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Infineon Technologies S25FL128LAGMFB001
- Part No.:
- S25FL128LAGMFB001
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
S25FL128LAGMFB001.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,834
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Product details
Overview
S25FL128LAGMFB001 from Infineon is a 128-Mbit serial NOR flash memory with quad SPI interface, 3.0 V supply voltage, and 100 MHz clock frequency, supporting XIP operation and used in boot code storage for industrial microcontrollers.
For engineers reviewing the S25FL128LAGMFB001 datasheet, S25FL128LAGMFB001 pinout, S25FL128LAGMFB001 application, or S25FL128LAGMFB001 equivalent, key selection criteria include read latency, sector erase time, write endurance, data retention, and SOIC-16 package compatibility with legacy PCB footprints.
Technical Context
This device implements a standard Serial Peripheral Interface (SPI) with extended quad I/O (QPI) mode for high-speed data transfer. It supports uniform 4-KB sectors and 64-KB blocks, with configurable write protection via status register bits and hardware WP# pin.
The memory uses CMOS floating-gate technology with ECC on read operations and includes a 256-byte page programming buffer. Erase suspend/resume and deep power-down modes are supported for system-level power management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 Mbit (16 MB), sufficient for full firmware images in mid-tier MCUs |
| Interface | Quad SPI (QPI) and standard SPI, enabling up to 400 MB/s effective throughput |
| Supply Voltage | 2.7–3.6 V, compatible with 3.3 V logic domains without level shifting |
| Read Latency | 8 ns address access time in QPI mode, critical for XIP performance |
| Erase Time | Typical 0.5 s per 64-KB block, enabling fast field firmware updates |
| Endurance | 100,000 program/erase cycles per sector, suitable for logging and configuration storage |
| Data Retention | 20 years at 85°C, validated for industrial temperature operation |
Pinout & Package
Package: 16-pin SOIC (300 mil width), RoHS-compliant, surface-mountable with standard reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SO, IO0–IO3 | Serial Data I/O | Quad bidirectional data lines supporting single/dual/quad I/O protocols |
| SI, IO0 | Serial Input | Primary input for command/address/data in standard SPI mode |
| WP#, IO2 | Write Protect | Hardware-enabled sector protection independent of status register settings |
| HOLD#, IO3 | Hold Function | Pauses ongoing serial transfer without resetting internal state |
| CS# | Chip Select | Active-low enable for device communication; required for all transactions |
| CLK | Serial Clock | Master-generated clock up to 100 MHz; controls timing of all I/O operations |
| VCC, VSS | Power Supply | Single 3.3 V supply with dedicated ground; no auxiliary voltage rails required |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI (QPI) Mode | Enables 4-bit-per-clock data transfers, doubling bandwidth over dual SPI without added pins |
| Uniform Sector Architecture | 4-KB sectors allow fine-grained firmware updates without erasing entire memory space |
| Hardware Write Protection | WP# pin provides tamper-resistant locking of boot sectors during power-up |
| Deep Power-Down Mode | Reduces current to 2 µA, extending battery life in always-on edge devices |
| Program/Erase Suspend | Allows read access during background erase, improving real-time system responsiveness |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing bootloader and safety-critical firmware in programmable logic controllers operating at -40°C to +85°C. IC Role / Device Role / Timing Role: Non-volatile boot memory providing deterministic read latency for MCU startup sequence. Use Value: 20-year data retention ensures firmware integrity across extended equipment lifecycles without refresh. | Use Scenario: Holding camera sensor initialization code and calibration data in front-facing ADAS cameras. IC Role / Device Role / Timing Role: Quad SPI-configured boot memory enabling sub-100 ms cold-boot time for ISO 26262 compliance. Use Value: Hardware WP# prevents accidental overwrite of calibrated parameters during vehicle software updates. |
| Medical Imaging System Configuration | Smart Grid RTU Code Storage |
Use Scenario: Storing FPGA configuration bitstreams and DICOM protocol stacks in portable ultrasound units. IC Role / Device Role / Timing Role: High-reliability serial flash supporting concurrent read/erase via suspend/resume for multi-threaded firmware loading. Use Value: 100,000 P/E cycles accommodate frequent field calibration updates without memory wear-out. | Use Scenario: Hosting secure firmware and encryption keys in remote terminal units deployed in substations. IC Role / Device Role / Timing Role: Trusted boot memory with hardware write protection aligned to IEC 62443 security requirements. Use Value: SOIC-16 footprint enables drop-in replacement in legacy grid infrastructure designs. |
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 |
|---|---|---|---|
| MX25L12833FZC-10G | 1.8 V core supply, different command set, no QPI mode | Requires level-shifting circuitry and revised driver stack for 3.3 V systems | Prefer only when dual-voltage design or lower active current is mandatory |
| S25FL128SAGMFI001 | Same density and pinout, but with 133 MHz max clock and enhanced ECC coverage | Direct upgrade path with improved error resilience for safety-critical boot code | Select when higher reliability or future-proofing against bit errors is required |
Compared with MX25L12833FZC-10G, S25FL128LAGMFB001 avoids level-shift complexity in 3.3 V systems; versus S25FL128SAGMFI001, it trades minor ECC and speed uplift for cost-sensitive industrial deployments where 100 MHz suffices.
Availability
S25FL128LAGMFB001 is available at Aetrix Electronics and suitable for industrial control, automotive ADAS, and medical imaging systems requiring stable component supply and long-term manufacturability.
Supply support for S25FL128LAGMFB001 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 AG is a German semiconductor manufacturer specializing in power management, sensing, and memory solutions for industrial, automotive, and IoT applications.
S25FL128LAGMFB001 belongs to the Semper™ family of serial NOR flash memories, engineered for high reliability, fast boot times, and seamless integration into safety-critical embedded systems.
FAQ
Is S25FL128LAGMFB001 compatible with standard SPI controllers?
Yes, it supports standard SPI mode (single I/O) at up to 80 MHz, in addition to dual and quad I/O modes. Command sets follow JEDEC JESD216B for SFDP register compatibility, ensuring driver interoperability across vendor toolchains without custom firmware.
What is the minimum erase granularity for this device?
The smallest erasable unit is a 4-KB uniform sector. This allows selective firmware patching without disturbing adjacent code or configuration data, reducing update time and flash wear compared to bulk 64-KB block erases.
Does this part support execute-in-place (XIP) operation?
Yes, it supports true XIP with zero wait-state reads in QPI mode at 100 MHz. The internal address latch and prefetch buffer enable continuous instruction fetch directly from flash, eliminating need for external RAM buffering during boot.
How is hardware write protection implemented?
Hardware write protection is controlled by the WP# pin: when held low during power-up, it locks all sectors permanently until next power cycle. This complements software-based protection and prevents accidental writes during voltage transients or firmware bugs.
S25FL128LAGMFB001 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-L
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- 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, QPI
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- -
- 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:
- 16-SOIC
S25FL128LAGMFB001 FAQ
1.How can I place an order for S25FL128LAGMFB001 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL128LAGMFB001 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 S25FL128LAGMFB001 reliable?
The price and inventory of S25FL128LAGMFB001 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL128LAGMFB001 is usually 5 days.
3.What payment methods are accepted for S25FL128LAGMFB001?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL128LAGMFB001 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL128LAGMFB001?
S25FL128LAGMFB001 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL128LAGMFB001 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 S25FL128LAGMFB001?
For technical support, including S25FL128LAGMFB001 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL128LAGMFB001 requirements.
6.How does Aetrix verify that S25FL128LAGMFB001 is sourced from the original manufacturer or authorized distributors?
All S25FL128LAGMFB001 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 S25FL128LAGMFB001 meets industry standards.
7.What is the process for return or replacement of S25FL128LAGMFB001?
All S25FL128LAGMFB001 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL128LAGMFB001, 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 S25FL128LAGMFB001 part is unused and in its original packaging.
Return procedure for S25FL128LAGMFB001:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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