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Infineon Technologies S25FS128SDSMFI1D3
- Part No.:
- S25FS128SDSMFI1D3
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
S25FS128SDSMFI1D3.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,889
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Product details
Overview
S25FS128SDSMFI1D3 from Infineon is a 128 Mb (16 MB) serial NOR flash memory IC with SPI Multi-I/O interface, 1.8 V supply, industrial temperature grade (–40°C to +85°C), and WSON 6 × 5 mm package. It supports Quad I/O read up to 66 MBps, DDR Quad I/O at 80 MBps, 100,000 program-erase cycles, 20-year data retention, and hardware ECC for single-bit error correction.
For engineers reviewing the S25FS128SDSMFI1D3 datasheet, S25FS128SDSMFI1D3 pinout, S25FS128SDSMFI1D3 application, or S25FS128SDSMFI1D3 equivalent, key selection criteria include SPI-MIO timing compliance, hybrid/uniform sector erase flexibility, OTP array usage, SFDP/CFI configuration support, and AEC-Q100 grade compatibility in automotive control modules.
Technical Context
This device implements Infineon's Eclipse architecture with 65-nm MIRRORBIT™ technology, enabling high-speed Quad and DDR Quad I/O read modes while maintaining backward command compatibility with S25FL-P/S families. It uses a configurable 24-/32-bit addressing scheme and supports both burst wrap and continuous XIP execution modes.
The flash integrates dual-sector erase options-hybrid (eight 4-KB + one 32-KB sectors) and uniform (64-KB or 256-KB blocks)-with suspend/resume capability for both program and erase operations. Internal hardware ECC operates transparently during read, correcting single-bit errors without host intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mbits (16 MB) - fixed capacity for boot code and firmware storage in resource-constrained embedded systems |
| Supply Voltage | 1.7 V to 2.0 V - optimized for low-power 1.8 V system rails with tight regulation tolerance |
| Read Bandwidth | 66 MBps (Quad I/O, 133 MHz) - enables fast XIP execution of real-time firmware without external RAM buffering |
| Erase Endurance | 100,000 cycles minimum - supports frequent field firmware updates in industrial gateways and telematics units |
| Data Retention | 20 years minimum at +85°C - ensures long-term reliability in unattended infrastructure equipment |
| Temperature Grade | Industrial (–40°C to +85°C) - validated for operation in factory automation controllers and motor drives |
| Package | WSON 6 × 5 mm (WND008) - surface-mount footprint with thermal pad for improved power dissipation in compact PCB layouts |
Pinout & Package
Package: WSON 6 × 5 mm (WND008), 8-pin, Pb-free, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CS#) | Chip Select | Active-low enable for SPI command latching; must be held low for entire command sequence |
| 2 (DO / IO1) | Serial Output / I/O Line 1 | Output during standard read; bidirectional in Dual/Quad I/O modes for data transfer |
| 3 (WP# / IO2) | Write Protect / I/O Line 2 | Hardware lock for status register and sector protection; functions as IO2 in Quad mode |
| 4 (VSS) | Ground | Signal and power reference plane; connects to thermal pad for heat dissipation |
| 5 (VCC) | Power Supply | 1.8 V core and I/O supply; requires local 1 µF decoupling near pin |
| 6 (SI / IO0) | Serial Input / I/O Line 0 | Command/address/data input in standard mode; bidirectional in Multi-I/O configurations |
| 7 (SCK) | Serial Clock | Edge-triggered clock up to 133 MHz SDR or 80 MHz DDR; phase/polarity configurable per SPI mode |
| 8 (RESET# / IO3) | Reset / I/O Line 3 | Hardware reset assertion; serves as IO3 in Quad I/O mode for full bus utilization |
Key Features
| Feature | Design Value |
|---|---|
| DDR Quad I/O Read | 80 MBps throughput using double-data-rate on four I/O lines - reduces instruction fetch latency in XIP-based microcontrollers |
| Hybrid Sector Architecture | Eight 4-KB + one 32-KB sectors at top/bottom address space - enables fine-grained firmware partitioning for secure boot and OTA update staging |
| Hardware ECC | On-the-fly single-bit error correction with no host CPU overhead - maintains data integrity across extended temperature and lifetime stress |
| OTP Array | 1024-byte one-time programmable region - stores immutable keys, calibration data, or device-specific identifiers in production |
| Advanced Sector Protection | Password- or boot-code-controlled individual sector locking - prevents unauthorized reprogramming of critical bootloader or security firmware |
Applications
| Automotive Instrument Cluster | Industrial PLC Firmware Storage |
|---|---|
Use Scenario: Storing calibrated gauge graphics, driver-assist logic, and firmware updates in digital dashboards. IC Role / Device Role / Timing Role: Boot-time NOR flash providing XIP-executable code and persistent configuration data. Use Value: DDR Quad I/O bandwidth ensures sub-100 ms boot time; hybrid sectors isolate safety-critical boot code from field-updatable UI assets. | Use Scenario: Holding ladder logic runtime, I/O mapping tables, and firmware images in modular control cabinets. IC Role / Device Role / Timing Role: Nonvolatile program memory supporting hot-swappable module firmware and cyclic redundancy-checked parameter sets. Use Value: 100K erase cycles accommodate quarterly firmware patches; OTP stores factory-calibrated analog input offsets. |
| Medical Diagnostic Imaging Boot | Smart Energy Meter Firmware |
Use Scenario: Secure boot loader and DICOM protocol stack storage in portable ultrasound and MRI subsystems. IC Role / Device Role / Timing Role: Trusted execution root-of-trust component with hardware-enforced sector protection and ECC-verified reads. Use Value: ASP password lock prevents tampering with FDA-certified firmware; 20-year retention meets medical device lifecycle requirements. | Use Scenario: Storing AMI communication stacks, tariff tables, and encrypted metering logs in ANSI C12.22-compliant endpoints. IC Role / Device Role / Timing Role: Field-updatable firmware repository with deep power-down current (6 µA) for battery-backed operation. Use Value: Uniform 64-KB erase blocks simplify OTA update partitioning; SFDP enables automatic configuration by host MCU bootloader. |
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 S25FL128SAGMFI100 | Same density, 3.0 V supply, SOIC-16 package; lacks DDR mode and hybrid sector option | Legacy 3.3 V designs requiring pin-compatible drop-in; not suitable for 1.8 V low-power systems | Select only if existing board uses 3.3 V rail and SOIC-16 footprint |
| Winbond W25Q128JVSIM | 1.8 V, 128 Mb, WSON-8; supports Quad I/O but no DDR, no hardware ECC, no ASP | Cost-sensitive consumer IoT devices where ECC and advanced protection are non-mandatory | Choose when budget constraints outweigh need for error resilience and secure sector locking |
Compared with S25FL128SAGMFI100 and W25Q128JVSIM, the S25FS128SDSMFI1D3 uniquely delivers DDR performance, integrated ECC, and password-protected sector locking in a compact 6×5 mm WSON package-making it optimal for next-generation automotive and industrial edge controllers requiring robust, upgradable firmware storage.
Availability
S25FS128SDSMFI1D3 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLCs, medical imaging subsystems, and smart energy meters requiring stable component supply across extended product lifecycles.
Supply support for S25FS128SDSMFI1D3 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, sensor, and memory solutions for automotive, industrial, and IoT applications.
The FS-S Flash family targets high-reliability embedded systems needing fast, secure, and long-life nonvolatile storage-specifically engineered for automotive ADAS, industrial control, and medical diagnostics where firmware integrity and update resilience are critical.
FAQ
Does S25FS128SDSMFI1D3 support execute-in-place (XIP) operation?
Yes, it supports continuous XIP mode with burst wrap addressing, allowing microcontrollers to execute code directly from flash without copying to RAM. This mode is enabled via configuration register bit CR3[2], and requires host MCU SPI controller support for continuous read commands with automatic address increment.
What is the function of the RESET# pin in normal operation?
In standard operation, pin 8 (RESET# / IO3) serves as IO3 for Quad I/O data transfers. It only functions as a hardware reset input when driven low for ≥20 µs while CS# is high; otherwise, it participates in all Quad-mode read/write transactions as a bidirectional data line.
How does the hybrid sector architecture benefit firmware update design?
The hybrid layout-eight 4-KB sectors plus one 32-KB sector at either end-enables dedicated allocation for bootloader (4-KB), secure key storage (4-KB), and update staging (32-KB), while leaving bulk 64-KB sectors for application firmware. This avoids erasing critical code during partial updates.
Is the OTP array accessible after power cycling?
Yes, the 1024-byte OTP region retains programmed data indefinitely after initial programming and survives unlimited power cycles. Access requires issuing the Read OTP command (0x4B) with valid address; write access is permanently disabled after first programming, ensuring immutability of stored keys or calibration values.
S25FS128SDSMFI1D3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FS-S
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- 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
- Clock Frequency:
- 80 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-SOIC
S25FS128SDSMFI1D3 FAQ
1.How can I place an order for S25FS128SDSMFI1D3 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FS128SDSMFI1D3 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 S25FS128SDSMFI1D3 reliable?
The price and inventory of S25FS128SDSMFI1D3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FS128SDSMFI1D3 is usually 5 days.
3.What payment methods are accepted for S25FS128SDSMFI1D3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FS128SDSMFI1D3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FS128SDSMFI1D3?
S25FS128SDSMFI1D3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FS128SDSMFI1D3 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 S25FS128SDSMFI1D3?
For technical support, including S25FS128SDSMFI1D3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FS128SDSMFI1D3 requirements.
6.How does Aetrix verify that S25FS128SDSMFI1D3 is sourced from the original manufacturer or authorized distributors?
All S25FS128SDSMFI1D3 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 S25FS128SDSMFI1D3 meets industry standards.
7.What is the process for return or replacement of S25FS128SDSMFI1D3?
All S25FS128SDSMFI1D3 units undergo pre-shipment inspection (PSI). If there is an issue with S25FS128SDSMFI1D3, 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 S25FS128SDSMFI1D3 part is unused and in its original packaging.
Return procedure for S25FS128SDSMFI1D3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S25FS128SDSMFI1D3 Tags
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