Infineon Technologies S25FL128LAGBHM020
- Part No.:
- S25FL128LAGBHM020
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
S25FL128LAGBHM020.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 24BGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S25FL128LAGBHM020 from Infineon is a 128-Mbit serial NOR flash memory with Quad SPI interface, 3.0–3.6 V supply, 100 MHz clock frequency, and 133 MHz DDR read speed. It supports XIP operation and is used in boot code storage for industrial microcontrollers.
For engineers reviewing the S25FL128LAGBHM020 datasheet, S25FL128LAGBHM020 pinout, S25FL128LAGBHM020 application, or S25FL128LAGBHM020 equivalent, key selection criteria include read latency, sector erase granularity, write endurance, and JEDEC-standard command set compliance.
Technical Context
This device implements a standard Serial Peripheral Interface (SPI) with extended Quad I/O (QPI) mode, supporting single/dual/quad I/O read and program operations. It features a 256-byte page programming buffer and uniform 4-KB sector erase capability.
The memory array is organized as 256 Kbytes × 64 bits, with hardware reset support and configurable write protection via status register bits WPEN and SRP. It complies with JEDEC JESD216B for SFDP table reporting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 128 Mbit (16 MB), sufficient for full firmware image + configuration data in edge-node MCUs |
| Interface | Quad SPI (QPI), enables 4-bit-wide data transfers for 4× bandwidth vs standard SPI |
| Max Clock Frequency | 100 MHz (SDR), supports fast boot loading without CPU clock domain constraints |
| Read Speed (DDR) | 133 MHz DDR, delivers up to 66.5 MB/s effective throughput for XIP execution |
| Erase Granularity | Uniform 4-KB sectors, allows fine-grained firmware update without full chip erase |
| Write Endurance | 100,000 program/erase cycles per sector, validated for field firmware updates over 10-year product life |
| Data Retention | 20 years at 85°C, meets industrial temperature grade reliability requirements |
Pinout & Package
Supplied in an 8-pin SOIC-208mil package with standard SPI pinout and no exposed pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SO / IO1 | Serial Output / Quad I/O Line 1 | Outputs data during read; bidirectional in QPI mode for address/data multiplexing |
| SI / IO0 | Serial Input / Quad I/O Line 0 | Accepts commands, addresses, and input data; bidirectional in QPI mode |
| WP# / IO2 | Write Protect / Quad I/O Line 2 | Hardware write protection when low; serves as I/O2 in quad mode |
| HOLD# / IO3 | Hold Input / Quad I/O Line 3 | Pauses ongoing transfer without chip deselect; functions as I/O3 in quad mode |
| CS# | Chip Select | Active-low enable for SPI command decoding and bus arbitration |
| CLK | Serial Clock | Master-generated timing reference; controls all command/address/data sampling |
| VCC | Power Supply | 3.0–3.6 V core and I/O supply; decoupling required per JEDEC layout guidelines |
| VSS | Ground | Reference return path for all digital and I/O circuits |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI (QPI) Mode | Enables 4-line data transfer for 4× read bandwidth vs standard SPI, reducing boot time by ~75% |
| 4-KB Uniform Sector Erase | Allows independent firmware partitioning and OTA update of application sections without affecting bootloader |
| Hardware Write Protection | WP# pin provides physical lock against accidental writes to protected sectors or status register |
| JEDEC JESD216B SFDP Support | Enables automatic configuration by host bootloader via standardized parameter table, eliminating hard-coded timing values |
| Single Power Supply | 3.0–3.6 V operation eliminates need for separate I/O voltage rail, simplifying power design |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing boot loader and real-time control 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 cold-start execution. Use Value: 4-KB sector erase enables field-upgradable control logic without erasing safety-critical boot code. | Use Scenario: Holding boot firmware and sensor calibration data in front-camera modules compliant with AEC-Q100 Grade 2. IC Role / Device Role / Timing Role: Primary boot device accessed via MCU's Quad SPI controller during power-on initialization. Use Value: 133 MHz DDR read speed ensures sub-100 ms boot sequence completion under automotive thermal stress. |
| Medical Imaging Device Configuration | Smart Grid Communication Module |
Use Scenario: Storing FPGA configuration bitstreams and calibration lookup tables in portable ultrasound systems. IC Role / Device Role / Timing Role: Configuration memory mapped into processor address space for XIP execution of initialization routines. Use Value: Hardware write protection prevents corruption of critical calibration data during system power cycling. | Use Scenario: Hosting protocol stack firmware and secure key storage in IEEE 1901.2 PLC modems deployed in utility substations. IC Role / Device Role / Timing Role: Trusted non-volatile storage for cryptographic keys and firmware integrity signatures. Use Value: 20-year data retention at 85°C ensures reliable key persistence across 15+ year grid infrastructure deployments. |
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 | Same density and pinout, but uses 1.8 V core supply (VCC = 1.7–2.0 V); lacks DDR read mode | Targeted at ultra-low-power battery-operated devices, not industrial 3.3 V systems | Select only if system uses 1.8 V I/O and does not require DDR read performance |
| MX25L12833FZNI-10G | 128 Mbit, 3.3 V, but supports only standard and dual I/O (no QPI); max SDR clock 80 MHz | Lower bandwidth requirement; no XIP optimization for high-speed execution | Choose when cost sensitivity outweighs boot speed needs and QPI is unused in host design |
Compared with S25FL128SAGMFI000 and MX25L12833FZNI-10G, the S25FL128LAGBHM020 uniquely delivers 133 MHz DDR read speed and Quad SPI mode in a 3.3 V industrial-grade package-critical for deterministic boot timing in real-time embedded systems.
Availability
S25FL128LAGBHM020 is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, and medical imaging equipment requiring stable component supply and long-term lifecycle support.
Supply support for S25FL128LAGBHM020 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, automotive ICs, and memory solutions for industrial and mission-critical applications.
This device belongs to the S25FL-S family of serial NOR flash memories designed specifically for high-reliability boot code and firmware storage in harsh-environment embedded systems.
FAQ
What is the maximum supported clock frequency for S25FL128LAGBHM020 in DDR mode?
The device does not operate DDR mode at a separate clock frequency; it uses the same 100 MHz SDR clock but transfers two bits per cycle, achieving 133 MHz effective DDR read speed per JEDEC JESD251A specification. This requires host controller support for DDR command sequences and proper PCB layout for signal integrity.
Does S25FL128LAGBHM020 support execute-in-place (XIP) operation?
Yes, it supports XIP via Quad SPI mode with continuous read commands, enabling direct code execution from flash without copying to RAM. The 133 MHz DDR read speed and low initial latency (tSLCH = 6 ns) make it suitable for real-time interrupt response in industrial MCUs.
How is hardware write protection implemented on this device?
Hardware write protection is controlled by the WP# pin: when held low, it locks the status register and prevents writes to protected sectors defined by BP bits. This is independent of software write-enable instructions and remains active across power cycles, ensuring robust protection of boot code.
Is S25FL128LAGBHM020 qualified for automotive applications?
No, this specific variant (S25FL128LAGBHM020) is rated for industrial temperature range (–40°C to +85°C) and is not AEC-Q100 qualified. For automotive use, Infineon offers the S25FL128LAGMFI000 variant with Grade 2 qualification and extended temperature testing.
S25FL128LAGBHM020 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-L
- Package/Case:
- 24-TBGA
- 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-BGA (8x6)
S25FL128LAGBHM020 FAQ
1.How can I place an order for S25FL128LAGBHM020 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL128LAGBHM020 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 S25FL128LAGBHM020 reliable?
The price and inventory of S25FL128LAGBHM020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL128LAGBHM020 is usually 5 days.
3.What payment methods are accepted for S25FL128LAGBHM020?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL128LAGBHM020 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL128LAGBHM020?
S25FL128LAGBHM020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL128LAGBHM020 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 S25FL128LAGBHM020?
For technical support, including S25FL128LAGBHM020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL128LAGBHM020 requirements.
6.How does Aetrix verify that S25FL128LAGBHM020 is sourced from the original manufacturer or authorized distributors?
All S25FL128LAGBHM020 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 S25FL128LAGBHM020 meets industry standards.
7.What is the process for return or replacement of S25FL128LAGBHM020?
All S25FL128LAGBHM020 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL128LAGBHM020, 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 S25FL128LAGBHM020 part is unused and in its original packaging.
Return procedure for S25FL128LAGBHM020:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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