for safety-critical automotive subsystems including powertrain, chassis, and ADAS control units. |
| Hardware Write Protection | Pin-controlled (WP) global lock prevents accidental overwrites during firmware updates or brown-out conditions. |
Applications
| Telematics Event Logging | ADAS Sensor Calibration Storage |
|---|---|
Use Scenario: Continuous recording of GPS position, acceleration, and CAN bus fault codes during vehicle operation. IC Role / Device Role / Timing Role: Nonvolatile scratchpad storing timestamped event buffers with sub-millisecond write latency. Use Value: Enables 100× more frequent logging intervals than EEPROM-capturing transient faults missed by slower memories. | Use Scenario: Storing factory-calibrated sensor offsets and real-time compensation coefficients for radar/LiDAR modules. IC Role / Device Role / Timing Role: High-reliability configuration store updated during vehicle startup and adaptive learning cycles. Use Value: Supports >10⁶ calibration writes over product lifetime without degradation-critical for field-updatable ADAS features. |
| Engine Control Unit (ECU) Parameter Tuning | EV Battery Management System (BMS) Cycle Counting |
Use Scenario: Storing adaptive fuel trim values and ignition timing corrections learned during driving cycles. IC Role / Device Role / Timing Role: Fast-write parameter cache synchronized with engine RPM and load events. Use Value: Eliminates EEPROM write stalls that cause torque interruption during closed-loop tuning-ensuring smooth drivability. | Use Scenario: Recording individual cell voltage histories and charge/discharge cycle counts across 1,000+ cycles. IC Role / Device Role / Timing Role: Endurance-optimized nonvolatile counter register updated after every charge termination. Use Value: Guarantees accurate state-of-health (SOH) estimation over 15+ years-without endurance exhaustion or data corruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial nonvolatile memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT24C64D-SSHM-T (Microchip) | 64-Kbit I²C EEPROM; 1M write cycles; 40 µA standby; 1.7–5.5 V operation. | Lacks NoDelay™ write; requires 5 ms write time per byte; no AEC-Q100 Grade 1 rating. | Use only where write frequency <100×/hour and ambient temperature ≤105 °C. |
| FM24V06-G (Cypress/Infineon) | 64-Kbit I²C F-RAM; 2.7–3.6 V; 10¹² endurance; 125 °C max operating temp. | Same architecture but lower endurance and no AEC-Q100 Grade 1 certification. | Select when Grade 1 qualification is not required and cost sensitivity outweighs lifetime reliability needs. |
Compared with AT24C64D-SSHM-T and FM24V06-G, the CY15B064J-SXE uniquely delivers Grade 1 automotive qualification, 10× higher endurance, and deterministic zero-latency writes-making it the only choice for safety-critical, high-write-frequency automotive control applications.
Availability
CY15B064J-SXE is available at Aetrix Electronics and suitable for telematics event logging, ADAS sensor calibration storage, and EV battery management systems requiring stable component supply across extended automotive lifecycles.
Supply support for CY15B064J-SXE 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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, and security solutions.
The CY15B064J-SXE belongs to Infineon's automotive F-RAM product line, engineered specifically for mission-critical nonvolatile data capture in harsh-temperature, high-endurance automotive control systems.
FAQ
Is CY15B064J-SXE pin-compatible with standard I²C EEPROMs like AT24C64?
Yes-CY15B064J-SXE uses identical 8-pin SOIC packaging and I²C slave addressing (0xA0–0xA7), enabling drop-in replacement without PCB redesign. Its SDA/SCL/WP/VDD/VSS pin functions match industry-standard EEPROM pinouts, and it supports legacy 100/400 kHz timing as well as 1 MHz operation.
Does CY15B064J-SXE require special firmware changes when replacing EEPROM?
No firmware modifications are needed for basic read/write functionality. Because writes complete at bus speed with no delay, polling loops and timeout handlers used for EEPROM can be removed-but are not required for compatibility. Addressing, ACK/NACK behavior, and START/STOP protocols remain identical to standard I²C EEPROMs.
What is the significance of "121-year data retention at 125 °C"?
This specification means the device retains stored data for ≥121 years when continuously operated at its maximum rated junction temperature (+125 °C), validated per JEDEC JESD22-A108F. It reflects accelerated life testing under worst-case automotive thermal stress-ensuring data integrity over full vehicle service life without refresh or backup power.
How does the WP pin function in automotive power-loss scenarios?
The WP pin is internally pulled down, so it defaults to write-enable unless actively driven high. During brown-out or reset, WP remains low-allowing critical last-chance writes (e.g., crash event flags) before power collapse. This behavior contrasts with EEPROMs that may enter undefined states during undervoltage, risking partial writes or corruption.
CY15B064J-SXE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- F-RAM™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FRAM
- Technology:
- FRAM (Ferroelectric RAM)
- Memory Size:
- 64Kbit
- Memory Organization:
- 8K x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 1 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
CY15B064J-SXE FAQ
1.How can I place an order for CY15B064J-SXE through Aetrix?
Please submit a Request for Quotation (RFQ) for CY15B064J-SXE 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 CY15B064J-SXE reliable?
The price and inventory of CY15B064J-SXE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY15B064J-SXE is usually 5 days.
3.What payment methods are accepted for CY15B064J-SXE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY15B064J-SXE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY15B064J-SXE?
CY15B064J-SXE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY15B064J-SXE 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 CY15B064J-SXE?
For technical support, including CY15B064J-SXE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY15B064J-SXE requirements.
6.How does Aetrix verify that CY15B064J-SXE is sourced from the original manufacturer or authorized distributors?
All CY15B064J-SXE 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 CY15B064J-SXE meets industry standards.
7.What is the process for return or replacement of CY15B064J-SXE?
All CY15B064J-SXE units undergo pre-shipment inspection (PSI). If there is an issue with CY15B064J-SXE, 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 CY15B064J-SXE part is unused and in its original packaging.
Return procedure for CY15B064J-SXE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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