Infineon Technologies S25FL129P0XNFI013
- Part No.:
- S25FL129P0XNFI013
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
S25FL129P0XNFI013.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S25FL129P0XNFI013 from Cypress Semiconductor is a 128-Mbit (16 MB), 3.0 V serial NOR Flash memory with uniform 64 KB sectors and dual/quad I/O support, operating across 2.7–3.6 V. It delivers up to 40 MB/s effective read throughput via Quad I/O FAST_READ, features 100,000 program/erase cycles per sector, 20-year data retention, and integrated OTP (128-bit secure ID + 490-byte user space). It is used in boot code storage for industrial microcontrollers and firmware update storage in network edge devices.
For engineers reviewing the S25FL129P0XNFI013 datasheet, S25FL129P0XNFI013 pinout, S25FL129P0XNFI013 application, or S25FL129P0XNFI013 equivalent, key selection criteria include SPI interface timing compliance (104 MHz max FAST_READ), sub-sector erase capability (4 KB), W#/ACC-accelerated programming, OTP programmability, and BGA/WSON/SO package compatibility with legacy Spansion designs.
Technical Context
The S25FL129P0XNFI013 implements a SPI-compatible serial interface with five extended command sets enabling Dual Output Read, Quad Output Read, Dual I/O, Quad I/O, and Quad Page Programming - all using standard SI/SO pins plus HOLD#/IO3 and W#/ACC/IO2 as bidirectional I/Os in high-performance modes. Its memory array is partitioned into 256 × 64 KB sectors, with top/bottom parameter blocks subdivided into thirty-two 4 KB sub-sectors.
It supports JEDEC-standard Device ID (two-byte), CFI compliance for host auto-configuration, and hardware-based memory protection via Status Register BP2–BP0 bits coordinated with W#/ACC pin state. Internal charge pumps generate required programming voltages; no external high-voltage supply is needed except when enabling Accelerated Programming mode via 9 V on W#/ACC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 Mbit (16 MB) - sufficient for full MCU boot images and field-upgradable firmware binaries. |
| Supply Voltage | 2.7 V to 3.6 V - compatible with standard 3.3 V embedded power rails without level-shifting. |
| Read Throughput | 40 MB/s (Quad I/O FAST_READ @ 80 MHz) - enables fast execution-in-place (XIP) of code from flash. |
| Program/Erase Endurance | 100,000 cycles per sector - supports frequent firmware updates in remote IoT gateways. |
| Data Retention | 20 years typical - meets long-life requirements for industrial control and medical device storage. |
| Page Size | 256 bytes - aligns with common MCU cache line sizes and minimizes write granularity overhead. |
| OTP Capacity | 128-bit secure ID + 490-byte user space - enables device-specific cryptographic key binding and calibration data storage. |
Pinout & Package
Package: 24-ball BGA (6 × 8 mm, 5 × 5 pin configuration), RoHS-compliant, lead-free, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select Input | Active-low enable for SPI command initiation; required falling edge after power-up before first instruction. |
| SO/IO1 | Serial Output / I/O1 | Primary data output in standard read; becomes bidirectional I/O in Dual/Quad I/O and QPP modes. |
| W#/ACC/IO2 | Write Protect / Acceleration / I/O2 | Hardware write lock when low; enables accelerated programming at 9 V; serves as I/O2 in quad modes. |
| HOLD#/IO3 | Hold Input / I/O3 | Pauses ongoing SPI transfer without chip deselect; functions as I/O3 in Quad I/O and QPP operations. |
| SI/IO0 | Serial Input / I/O0 | Command/address/data input in standard mode; bidirectional I/O0 in Dual/Quad I/O and QPP. |
| SCK | Serial Clock Input | Drives all timing: latches inputs on rising edge, outputs data on falling edge. |
| VCC | Power Supply | Single 2.7–3.6 V supply powers all read/write/erase functions and internal voltage generation. |
| GND | Ground Reference | Return path for VCC and all I/O signals; must be low-impedance for stable SPI timing and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Dual/Quad I/O High-Performance Read | Enables 20 MB/s (Dual) or 40 MB/s (Quad) effective bandwidth - reduces boot latency vs. standard SPI. |
| Sub-sector Erase (4 KB) | Allows granular firmware patching without erasing full 64 KB sectors - preserves adjacent configuration data. |
| Accelerated Programming Mode | Reduces page program time to ≤1.5 ms (typical) using 9 V on W#/ACC - cuts firmware update duration by ~40%. |
| CFI Compliance | Permits automatic detection and configuration by host bootloader - eliminates hard-coded flash parameters. |
| One-Time Programmable Area | 128-bit factory-lockable ID + 490-byte user-programmable space - supports secure device authentication and calibration storage. |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
|
Use Scenario: Storing real-time control firmware and safety-critical boot code in programmable logic controllers deployed in factory automation environments. IC Role / Device Role / Timing Role: Nonvolatile boot memory providing XIP-capable instruction fetch via Quad I/O FAST_READ at ≤80 MHz clock rate. Use Value: Sub-sector erase preserves runtime configuration during over-the-air updates; 20-year retention ensures lifecycle alignment with 15+ year PLC deployments. |
Use Scenario: Holding boot firmware and sensor fusion algorithms for automotive camera ECU modules requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Secure, high-reliability serial NOR flash with OTP-locked device ID for cryptographic chain-of-trust initialization. Use Value: 100K-cycle endurance supports repeated calibration updates; CFI compliance simplifies bootloader porting across vehicle platforms. |
| Network Edge Router Configuration | Medical Imaging Device Update Storage |
|
Use Scenario: Hosting firmware images and encrypted configuration profiles in carrier-grade SD-WAN edge routers with remote update capability. IC Role / Device Role / Timing Role: Dual I/O-capable flash enabling fast firmware validation and rollback during zero-touch provisioning. Use Value: 4 KB sub-sector erase allows atomic update of security policy tables without disrupting active routing tables. |
Use Scenario: Storing FDA-approved firmware revisions and DICOM metadata templates in portable ultrasound systems requiring audit-trail integrity. IC Role / Device Role / Timing Role: OTP-programmed secure ID binds firmware signature to hardware serial number for regulatory traceability. Use Value: 2.7–3.6 V operation matches medical-grade DC-DC output; 20-year retention satisfies 10-year device service life with margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S25FL128SAGMFI000 | Successor device; same 128 Mbit density, 256 KB uniform sectors (no 4 KB sub-sectors), higher 133 MHz FAST_READ clock rating. | Lacks 4 KB sub-sector erase; requires firmware partitioning redesign but offers faster sequential reads. | Select when migrating to newer Cypress platform with emphasis on read speed over fine-grained erase. |
| MX25L12833FZCII00 | Macronix part; 128 Mbit, 3 V, 104 MHz max clock, 4 KB sub-sectors, but no W#/ACC acceleration or CFI support. | Lower cost alternative with identical sector architecture; lacks accelerated programming and host auto-configuration. | Select for cost-sensitive industrial designs where OTP and CFI are nonessential and programming time is acceptable. |
Compared with S25FL129P0XNFI013, the S25FL128S offers higher read bandwidth but removes sub-sector flexibility, while the MX25L12833F provides equivalent sector granularity at lower cost but sacrifices accelerated programming and CFI - making the original optimal for legacy-critical, update-intensive embedded systems.
Availability
S25FL129P0XNFI013 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and network edge router configuration requiring stable component supply and long-term obsolescence management.
Supply support for S25FL129P0XNFI013 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 headquartered in San Jose, CA, delivers high-performance, high-reliability embedded solutions including PSoC, microcontrollers, analog ICs, and NOR/NAND flash memory.
The S25FL129P belongs to Cypress's Spansion-branded serial NOR Flash product line, engineered for robust firmware storage in automotive, industrial, and networking systems demanding high endurance, secure identification, and multi-mode SPI performance.
FAQ
Is S25FL129P0XNFI013 still recommended for new designs?
No - Cypress explicitly states this part is not recommended for new or current designs. The factory-recommended migration path is S25FL128S, which offers improved read speed and updated packaging. However, S25FL129P0XNFI013 remains supported for existing production and legacy design refreshes with verified qualification data.
What package type does S25FL129P0XNFI013 use?
S25FL129P0XNFI013 uses a 24-ball BGA package with 6 × 8 mm body size and 5 × 5 pin configuration (documented as FAB024). It is RoHS-compliant, lead-free, and rated at moisture sensitivity level 3 - requiring bake conditioning prior to reflow if exposed beyond floor life.
Does this device support Quad SPI mode with hardware write protection?
Yes - it supports Quad I/O FAST_READ and Quad Page Programming using SI, SO, W#/ACC/IO2, and HOLD#/IO3 as bidirectional data lines. Hardware write protection is implemented via Status Register BP2–BP0 bits and the W#/ACC pin state, allowing selective locking of top/bottom sectors or parameter blocks.
Can the OTP area be reprogrammed after initial programming?
No - the 128-bit secure OTP region can be permanently locked after programming, preventing further writes. The additional 490-byte OTP space may be programmed once per byte, but individual bytes cannot be erased or rewritten; full OTP lock is irreversible and enforced by on-chip fuse logic.
S25FL129P0XNFI013 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-P
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x8)
S25FL129P0XNFI013 FAQ
1.How can I place an order for S25FL129P0XNFI013 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL129P0XNFI013 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 S25FL129P0XNFI013 reliable?
The price and inventory of S25FL129P0XNFI013 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL129P0XNFI013 is usually 5 days.
3.What payment methods are accepted for S25FL129P0XNFI013?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL129P0XNFI013 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL129P0XNFI013?
S25FL129P0XNFI013 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL129P0XNFI013 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 S25FL129P0XNFI013?
For technical support, including S25FL129P0XNFI013 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL129P0XNFI013 requirements.
6.How does Aetrix verify that S25FL129P0XNFI013 is sourced from the original manufacturer or authorized distributors?
All S25FL129P0XNFI013 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 S25FL129P0XNFI013 meets industry standards.
7.What is the process for return or replacement of S25FL129P0XNFI013?
All S25FL129P0XNFI013 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL129P0XNFI013, 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 S25FL129P0XNFI013 part is unused and in its original packaging.
Return procedure for S25FL129P0XNFI013:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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