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Infineon Technologies S25FL128LAGMFB000
- Part No.:
- S25FL128LAGMFB000
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
S25FL128LAGMFB000.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,369
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Product details
Overview
S25FL128LAGMFB000 from Infineon is a 128-Mbit serial NOR flash memory with Quad SPI interface, 3V supply voltage, 133 MHz clock frequency, and uniform 256-byte sector erase capability. It operates across industrial temperature range (−40°C to +85°C) and supports XIP (execute-in-place) for embedded boot code storage in microcontroller-based systems.
For engineers reviewing the S25FL128LAGMFB000 datasheet, S25FL128LAGMFB000 pinout, S25FL128LAGMFB000 application, or S25FL128LAGMFB000 equivalent, key selection criteria include Quad SPI timing compliance, sector protection granularity, write endurance (100K cycles), data retention (20 years), and industrial-grade thermal reliability.
Technical Context
This device implements a standard Serial Peripheral Interface (SPI) with extended Quad I/O mode supporting single/dual/quad read commands. It uses a 4-byte address space with configurable dummy cycles and supports both volatile and non-volatile status register writes.
The memory array is organized as 256 Kbytes × 64 bits, with uniform 4-Kbyte sectors and 64-Kbyte blocks. Erase suspend/resume and deep power-down modes are supported for system-level power management in battery-constrained applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 Mbit (16 Mbyte) - sufficient for full firmware image plus configuration data in mid-tier MCUs |
| Interface | Quad SPI - enables 532 MB/s effective throughput using 4-bit I/O lines at 133 MHz |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic domains without level shifting |
| Erase Granularity | Uniform 4-Kbyte sectors - allows fine-grained firmware updates without disturbing adjacent code sections |
| Write Endurance | 100,000 program/erase cycles per sector - supports field-upgradable firmware with frequent patching |
| Data Retention | 20 years at +85°C - ensures long-term reliability in industrial control environments |
| Operating Temp | −40°C to +85°C - qualified for uncontrolled ambient deployments in factory automation |
Pinout & Package
Package: 8-pin SOIC (208 mil, 5.2 mm × 5.2 mm, 1.27 mm pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SO / IO1 | Serial Output / Quad I/O Line 1 | Outputs data during read; bidirectional in Quad mode for high-speed transfers |
| SI / IO0 | Serial Input / Quad I/O Line 0 | Accepts commands/address/data; bidirectional in Quad mode |
| WP# / IO2 | Write Protect / Quad I/O Line 2 | Hardware sector lock when asserted low; dual-role pin for Quad I/O |
| HOLD# / IO3 | Hold Input / Quad I/O Line 3 | Suspends ongoing transfer without chip deselect; dual-role pin for Quad I/O |
| CLK | Serial Clock Input | Edge-triggered input controlling all command and data timing |
| CS# | Chip Select Input | Active-low enable for command decoding and bus arbitration |
| VCC | Power Supply | 3.3 V core and I/O supply; decoupling required per JEDEC layout guidelines |
| VSS | Ground | Reference return path for all signals and internal circuitry |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI Read Mode | Enables 4-bit parallel data transfer per clock cycle, doubling bandwidth over Dual SPI |
| Program/Erase Suspend | Allows interrupting erase/write operations to service higher-priority reads, critical for real-time response |
| Security Register Lock | Hardware-protected 1-Kbyte security register prevents unauthorized firmware modification or cloning |
| Deep Power-Down Mode | Reduces current draw to 2 µA, extending battery life in always-on sensor nodes |
| Reset Pin Support | Dedicated hardware reset line enables synchronous recovery after brown-out or watchdog timeout |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing firmware and configuration tables for programmable logic controllers in factory-floor cabinets. IC Role / Device Role / Timing Role: Non-volatile boot memory providing XIP execution and fast random access to ladder logic modules. Use Value: Uniform 4-Kbyte sectors allow incremental firmware updates without halting machine operation. | Use Scenario: Holding boot code and calibration data for vision processing units in driver-assistance systems. IC Role / Device Role / Timing Role: High-reliability serial flash enabling secure, authenticated boot under ASIL-B constraints. Use Value: 20-year data retention and −40°C to +85°C operation ensure functional safety over vehicle lifetime. |
| Medical Diagnostic Imaging UI | Smart Grid Communication Module |
Use Scenario: Hosting GUI assets and diagnostic algorithms in portable ultrasound devices with limited PCB area. IC Role / Device Role / Timing Role: Compact 8-pin SOIC flash delivering deterministic read latency for real-time display rendering. Use Value: Quad SPI bandwidth supports rapid loading of high-resolution waveform overlays without frame stutter. | Use Scenario: Storing protocol stacks and encryption keys in DIN-rail-mounted smart meter gateways. IC Role / Device Role / Timing Role: Secure, tamper-resistant memory for firmware integrity verification and OTA update staging. Use Value: Hardware write protection and security register prevent unauthorized firmware injection during remote updates. |
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 |
|---|---|---|---|
| S25FL128SAGMFI000 | Same density and package, but with 1.8 V core supply and dual-power domain (1.8 V core / 3.3 V I/O) | Targeted for ultra-low-power MCU platforms requiring mixed-voltage interfaces | Select when migrating to 1.8 V core logic or integrating with LPDDR-compatible SoCs |
| MX25L12833FZNI-10G | 128 Mbit density, same SOIC-8 package, but lacks Quad SPI suspend/resume and has lower write endurance (30K cycles) | Suitable for cost-sensitive consumer electronics where firmware update frequency is low | Choose only if Quad suspend functionality and 100K-cycle endurance are not required |
Compared with S25FL128SAGMFI000, this part offers higher voltage margin and simpler power design; compared with MX25L12833FZNI-10G, it delivers superior endurance and real-time erase interrupt capability essential for industrial firmware agility.
Availability
S25FL128LAGMFB000 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical diagnostic imaging UI requiring stable component supply and long-term lifecycle support.
Supply support for S25FL128LAGMFB000 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 connectivity solutions for industrial, automotive, and IoT markets.
This device belongs to the S25FL family of high-performance serial NOR flash memories, designed specifically for robust, secure, and high-bandwidth code storage in safety-critical embedded systems.
FAQ
What is the maximum clock frequency supported in Quad SPI mode?
The S25FL128LAGMFB000 supports up to 133 MHz in Quad SPI read mode, achieving 532 MB/s effective throughput. This frequency is validated across the full industrial temperature range and requires controlled impedance routing and proper termination on the host board.
Does this device support execute-in-place (XIP) operation?
Yes, the device supports XIP mode via continuous read commands, allowing microcontrollers to execute code directly from flash without copying to RAM. XIP is enabled by default after power-up and requires no external hardware changes beyond standard Quad SPI wiring.
How is sector protection implemented?
Sector protection is implemented through non-volatile status register bits (SRWD, SEC, TB, BP2–BP0) that lock individual 4-Kbyte sectors against program/erase. Protection can be set via Write Status Register command and persists across power cycles unless explicitly cleared.
Is there hardware support for secure firmware updates?
Yes, the device includes a dedicated 1-Kbyte one-time-programmable (OTP) security register with hardware lock bits. Once programmed and locked, this register stores cryptographic keys or firmware hashes and cannot be altered, enabling secure boot verification and anti-cloning measures.
S25FL128LAGMFB000 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-L
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- 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
S25FL128LAGMFB000 FAQ
1.How can I place an order for S25FL128LAGMFB000 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL128LAGMFB000 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 S25FL128LAGMFB000 reliable?
The price and inventory of S25FL128LAGMFB000 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL128LAGMFB000 is usually 5 days.
3.What payment methods are accepted for S25FL128LAGMFB000?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL128LAGMFB000 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL128LAGMFB000?
S25FL128LAGMFB000 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL128LAGMFB000 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 S25FL128LAGMFB000?
For technical support, including S25FL128LAGMFB000 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL128LAGMFB000 requirements.
6.How does Aetrix verify that S25FL128LAGMFB000 is sourced from the original manufacturer or authorized distributors?
All S25FL128LAGMFB000 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 S25FL128LAGMFB000 meets industry standards.
7.What is the process for return or replacement of S25FL128LAGMFB000?
All S25FL128LAGMFB000 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL128LAGMFB000, 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 S25FL128LAGMFB000 part is unused and in its original packaging.
Return procedure for S25FL128LAGMFB000:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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