Infineon Technologies S29GL128S11FHVV23

Overview

S29GL128S11FHVV23 from Infineon is a 128 Mb (16 MB) parallel NOR flash memory IC with 16-bit data bus, fabricated on 65 nm MIRRORBIT™ Eclipse process. It operates from a single 2.7–3.6 V supply, delivers 90 ns random access time and 15 ns page access time, and integrates hardware ECC for single-bit error correction. It is used in boot code storage for industrial microcontrollers requiring fast XIP execution and reliable non-volatile program retention.

For engineers reviewing the S29GL128S11FHVV23 datasheet, S29GL128S11FHVV23 pinout, S29GL128S11FHVV23 application, or S29GL128S11FHVV23 equivalent, key selection criteria include its 128-kbyte uniform sector erase granularity, 512-byte write buffer throughput (1.5 MBps), Versatile I/O support (1.65–3.6 V), OTP array for secure configuration, and AEC-Q100 Grade 2 qualification (–40°C to +105°C).

Technical Context

This device implements an asynchronous parallel interface with word-aligned addressing (A0–A22), supporting both standard and page-mode reads. Its embedded algorithm controller handles autonomous program/erase operations, status monitoring via RY/BY# pin or status register, and suspend/resume capability during active programming or erasing.

The internal architecture includes a 32-byte page read buffer, 128-kbyte uniform sector layout, dedicated 1024-byte OTP array with dual lockable regions, and Common Flash Interface (CFI) compliance for host software identification and configuration. ECC logic operates transparently during read cycles without CPU intervention.

Key Specifications

Pinout & Package

Package: 56-ball VBU Fortified BGA (9 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar parallel NOR flash memory applications.

Compared with S29GL128S10TFIV20, this VBU BGA variant offers superior thermal performance and smaller footprint for space-constrained automotive modules; versus N25Q128A13ESE40F, it provides deterministic timing, native ECC, and OTP security-critical for safety-certified boot paths.

Availability

S29GL128S11FHVV23 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging system BIOS requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S29GL128S11FHVV23 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 electronics, and memory solutions, with global R&D and manufacturing infrastructure.

The GL-S family targets high-reliability embedded systems needing fast, secure, and long-life parallel NOR flash for boot code and firmware storage in harsh environments.

FAQ

Does S29GL128S11FHVV23 support execute-in-place (XIP) operation?

Yes. The device supports true XIP operation due to its asynchronous parallel interface and 90 ns random access time, enabling microcontrollers to fetch instructions directly from flash without copying to RAM. Page-mode reads further accelerate sequential execution within 32-byte boundaries, and CFI compliance allows automatic configuration by host boot ROM.

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

The RY/BY# pin is an open-drain ready/busy status output that goes low during embedded program or erase operations and returns high upon completion. It enables hardware polling without CPU intervention and can be wired to an interrupt input for event-driven flow control. Its use eliminates the need for continuous status register reads, reducing bus contention and improving system responsiveness during firmware updates.

How does the Versatile I/O feature benefit mixed-voltage system integration?

Versatile I/O allows independent VIO supply (1.65–3.6 V) separate from VCC (2.7–3.6 V), enabling direct interfacing with 1.8 V, 2.5 V, or 3.3 V logic families without level shifters. This simplifies PCB routing, reduces BOM count, and improves signal integrity in heterogeneous SoC designs-especially critical in automotive ECUs where multiple voltage domains coexist.

Can the 1024-byte OTP array be used for storing cryptographic keys in secure boot implementations?

Yes. The OTP array is divided into two independently lockable 512-byte regions, each programmable once and permanently secured via fuse-based locking. This supports separation of public boot code metadata and private cryptographic keys, meeting requirements for secure boot chains in industrial and automotive applications where tamper resistance and immutability are mandatory.