Infineon Technologies S25FL129P0XNFV010
- Part No.:
- S25FL129P0XNFV010
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
S25FL129P0XNFV010.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:

- Shipping:

Inventory:1,398
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Product details
Overview
S25FL129P0XNFV010 from Cypress Semiconductor is a 128-Mbit (16 MB), single-supply 3.0 V serial NOR Flash memory with uniform 64 KB sectors and dual/quad I/O support, delivering up to 40 MB/s effective read throughput via Quad I/O FAST_READ mode. It features 256-byte page programming (1.5 ms typical), 100,000 program/erase cycles per sector, 20-year data retention, and integrated OTP (128-bit secure ID + 490-byte user space). Used in industrial control firmware storage and boot code execution for microcontrollers requiring SPI-compatible nonvolatile memory.
For engineers reviewing the S25FL129P0XNFV010 datasheet, S25FL129P0XNFV010 pinout, S25FL129P0XNFV010 application, or S25FL129P0XNFV010 equivalent, key selection criteria include quad I/O timing compliance (80 MHz clock, 40 MB/s), W#/ACC-accelerated programming, sub-sector erase capability (4 KB/8 KB), and JEDEC-standard device ID compatibility with legacy Spansion/Cypress platforms.
Technical Context
The S25FL129P0XNFV010 implements a SPI-compatible serial interface with five extended command sets: Dual Output Read (DOR), Quad Output Read (QOR), Dual I/O Read (DIOR), Quad I/O Read (QIOR), and Quad Page Program (QPP). Its architecture supports both uniform 64 KB sectors (with 32 × 4 KB sub-sectors) and uniform 256 KB sectors, enabling flexible firmware partitioning.
Internal voltage regulation enables full 2.7–3.6 V operation without external high-voltage supplies-except for accelerated programming, which requires 9 V applied to the W#/ACC pin. Memory protection relies on Status Register BP2:BP0 bits and hardware W#/ACC pin assertion, while CFI compliance ensures host-system auto-configuration across mixed-flash environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 Mbit (16 MB), organized as 256 × 64 KB sectors or 64 × 256 KB sectors |
| Supply Voltage | 2.7 V to 3.6 V single supply; internal charge pumps handle programming/erase voltages |
| Read Throughput | Up to 40 MB/s effective via Quad I/O FAST_READ at 80 MHz clock (QIOR command) |
| Page Program Time | 1.5 ms typical for 1–256 bytes; accelerated mode enabled by 9 V on W#/ACC pin |
| Erase Granularity | Supports 4 KB sub-sector (P4E), 8 KB sub-sector (P8E), 64 KB sector (SE), and bulk erase (BE) |
| Data Retention | 20 years typical at 25 °C; validated under JEDEC JESD22-A117 stress conditions |
| Endurance | 100,000 program/erase cycles per sector, measured per JEDEC JESD22-A117 |
Pinout & Package
Package: 24-ball BGA (6 × 8 mm), 6 × 4 pin configuration (FAC024), RoHS-compliant, lead-free, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select | Active-low enable for SPI command latching; must fall before first command byte |
| SCK | Serial Clock | Drives all input sampling (rising edge) and output timing (falling edge); max 104 MHz |
| SI/IO0 | Serial Input / I/O0 | Primary data input; functions as bidirectional I/O0 in dual/quad modes |
| SO/IO1 | Serial Output / I/O1 | Primary data output; functions as bidirectional I/O1 in dual/quad modes |
| W#/ACC/IO2 | Write Protect / Accelerate / I/O2 | Hardware write lock when low; 9 V enables accelerated programming; I/O2 in quad modes |
| HOLD#/IO3 | Hold / I/O3 | Pauses ongoing transfers without chip deselect; I/O3 in quad I/O and QPP modes |
| VCC | Power Supply | 2.7–3.6 V main supply; powers logic, I/O, and internal charge pumps |
| GND | Ground | Reference for all signals and internal regulators; separate analog/digital ground not required |
Key Features
| Feature | Design Value |
|---|---|
| Dual/Quad I/O Read Modes | Enables 2× or 4× bandwidth over standard SPI: DOR/QOR for output-only, DIOR/QIOR for full duplex |
| Sub-sector Erase (4 KB/8 KB) | Allows fine-grained firmware updates without disturbing adjacent code or config data in 64 KB sector variant |
| One-Time Programmable Area | 128-bit secure ID + 490-byte user OTP space, programmable via OTPP command and lockable per region |
| CFI Compliance | Enables automatic host detection of geometry, timing, and command set-critical for bootloader portability |
| Accelerated Programming | Reduces page program time by >30% using externally applied 9 V to W#/ACC pin during PP/QPP |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Bootloader Memory |
|---|---|
|
Use Scenario: Storing field-upgradable ladder logic and I/O mapping tables in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Nonvolatile boot and runtime firmware storage accessed via SPI by ARM Cortex-M7 host MCU during cold start and OTA update. Use Value: Sub-sector erase allows partial reprogramming of logic modules without resetting safety-critical I/O drivers. |
Use Scenario: Holding certified bootloader and sensor fusion calibration data in rear-view camera ECU with ASIL-B compliance requirements. IC Role / Device Role / Timing Role: Secure, tamper-resistant boot image repository with CFI-verified geometry and OTP-locked calibration checksums. Use Value: 20-year data retention and 100K-cycle endurance ensure integrity across vehicle lifetime without refresh cycles. |
| Medical Infusion Pump UI Code | Networking Switch Configuration Storage |
|
Use Scenario: Hosting GUI assets and regulatory-mandated audit logs in Class II medical infusion pumps with battery-backed SRAM coexistence. IC Role / Device Role / Timing Role: SPI-connected firmware and asset store, accessed during UI initialization and log rotation events. Use Value: Quad I/O FAST_READ delivers <50 ms GUI load time from cold power-on, meeting IEC 62304 startup latency targets. |
Use Scenario: Storing VLAN, ACL, and PoE management tables in managed Ethernet switches with hot-swap module support. IC Role / Device Role / Timing Role: Persistent configuration database updated via SPI during firmware upgrade or dynamic policy push. Use Value: Uniform 64 KB sectors with 4 KB sub-erase enable atomic table updates without interrupting packet forwarding path. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S25FL128SAGMFV001 | Successor device; identical 128-Mbit density, but uses 65 nm process, adds octal DTR support, removes P4E/P8E commands | Requires firmware update to replace sub-sector erase with 4 KB virtual sectors via software emulation | Select for new designs requiring longer lifecycle support and higher-speed octal interface readiness |
| MX25L12833FZNI-10G | 128-Mbit Macronix part; same SO/WSON/BGA packages, but lacks W#/ACC acceleration and OTP area | No hardware-accelerated programming; no secure ID or user OTP space-requires external crypto IC for secure boot | Select where cost sensitivity outweighs secure ID needs and accelerated programming is unused |
Compared with S25FL129P0XNFV010, the S25FL128S offers future-proof octal DTR readiness but sacrifices sub-sector erase flexibility, while the MX25L12833F provides pin-compatible cost reduction at the expense of hardware security and programming speed optimization.
Availability
S25FL129P0XNFV010 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS bootloader memory, and medical infusion pump UI code requiring stable component supply and long-term obsolescence management.
Supply support for S25FL129P0XNFV010 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
Cypress Semiconductor, founded in 1982 and merged with Spansion in 2015, delivers high-performance embedded memory and programmable solutions for automotive, industrial, and consumer systems.
The S25FL129P belongs to Cypress's Serial Flash product line, engineered for reliable in-system programmability, secure firmware storage, and seamless migration from legacy Spansion devices in mission-critical embedded applications.
FAQ
Is S25FL129P0XNFV010 still recommended for new designs?
No. Cypress explicitly states this part is "not recommended for new and current designs." The factory-recommended migration path is S25FL128S, which offers improved process technology, octal DTR readiness, and continued long-term support. S25FL129P0XNFV010 remains viable only for legacy design sustainment and repair scenarios.
What package does S25FL129P0XNFV010 use, and is it RoHS-compliant?
S25FL129P0XNFV010 uses the FAC024 24-ball BGA package (6 × 8 mm, 6 × 4 pin configuration), specified in the datasheet as lead-free and RoHS-compliant. It has moisture sensitivity level 3 and requires bake conditioning prior to reflow if exposed beyond floor life limits.
Does S25FL129P0XNFV010 support Quad SPI (QSPI) mode natively?
Yes-it supports true Quad I/O operation via QIOR (Quad I/O High Performance Read) and QPP (Quad Page Program) commands, using SI/IO0, SO/IO1, W#/ACC/IO2, and HOLD#/IO3 as bidirectional data lines. This is distinct from vendor-specific QSPI peripherals and complies with JEDEC JESD216B basic flash parameter tables.
Can the OTP area be reprogrammed after locking?
No. Once an OTP region is locked using the Write Status Register (WRR) command with appropriate BP bits, that region becomes permanently read-only. The 128-bit secure ID section can be programmed once at factory or customer site, then locked irreversibly; the 490-byte user OTP space supports per-region locking but no unlock or rewrite capability.
S25FL129P0XNFV010 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-P
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 128Mbit
- Memory Organization:
- 16M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 5µs, 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x8)
S25FL129P0XNFV010 FAQ
1.How can I place an order for S25FL129P0XNFV010 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL129P0XNFV010 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 S25FL129P0XNFV010 reliable?
The price and inventory of S25FL129P0XNFV010 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL129P0XNFV010 is usually 5 days.
3.What payment methods are accepted for S25FL129P0XNFV010?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL129P0XNFV010 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL129P0XNFV010?
S25FL129P0XNFV010 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL129P0XNFV010 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 S25FL129P0XNFV010?
For technical support, including S25FL129P0XNFV010 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL129P0XNFV010 requirements.
6.How does Aetrix verify that S25FL129P0XNFV010 is sourced from the original manufacturer or authorized distributors?
All S25FL129P0XNFV010 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 S25FL129P0XNFV010 meets industry standards.
7.What is the process for return or replacement of S25FL129P0XNFV010?
All S25FL129P0XNFV010 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL129P0XNFV010, 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 S25FL129P0XNFV010 part is unused and in its original packaging.
Return procedure for S25FL129P0XNFV010:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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