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Infineon Technologies S25FL132K0XMFB043
- Part No.:
- S25FL132K0XMFB043
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
S25FL132K0XMFB043.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,834
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Product details
Overview
S25FL132K0XMFB043 from Cypress Semiconductor is a 32-Mbit (4 Mbyte), 3.0 V serial NOR flash memory with SPI Multi-I/O interface, supporting Quad Read at 108 MHz and delivering up to 54 MB/s continuous data transfer. It features uniform 4 kB sector and 64 kB block erase, 100K program-erase cycles, 20-year data retention, and hardware/software write protection. Used in embedded boot code storage and firmware update storage for industrial microcontroller systems.
For engineers reviewing the S25FL132K0XMFB043 datasheet, S25FL132K0XMFB043 pinout, S25FL132K0XMFB043 application, or S25FL132K0XMFB043 equivalent, key selection criteria include Quad I/O read performance, security register OTP protection, AEC-Q100 Grade 2 qualification, and migration path to S25FL064L for new designs.
Technical Context
This device implements JEDEC-standard SPI command set with support for modes 0 and 3, Serial Flash Discoverable Parameters (SFDP), and Execute-In-Place (XIP) optimized continuous/wrapped read modes. It uses 90 nm floating gate technology and operates across −40 °C to +105 °C (Industrial Plus).
Memory organization comprises 8,192 × 4-kB sectors, with three 256-byte one-time-programmable (OTP) security registers, 8-byte unique ID, and dual protection mechanisms: software command lock and hardware WP#/HOLD# inputs. Quad I/O mode disables WP# and HOLD# functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 Mbit (4 Mbyte) - sufficient for full MCU boot image plus firmware update partition |
| Interface | SPI Multi-I/O (SIO/DIO/QIO) - reduces pin count vs parallel NOR while maintaining XIP performance |
| Max Read Speed | 108 MHz Quad Read - enables 54 MB/s throughput matching x16 parallel NOR in cache-line fill scenarios |
| Erase Granularity | 4 kB sectors and 64 kB blocks - supports fine-grained firmware patching and robust recovery partitioning |
| Endurance & Retention | 100K program-erase cycles / 20-year data retention - validated for industrial lifecycle requirements |
| Supply Voltage | 2.7 V to 3.6 V - compatible with standard 3.3 V logic rails and brown-out tolerant operation |
| Temperature Range | −40 °C to +105 °C (Industrial Plus) - qualified per AEC-Q100 Grade 2 for under-hood automotive use |
Pinout & Package
Package: 8-contact USON (4 mm × 4 mm), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select Input | Active-low enable for command execution; must be held low for entire command duration |
| SCK | Serial Clock Input | Provides timing reference for all SPI transfers; supports up to 108 MHz in Quad mode |
| IO0 (SI) | Serial Data I/O (Input/Output) | Primary bidirectional data line; used for instruction, address, and data in all I/O modes |
| IO1 (SO) | Serial Data I/O (Input/Output) | Second bidirectional line; enables Dual/Quad Read and Program in multi-I/O configurations |
| IO2 (WP#) | Write Protect Input | Hardware-level protection override; active-low, disabled when Quad I/O mode is enabled |
| IO3 (HOLD#) | Command Hold Input | Suspends ongoing command mid-execution; active-low, disabled in Quad I/O mode |
| VCC | Power Supply | Single 2.7–3.6 V supply; powers core and I/O circuits; decoupling required per datasheet layout guidelines |
| VSS | Ground | Signal and power return reference; requires low-impedance connection to PCB ground plane |
Key Features
| Feature | Design Value |
|---|---|
| Quad Read at 108 MHz | Enables 54 MB/s sustained throughput - eliminates bottleneck in XIP-based MCU boot and real-time firmware execution |
| Program/Erase Suspend & Resume | Allows host to interrupt long erase operations (e.g., 500 ms 64 kB block erase) for time-critical tasks without data loss |
| Three 256-byte OTP Security Registers | Stores immutable keys, calibration data, or device identity - prevents tampering during field deployment or firmware updates |
| Pointer-Based Block Protection | Configurable 4 kB–full-memory protection range via status register bits - supports hierarchical firmware partitioning (e.g., bootloader lock) |
| JEDEC SFDP Compliance | Self-describing parameter table accessible via standard command - enables automatic driver configuration without hard-coded timing values |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
|
Use Scenario: Storing boot loader and real-time control firmware in programmable logic controllers operating in factory environments with wide temperature swings. IC Role / Device Role / Timing Role: Non-volatile boot memory providing deterministic XIP execution and secure firmware update staging. Use Value: 4 kB sector erase enables atomic patching of control algorithms; AEC-Q100 Grade 2 rating ensures reliability at +105 °C ambient. |
Use Scenario: Hosting boot code and sensor fusion firmware in radar or camera ECUs where startup latency and data integrity are safety-critical. IC Role / Device Role / Timing Role: Primary boot flash with execute-in-place capability and hardware write protection for ASIL-B compliant systems. Use Value: Quad Read at 108 MHz achieves sub-100 ms boot time; OTP registers store cryptographic keys for secure boot verification. |
| Medical Device Configuration Storage | Networking Equipment Image Backup |
|
Use Scenario: Retaining calibrated sensor parameters and regulatory-compliant device settings in portable diagnostic equipment with infrequent field updates. IC Role / Device Role / Timing Role: Secure parameter storage with tamper-resistant OTP and software/hardware lock-down until power cycle. Use Value: 20-year data retention meets IEC 62304 long-life requirements; 8-byte unique ID enables per-unit traceability and calibration log binding. |
Use Scenario: Holding redundant firmware images and configuration snapshots in enterprise switches and routers requiring zero-downtime upgrades. IC Role / Device Role / Timing Role: Dual-image flash storage supporting A/B partitioning with fast sector-level erase for rollback-safe updates. Use Value: 64 kB block erase completes in ≤131 ms (typ.), enabling <500 ms firmware swap; SFDP simplifies driver porting across product generations. |
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 |
|---|---|---|---|
| S25FL064L0XMFI000 | 64 Mbit density, 133 MHz Quad Read, 1.8 V / 3.0 V dual supply, enhanced SFDP v1.6, 200K endurance | Supports larger firmware images and higher-speed interfaces; requires voltage translation if interfacing with 3.3 V-only hosts | Select for new designs requiring extended density, longer lifecycle, or future-proof SFDP compatibility |
| S25FL128SAGMFI200 | 128 Mbit density, 166 MHz Quad Read, 1.8 V / 3.0 V supply, octal DTR support, 256K endurance | Targeted at high-end applications needing >64 MB firmware storage and DDR timing; not pin-compatible with S25FL132K | Choose only when migrating to Cypress's S-series platform with board redesign and DDR-capable controller |
Compared with S25FL132K0XMFB043, S25FL064L offers double density and higher speed at same voltage, while S25FL128S adds octal DTR but demands controller upgrade - both eliminate legacy limitations like missing Erase Suspend in P-family predecessors.
Availability
S25FL132K0XMFB043 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical device configuration storage requiring stable component supply despite end-of-life status.
Supply support for S25FL132K0XMFB043 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 (now part of Infineon Technologies) designs high-reliability non-volatile memory and microcontroller solutions for industrial, automotive, and communications markets.
The S25FL1-K family was engineered for cost-sensitive, space-constrained embedded systems needing robust SPI flash with XIP support, security registers, and AEC-Q100 qualification - bridging legacy FL-K performance with modern feature sets before transitioning to the S25FL-L series.
FAQ
Is S25FL132K0XMFB043 recommended for new designs?
No. Cypress explicitly designates this part as "Not Recommended for New Design" and recommends migration to S25FL064L. It remains available for legacy production and repair, with full technical documentation and lifecycle support maintained by Infineon. Designers initiating new projects should evaluate S25FL064L for improved density, speed, and longevity.
What package does S25FL132K0XMFB043 use?
S25FL132K0XMFB043 uses an 8-contact USON package (4 mm × 4 mm), identified by suffix "0XMFB". This ultra-thin, lead-free, halogen-free package features wettable flanks for automated optical inspection and is rated MSL-3. Pinout matches SOIC-8 and WSON-8 footprints electrically but requires specific land pattern per Cypress AN98567.
Does it support Execute-In-Place (XIP) reliably?
Yes. The device supports efficient XIP via Continuous Read Mode (8-clock overhead per access) and Wrapped Read Mode (cache-line refill optimization). At 108 MHz Quad Read, it delivers 54 MB/s - exceeding typical x16 parallel NOR bandwidth - and includes dummy-cycle configurability to balance clock rate and initial access latency for deterministic real-time execution.
How is security implemented in this flash device?
Security includes three 256-byte OTP registers (locked permanently after programming), 8-byte unique ID per die, software/hardware write protection (WP# input and status register bits), lock-down until power cycle, and pointer-based block protection covering 4 kB to full array. All protections are validated across −40 °C to +105 °C and comply with JEDEC JESD22-A117 humidity testing.
S25FL132K0XMFB043 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL1-K
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 32Mbit
- Memory Organization:
- 4M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 108 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
S25FL132K0XMFB043 FAQ
1.How can I place an order for S25FL132K0XMFB043 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL132K0XMFB043 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 S25FL132K0XMFB043 reliable?
The price and inventory of S25FL132K0XMFB043 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL132K0XMFB043 is usually 5 days.
3.What payment methods are accepted for S25FL132K0XMFB043?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL132K0XMFB043 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL132K0XMFB043?
S25FL132K0XMFB043 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL132K0XMFB043 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 S25FL132K0XMFB043?
For technical support, including S25FL132K0XMFB043 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL132K0XMFB043 requirements.
6.How does Aetrix verify that S25FL132K0XMFB043 is sourced from the original manufacturer or authorized distributors?
All S25FL132K0XMFB043 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 S25FL132K0XMFB043 meets industry standards.
7.What is the process for return or replacement of S25FL132K0XMFB043?
All S25FL132K0XMFB043 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL132K0XMFB043, 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 S25FL132K0XMFB043 part is unused and in its original packaging.
Return procedure for S25FL132K0XMFB043:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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