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Infineon Technologies S29GL256S90TFI020
- Part No.:
- S29GL256S90TFI020
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 56-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
S29GL256S90TFI020.pdf
- Description:
- IC FLASH 256MBIT PARALLEL 56TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:785
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Product details
Overview
S29GL256S90TFI020 from Infineon is a 256 Mb (32 MB) parallel NOR flash memory IC with 16-bit data bus, 3.0 V core supply (2.7–3.6 V), 90 ns random access time, and 15 ns page access time. It features internal hardware ECC for single-bit error correction, 128-kbyte uniform sector erase, and a 512-byte programming buffer-enabling fast embedded code storage in automotive instrument clusters and industrial PLC firmware.
For engineers reviewing the S29GL256S90TFI020 datasheet, S29GL256S90TFI020 pinout, S29GL256S90TFI020 application, or S29GL256S90TFI020 equivalent, this device supports asynchronous XIP-capable read, Versatile I/O (1.65–VCC), suspend/resume during program/erase, and AEC-Q100 Grade 3 operation (–40°C to +85°C) for safety-critical firmware storage.
Technical Context
This device implements MIRRORBIT™ Eclipse architecture on 65 nm process, enabling dual-bit-per-cell storage without compromising reliability. Its embedded algorithm controller (EAC) handles autonomous sector erase and buffer programming, while status register, data polling, and RY/BY# pin provide three independent methods for operation status monitoring.
The 32-byte page-aligned read architecture delivers 15 ns intra-page access, and the 512-byte write buffer enables up to 1.5 MBps effective programming throughput. Sector protection includes volatile/non-volatile lock bits per 128-kbyte sector plus a separate 1024-byte OTP array with two lockable regions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 256 Mb (32 MB); supports full firmware image storage for mid-tier microcontrollers |
| Random Access Time | 90 ns at VCC = VIO; enables real-time XIP execution in safety-critical boot code |
| Page Access Time | 15 ns; accelerates sequential instruction fetch within 32-byte aligned pages |
| Programming Buffer | 512 bytes; reduces average programming time by batching up to 256 words per command |
| ECC Support | Internal hardware single-bit error correction; eliminates need for external ECC logic in host MCU |
| Endurance | 100,000 program/erase cycles; suitable for field-updatable firmware with frequent OTA patches |
| Data Retention | 20 years at +85°C; ensures long-term reliability in unpowered automotive ECUs |
Pinout & Package
Package: 56-pin TSOP (Thin Small Outline Package), 14 mm × 20 mm, standard JEDEC MO-141B footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A22 | Address Inputs | 23-bit address bus supporting 8-Mword (256 Mb) addressing; A22 is MSB |
| DQ0–DQ15 | Data I/O | 16-bit bidirectional data bus; operates at VIO (1.65–VCC) for mixed-voltage system interfacing |
| CE# | Chip Enable | Active-low chip select; controls device power state and enables multi-chip memory expansion |
| OE# | Output Enable | Active-low read strobe; gates output drivers to prevent bus contention during shared-memory access |
| WE# | Write Enable | Active-low control for write operations; latches address/data on rising edge for command execution |
| RY/BY# | Ready/Busy Output | Open-drain status indicator; low = operation in progress, high = ready for next command |
| RESET# | Hardware Reset | Active-low asynchronous reset; forces device into known state and aborts ongoing erase/program |
Key Features
| Feature | Design Value |
|---|---|
| Versatile I/O (VIO) | Supports 1.65 V to VCC I/O voltage-enables direct interface with 1.8 V, 2.5 V, or 3.3 V host processors without level shifters |
| Page Mode Read | 32-byte aligned page access with 15 ns intra-page timing-optimizes instruction fetch bandwidth in XIP applications |
| Suspend/Resume | Interrupts active program or erase to service higher-priority reads-critical for real-time OS interrupt handling |
| Advanced Sector Protection | Volatile and non-volatile lock bits per 128-kbyte sector-allows secure bootloader partitioning and field update isolation |
| Common Flash Interface (CFI) | Standardized parameter table accessible via read commands-enables automatic driver configuration across toolchains and OS loaders |
Applications
| Automotive Instrument Cluster | Industrial PLC Firmware Storage |
|---|---|
Use Scenario: Storing calibrated gauge graphics, CAN message lookup tables, and boot firmware in digital dashboards. IC Role / Device Role / Timing Role: Non-volatile XIP-capable code and data storage with AEC-Q100 Grade 3 qualification. Use Value: 90 ns random access enables deterministic boot timing; 20-year retention ensures lifetime calibration integrity without backup power. | Use Scenario: Holding ladder logic runtime images, configuration parameters, and firmware updates in modular control cabinets. IC Role / Device Role / Timing Role: High-reliability parallel flash for deterministic firmware load and field patching over RS-485/Ethernet. Use Value: 100,000 erase cycles support frequent firmware revisions; sector protection isolates bootloader from user application partitions. |
| Medical Diagnostic Display Bootloader | Avionics Data Logger Configuration |
Use Scenario: Securely storing certified bootloader code and UI assets in FDA-class II imaging systems. IC Role / Device Role / Timing Role: Trusted firmware root-of-trust storage with hardware ECC and OTP lockable regions. Use Value: Internal single-bit ECC prevents silent corruption of boot code; OTP array stores cryptographic keys with permanent lock capability. | Use Scenario: Retaining flight parameter mapping tables, sensor calibration coefficients, and fault history logs in DO-178C-compliant recorders. IC Role / Device Role / Timing Role: Radiation-tolerant (tested per AEC-Q100) non-volatile storage for mission-critical configuration data. Use Value: 128-kbyte uniform sectors simplify wear leveling in cyclic logging; –40°C to +105°C grade 2 option supports extended temperature avionics bays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar parallel NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S29GL256P90TFI020 | Same density and timing, but uses older 90 nm process; no Versatile I/O (VIO fixed at VCC) | Lacks mixed-voltage interface flexibility; requires external level shifting in 1.8 V host designs | Select only when legacy compatibility or cost sensitivity outweighs I/O voltage flexibility |
| MX29GL256FPTI-90G | Macronix 256 Mb parallel NOR; 90 ns access, but no internal ECC or suspend/resume commands | Requires host-side ECC implementation and software-managed erase interruption | Choose where BOM cost is primary constraint and host MCU has spare processing headroom for ECC |
Compared with S29GL256P90TFI020, this part adds Versatile I/O and ECC; compared with MX29GL256FPTI-90G, it integrates critical reliability features-making it optimal for safety-certified firmware storage where host resource constraints exist.
Availability
S29GL256S90TFI020 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLC firmware storage, medical diagnostic display bootloaders, and avionics data logger configuration requiring stable component supply across extended product lifecycles.
Supply support for S29GL256S90TFI020 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, automotive MCUs, and high-reliability memory solutions for industrial and safety-critical applications.
The GL-S family targets automotive and industrial embedded systems requiring deterministic XIP performance, long-term data retention, and AEC-Q100 compliance-designed specifically for firmware storage in ECUs, HMIs, and programmable logic controllers.
FAQ
What is the maximum operating temperature range for S29GL256S90TFI020?
The S29GL256S90TFI020 is rated for Industrial Plus operation from –40°C to +105°C. This grade meets AEC-Q100 Grade 2 requirements and is validated for use in under-hood automotive modules and high-temperature industrial enclosures where thermal derating is critical.
Does this device support true XIP (execute-in-place) operation?
Yes-S29GL256S90TFI020 supports true asynchronous XIP with 90 ns random access and 15 ns page-mode timing. Its architecture allows direct CPU instruction fetch from flash without copying to RAM, verified by Infineon's GL-S family application notes for ARM Cortex-M and Power Architecture derivatives.
How does the 512-byte programming buffer improve effective write speed?
The 512-byte buffer enables single-command programming of up to 256 words, achieving 1.5 MBps throughput-up to 3× faster than byte-by-byte programming. This reduces host CPU overhead and minimizes bus occupancy during firmware updates, especially beneficial in resource-constrained microcontroller environments.
Can the OTP array be used for cryptographic key storage?
Yes-the 1024-byte OTP array includes two independently lockable regions. Once locked, contents are permanently read-only and immune to erase commands. Infineon documentation confirms its use for storing RSA/ECC private keys and secure boot certificates in certified bootloader implementations.
S29GL256S90TFI020 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- GL-S
- Package/Case:
- 56-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 256Mbit
- Memory Organization:
- 16M x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 60ns
- Access Time:
- 90 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-TSOP
S29GL256S90TFI020 FAQ
1.How can I place an order for S29GL256S90TFI020 through Aetrix?
Please submit a Request for Quotation (RFQ) for S29GL256S90TFI020 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 S29GL256S90TFI020 reliable?
The price and inventory of S29GL256S90TFI020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29GL256S90TFI020 is usually 5 days.
3.What payment methods are accepted for S29GL256S90TFI020?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29GL256S90TFI020 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S29GL256S90TFI020?
S29GL256S90TFI020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S29GL256S90TFI020 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 S29GL256S90TFI020?
For technical support, including S29GL256S90TFI020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29GL256S90TFI020 requirements.
6.How does Aetrix verify that S29GL256S90TFI020 is sourced from the original manufacturer or authorized distributors?
All S29GL256S90TFI020 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 S29GL256S90TFI020 meets industry standards.
7.What is the process for return or replacement of S29GL256S90TFI020?
All S29GL256S90TFI020 units undergo pre-shipment inspection (PSI). If there is an issue with S29GL256S90TFI020, 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 S29GL256S90TFI020 part is unused and in its original packaging.
Return procedure for S29GL256S90TFI020:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S29GL256S90TFI020 Tags
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M24C02-WMN6TP
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