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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Infineon Technologies S29GL128S90TFA020

Name: S29GL128S90TFA020
Brand: Infineon Technologies
SKU: S29GL128S90TFA020
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S29GL128S90TFA020

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 56-TFSOP (0.724", 18.40mm Width)

Datasheet:: S29GL128S90TFA020.pdf

Description:: IC FLASH 128MBIT PARALLEL 56TSOP

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Product details

Overview

S29GL128S90TFA020 from Infineon is a 128 Mb (16 MB), ×16 asynchronous parallel NOR flash memory with 3.0 V core supply, 90 ns random access time, 15 ns page access time, and integrated hardware ECC for single-bit error correction. It features a 512-byte write buffer, uniform 128-kbyte sectors, and operates across industrial temperature range (–40°C to +85°C) in 56-pin TSOP package - deployed in boot code storage for industrial HMIs and network edge controllers.

For engineers reviewing the S29GL128S90TFA020 datasheet, S29GL128S90TFA020 pinout, S29GL128S90TFA020 application, or S29GL128S90TFA020 equivalent, this device supports XIP-capable firmware execution, sector-level erase suspend/resume, versatile I/O (1.65 V–VCC), CFI-compliant identification, and OTP array for secure configuration storage.

Technical Context

The S29GL128S90TFA020 implements an asynchronous parallel interface with word-aligned addressing (A0–A22), supporting both random and page-mode reads. Its embedded algorithm controller (EAC) manages program/erase operations autonomously, including automatic ECC generation and verification during write cycles.

It uses 65 nm MIRRORBIT™ Eclipse technology with dual-bit-per-cell storage, enabling high density without sacrificing endurance (100,000 cycles) or data retention (20 years). The device supports three status monitoring methods: status register polling, data polling, and RY/BY# pin assertion.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	128 Mb (16 MB), organized as 1,048,576 × 16-bit words - sufficient for full bootloader + firmware image in resource-constrained embedded systems.
Access Time (Random)	90 ns at VCC = VIO - enables direct XIP execution from flash without external cache in microcontroller-based designs.
Page Access Time	15 ns - accelerates sequential instruction fetch within 32-byte aligned pages, reducing effective read latency during burst code execution.
Write Buffer Size	512 bytes (256 words) - allows single-command programming of up to one full page, cutting host CPU overhead vs. byte/word-by-word writes.
ECC Support	On-die hardware single-bit error correction - eliminates need for external ECC logic or software correction in safety-critical boot memory applications.
Sector Erase Unit	Uniform 128 kbyte sectors - simplifies firmware update partitioning and enables atomic field-upgrade of functional modules.
Operating Voltage	VCC = 2.7 V to 3.6 V; VIO = 1.65 V to VCC - supports mixed-voltage SoC interfacing (e.g., 1.8 V I/O with 3.3 V core) without level shifters.
Endurance & Retention	100,000 program/erase cycles; 20-year data retention - validated for industrial control systems requiring long-term field reliability without refresh.

Pinout & Package

Package: 56-pin Thin Small Outline Package (TSOP), Type I, 14 mm × 20 mm, 0.5 mm pitch, JEDEC MO-141AC compliant.

Pin/Terminal	Circuit Role	Design Meaning
A0–A22	Address Inputs	Word-aligned address bus (23 bits); A22 is MSB for 128 Mb density - defines 1,048,576-word address space.
DQ0–DQ15	Data Input/Output	16-bit bidirectional data bus; supports true read-modify-write and byte masking via upper/lower byte enables (not present - full word only).
CE#	Chip Enable	Active-low enable controlling device selection; tCE = 90 ns max - critical timing parameter for bus arbitration in multi-device systems.
OE#	Output Enable	Active-low control for output drivers; tOE = 25 ns max - determines minimum read cycle time when sharing data bus with other peripherals.
WE#	Write Enable	Active-low strobe for write operations; initiates internal program/erase algorithms when combined with command sequences on DQ lines.
RY/BY#	Ready/Busy Output	Open-drain status indicator; low during embedded operations - enables hardware wait-state insertion without polling overhead.
RESET#	Hardware Reset	Active-low asynchronous reset that aborts ongoing program/erase and returns device to read mode - required for recovery after power brownout.
WP#	Write Protect	Hardware sector protection enable; when asserted, prevents accidental program/erase of protected sectors - used for boot-block locking.

Key Features

Feature	Design Value
Asynchronous Page Read	32-byte aligned page access with 15 ns intra-page access - reduces instruction fetch latency in XIP applications by >80% vs. random access.
Embedded Algorithm Controller (EAC)	Self-contained state machine executing program/erase without host intervention - frees MCU resources during firmware updates.
Advanced Sector Protection (ASP)	Volatile and non-volatile lock bits per 128-kbyte sector - enables runtime reconfiguration of protected regions and permanent factory lockdown.
One-Time Programmable (OTP) Array	1024-byte dedicated region with two lockable sections - stores immutable keys, calibration data, or device-specific identifiers resistant to field overwrite.
Common Flash Interface (CFI)	Standardized parameter table accessible via command sequence - enables OS/driver auto-detection and eliminates hard-coded memory geometry assumptions.
Suspend/Resume Commands	Pause active program or erase to service higher-priority read requests - guarantees deterministic response time in real-time HMI and control tasks.

Applications

Industrial HMI Boot Memory

Network Edge Router Firmware Storage

Use Scenario: Stores boot loader and Linux kernel image in fanless industrial panel PCs operating continuously in factory environments.

IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP capability; provides deterministic 90 ns read access to initialize ARM Cortex-A series processors.

Use Value: Eliminates need for external SRAM cache; 20-year data retention ensures firmware integrity over equipment lifetime without maintenance.

Use Scenario: Holds firmware and configuration tables in carrier-grade Ethernet switches deployed in telecom central offices.

IC Role / Device Role / Timing Role: Dual-role memory: executes boot code and stores runtime packet classification rules updated via CLI or NETCONF.

Use Value: Sector erase suspend/resume allows background firmware validation while maintaining line-rate forwarding performance.

Automotive ADAS Camera Module

Medical Imaging Device Calibration Storage

Use Scenario: Stores camera ISP firmware and sensor calibration parameters in AEC-Q100 Grade 2 (–40°C to +105°C) automotive vision systems.

IC Role / Device Role / Timing Role: Secure boot memory with OTP-locked calibration data; interfaces directly to TI TDA4VM SoC via parallel EMIF.

Use Value: Hardware ECC and 100K-cycle endurance ensure reliable operation under thermal cycling and EMI stress in vehicle cabins.

Use Scenario: Retains gamma correction LUTs and sensor offset coefficients in portable ultrasound scanners requiring FDA-compliant traceability.

IC Role / Device Role / Timing Role: Tamper-resistant configuration store; OTP array holds cryptographically signed calibration records verified at power-on.

Use Value: Non-volatile, lockable 1024-byte OTP region meets IEC 62304 software safety requirements for Class C medical devices.

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
S29GL128P90TFI020	Same density and timing, but lacks hardware ECC and OTP array; uses older 90 nm process.	Suitable for cost-sensitive consumer electronics where ECC is handled in software and calibration data is stored externally.	Select when BOM cost reduction outweighs long-term reliability and security requirements.
MX29GL128FPTI-90G	128 Mb, 90 ns, no built-in ECC; requires external error detection; different command set and CFI layout.	Used in legacy industrial PLCs with existing Macronix driver stacks; not drop-in compatible due to status register bit mapping differences.	Choose only when migrating from existing Macronix-based designs with minimal firmware changes.

Compared with S29GL128P90TFI020 and MX29GL128FPTI-90G, the S29GL128S90TFA020 delivers differentiated value through on-die ECC, OTP security, and suspend/resume - making it optimal for safety-aware, long-lifecycle embedded systems where field failure risk must be minimized.

Availability

S29GL128S90TFA020 is available at Aetrix Electronics and suitable for industrial HMI boot memory, network edge router firmware storage, and automotive ADAS camera module applications requiring stable component supply across extended product lifecycles.

Supply support for S29GL128S90TFA020 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 automotive markets.

The GL-S family targets embedded systems needing robust, high-density parallel NOR flash with XIP support, ECC, and automotive qualification - designed specifically for boot code, firmware, and secure configuration storage in harsh environments.

FAQ

Does S29GL128S90TFA020 support execute-in-place (XIP) operation?

Yes. The device supports true XIP operation with 90 ns random access time and 15 ns page-mode reads, enabling direct instruction execution from flash without copying to RAM. Its asynchronous interface and word-aligned addressing align with ARM and RISC-V processor boot requirements, and the embedded algorithm controller ensures deterministic timing during background operations.

What is the function of the RY/BY# pin, and how should it be used in system design?

RY/BY# is an open-drain ready/busy status output that asserts low during program, erase, or suspend operations. It must be pulled up externally (typically 4.7 kΩ to VIO) and connected to an interrupt or wait-state generator. Using RY/BY# avoids software polling overhead and guarantees precise timing control for real-time systems requiring guaranteed response windows.

How does the Versatile I/O (VIO) feature impact interface design with modern SoCs?

VIO supports 1.65 V to VCC operation, allowing direct connection to 1.8 V or 2.5 V I/O domains of SoCs like NXP i.MX or Microchip SAM9 without level shifters. This reduces BOM count and signal integrity risk, especially in high-speed parallel buses where impedance matching and skew control are critical for reliable 90 ns access timing.

Can the OTP array be reprogrammed after initial programming?

No. The 1024-byte OTP array has two independently lockable regions; once a region is locked (via dedicated command sequence), its contents become permanently immutable. This ensures cryptographic keys or calibration data cannot be altered in the field, meeting IEC 62304 and ISO 26262 functional safety requirements for medical and automotive applications.

S29GL128S90TFA020 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:: 128Mbit

Memory Organization:: 8M 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

S29GL128S90TFA020 FAQ

1.How can I place an order for S29GL128S90TFA020 through Aetrix?

Please submit a Request for Quotation (RFQ) for S29GL128S90TFA020 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 S29GL128S90TFA020 reliable?

The price and inventory of S29GL128S90TFA020 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S29GL128S90TFA020 is usually 5 days.

3.What payment methods are accepted for S29GL128S90TFA020?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S29GL128S90TFA020 transactions.

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4.How is shipping managed for S29GL128S90TFA020?

S29GL128S90TFA020 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S29GL128S90TFA020 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 S29GL128S90TFA020?

For technical support, including S29GL128S90TFA020 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S29GL128S90TFA020 requirements.

6.How does Aetrix verify that S29GL128S90TFA020 is sourced from the original manufacturer or authorized distributors?

All S29GL128S90TFA020 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 S29GL128S90TFA020 meets industry standards.

7.What is the process for return or replacement of S29GL128S90TFA020?

All S29GL128S90TFA020 units undergo pre-shipment inspection (PSI). If there is an issue with S29GL128S90TFA020, 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 S29GL128S90TFA020 part is unused and in its original packaging.

Return procedure for S29GL128S90TFA020:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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