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Infineon Technologies S25FS128SAGNFI000
- Part No.:
- S25FS128SAGNFI000
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
S25FS128SAGNFI000.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:830
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Product details
Overview
S25FS128SAGNFI000 from Infineon is a 128 Mbit (16 MB) serial NOR flash memory IC with SPI Multi-I/O interface, operating at 1.8 V supply, supporting DDR Quad I/O read up to 80 MBps, hybrid/ uniform sector erase options, and integrated hardware ECC for single-bit error correction. It is used in industrial embedded systems requiring reliable nonvolatile code storage and XIP execution.
For engineers reviewing the S25FS128SAGNFI000 datasheet, S25FS128SAGNFI000 pinout, S25FS128SAGNFI000 application, or S25FS128SAGNFI000 equivalent, key selection criteria include 1.7–2.0 V supply range, AEC-Q100 Grade 2 (–40°C to +105°C) qualification, WSON 6 × 5 mm package, SFDP/CFI support, and OTP array security features.
Technical Context
This device implements Infineon's Eclipse architecture with 65-nm MIRRORBIT™ technology, enabling high-density NOR flash with deterministic timing and robust data retention. Its SPI-MIO interface supports standard SPI modes 0/3, dual/quad I/O, DDR Quad I/O, and extended addressing (24-/32-bit), ensuring compatibility with legacy S25FL-P/S families while delivering higher bandwidth than conventional SPI flash.
The embedded algorithm engine handles page programming (256/512-byte buffers), erase suspend/resume, and automatic ECC generation. Sector protection is implemented via status register bits, hardware/software WP#, and Advanced Sector Protection (ASP) with password-controlled access-enabling secure boot code partitioning and firmware integrity enforcement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mbit (16 MB) - fixed capacity for boot code and firmware image storage in space-constrained designs |
| Supply Voltage | 1.7 V to 2.0 V - enables low-power operation in 1.8 V system rails without level-shifting |
| Read Bandwidth | 80 MBps DDR Quad I/O - supports real-time XIP execution of firmware from flash without local RAM buffering |
| Erase Endurance | 100,000 program-erase cycles - ensures longevity in field-updatable embedded applications |
| Data Retention | 20 years minimum - guarantees firmware integrity over full product lifecycle in industrial environments |
| Temperature Range | –40°C to +105°C (Industrial Plus / AEC-Q100 Grade 2) - validated for under-hood automotive and factory-floor control units |
| Security Features | 1024-byte OTP array + ASP with password read control - enables immutable root-of-trust and secure firmware authentication |
Pinout & Package
Package: WSON 6 × 5 mm (WND008), 8-pin, Pb-free, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CS#) | Chip Select | Active-low enable for SPI command latching; must be asserted before clock edge to initiate transaction |
| 2 (DO/IO1) | Serial Output / I/O1 | Output during standard/fast read; bidirectional during Dual/Quad I/O; requires pull-up for tri-state release |
| 3 (WP#/IO2) | Write Protect / I/O2 | Hardware lock for sector protection when held low; functions as I/O2 in Quad mode |
| 4 (VSS) | Ground | Signal and power return path; decoupling capacitor required within 5 mm of pin |
| 5 (VCC) | Power Supply | 1.7–2.0 V core supply; bypassed with 1 µF ceramic capacitor adjacent to pin |
| 6 (SI/IO0) | Serial Input / I/O0 | Command/data input in standard mode; bidirectional I/O0 in Multi-I/O protocols |
| 7 (SCK) | Serial Clock | Input-only clock; supports up to 133 MHz SDR or 80 MHz DDR; duty cycle tolerance ±5% |
| 8 (RESET#/IO3) | Reset / I/O3 | Hardware reset trigger (active-low); serves as I/O3 in Quad mode; internal pull-down when unused |
Key Features
| Feature | Design Value |
|---|---|
| DDR Quad I/O Interface | Enables 80 MBps read throughput using double-data-rate on four I/O lines-reducing bus occupancy vs. SDR Quad I/O by 50% |
| Hybrid Sector Architecture | Combines eight 4-KB + one 32-KB sectors at top/bottom with 64-KB main array-optimizes small-parameter storage and large-firmware updates |
| Automatic Hardware ECC | On-the-fly single-bit error correction without CPU intervention-eliminates need for external error-handling firmware overhead |
| Advanced Sector Protection (ASP) | Password-protected per-sector read/write control-supports secure boot loader isolation and anti-rollback firmware versioning |
| SFDP & CFI Compliance | Self-describing configuration via JEDEC JESD216 SFDP table-enables automatic driver initialization without hard-coded timing parameters |
Applications
| Automotive Instrument Cluster | Industrial PLC Firmware Storage |
|---|---|
Use Scenario: Storing calibrated gauge graphics, CAN message lookup tables, and OTA update staging area in digital dashboards. IC Role / Device Role / Timing Role: Nonvolatile code and data storage with XIP-capable Quad DDR read for real-time UI rendering. Use Value: 80 MBps DDR Quad I/O eliminates frame stutter during dynamic gauge animation; AEC-Q100 Grade 2 rating ensures reliability at 105°C ambient. | Use Scenario: Holding ladder logic runtime images, I/O mapping tables, and safety-critical firmware patches in modular control cabinets. IC Role / Device Role / Timing Role: Boot-time firmware loader and field-update repository with hardware write protection against accidental corruption. Use Value: Hybrid sector layout allows atomic 4-KB parameter updates alongside 64-KB firmware swaps; 100K-cycle endurance supports 10+ years of scheduled maintenance cycles. |
| Medical Imaging Boot Loader | Edge AI Gateway Configuration |
Use Scenario: Securely storing signed bootloader binaries and cryptographic keys for DICOM protocol stack initialization in portable ultrasound devices. IC Role / Device Role / Timing Role: Root-of-trust anchor with OTP-based key vault and ASP-enforced read lockdown. Use Value: 1024-byte OTP array stores immutable public keys; password-controlled ASP prevents unauthorized firmware introspection during regulatory audit. | Use Scenario: Hosting model weights metadata, sensor calibration profiles, and network stack configuration in battery-powered smart sensors. IC Role / Device Role / Timing Role: Low-voltage (1.8 V) persistent configuration store with deep power-down current of 6 µA. Use Value: 0.006 mA deep power-down extends battery life >10 years in LoRaWAN nodes; SFDP auto-detection simplifies driver porting across sensor variants. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Cypress S25FL128SAGNFI010 | Same die, identical pinout and timing; differs only in marking and traceability documentation | No functional difference; qualified for same AEC-Q100 Grade 2 and Industrial Plus temperature grades | Select when cross-qualified sourcing or legacy BOM continuity is required |
| Winbond W25Q128JVSIM | 1.8 V, 128 Mbit, but lacks DDR mode, ASP, and hybrid sector options; max Quad I/O = 40 MBps | Suitable for cost-sensitive consumer applications where XIP bandwidth and advanced security are not required | Choose only if DDR performance and OTP/ASP features are unnecessary and lower cost is primary |
Compared with S25FS128SAGNFI000, the Cypress alternative offers identical functionality and qualification, while the Winbond part trades DDR bandwidth, sector flexibility, and security for lower unit cost-making it viable only in non-safety-critical, non-XIP use cases.
Availability
S25FS128SAGNFI000 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLCs, medical imaging boot loaders, and edge AI gateways requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S25FS128SAGNFI000 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 is a German semiconductor manufacturer specializing in power management, sensing, and memory solutions for automotive, industrial, and IoT markets.
The FS-S Flash family targets high-reliability embedded systems needing deterministic boot performance, secure firmware updates, and extended temperature operation-designed specifically for automotive ADAS, industrial control, and medical diagnostics platforms.
FAQ
Is S25FS128SAGNFI000 pin-compatible with earlier S25FL-A or S25FL-K series devices?
Yes, it maintains footprint compatibility with S25FL-A, S25FL-K, S25FL-P, and S25FL-S families in the same WSON 6×5 mm package. Signal mapping, voltage levels, and command set subsets are preserved, enabling drop-in replacement in existing PCB layouts without redesign-though DDR and ASP features require updated firmware initialization sequences.
Does this device support Execute-in-Place (XIP) operation?
Yes, it supports continuous read mode for true XIP execution, including Fast Read, Dual I/O, Quad I/O, and DDR Quad I/O commands. The burst wrap feature enables seamless address wrapping during instruction fetch, and SFDP provides programmable latency and dummy cycle parameters required for reliable cache-line-aligned execution from flash.
What is the function of the RESET#/IO3 pin in normal operation?
In standard SPI mode, RESET#/IO3 serves as an active-low hardware reset input that forces the device into a known state and clears internal registers. When configured for Quad I/O, it becomes IO3-functioning as a bidirectional data line. Internal weak pull-down ensures safe default behavior during power-up or floating conditions.
How does the hybrid sector architecture improve firmware update reliability?
Hybrid sector architecture isolates critical boot code in protected 4-KB sectors while allocating larger 64-KB blocks for application firmware. This enables atomic updates: a failed 64-KB erase/program leaves the 4-KB boot sector intact, guaranteeing recovery capability. Combined with erase suspend/resume, it allows background updates without halting real-time system operation.
S25FS128SAGNFI000 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FS-S
- Package/Case:
- 8-WDFN Exposed Pad
- 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:
- 1.7V ~ 2V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x8)
S25FS128SAGNFI000 FAQ
1.How can I place an order for S25FS128SAGNFI000 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FS128SAGNFI000 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 S25FS128SAGNFI000 reliable?
The price and inventory of S25FS128SAGNFI000 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FS128SAGNFI000 is usually 5 days.
3.What payment methods are accepted for S25FS128SAGNFI000?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FS128SAGNFI000 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FS128SAGNFI000?
S25FS128SAGNFI000 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FS128SAGNFI000 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 S25FS128SAGNFI000?
For technical support, including S25FS128SAGNFI000 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FS128SAGNFI000 requirements.
6.How does Aetrix verify that S25FS128SAGNFI000 is sourced from the original manufacturer or authorized distributors?
All S25FS128SAGNFI000 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 S25FS128SAGNFI000 meets industry standards.
7.What is the process for return or replacement of S25FS128SAGNFI000?
All S25FS128SAGNFI000 units undergo pre-shipment inspection (PSI). If there is an issue with S25FS128SAGNFI000, 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 S25FS128SAGNFI000 part is unused and in its original packaging.
Return procedure for S25FS128SAGNFI000:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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