Infineon Technologies S29GL01GS11TFV020

Overview

S29GL01GS11TFV020 from Infineon is a 1 Gb (128 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 integrates hardware ECC for single-bit error correction, 128 kB uniform sector erase, and a 512-byte write buffer-enabling fast embedded code storage and XIP execution in automotive instrument clusters and industrial PLCs.

For engineers reviewing the S29GL01GS11TFV020 datasheet, S29GL01GS11TFV020 pinout, S29GL01GS11TFV020 application, or S29GL01GS11TFV020 equivalent, key selection criteria include its Versatile I/O (1.65–3.6 V), AEC-Q100 Grade 2 qualification (–40°C to +105°C), 100,000 program/erase cycles, and support for suspend/resume during programming and erase operations.

Technical Context

This device implements an asynchronous parallel interface with word-aligned addressing (A0–A25), supports both full-VCC and Versatile I/O voltage modes, and uses MIRRORBIT™ Eclipse 65 nm technology to enable high-density non-volatile storage without external ECC logic. Its embedded algorithm controller handles all program/erase sequences autonomously.

The architecture includes dedicated status register, data polling, and RY/BY# pin for real-time operation monitoring; it also features a 1024-byte OTP array with dual lockable regions and Common Flash Interface (CFI) compliance for host software compatibility.

Key Specifications

Pinout & Package

Package: 64-ball LAE Fortified BGA (9 mm × 9 mm, 0.8 mm pitch). Pinout validated per Infineon datasheet 001-98285 Rev. *U, Section 12.2.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL01GS11TFV020, the S29GL01GS11TFI020 trades automotive qualification for lower cost and different packaging, while MX29GL128FPTI-90G offers reduced density and no ECC-making both unsuitable as drop-in replacements where AEC-Q100 compliance or hardware error correction is mandatory.

Availability

S29GL01GS11TFV020 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLC firmware storage, and avionics display systems requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S29GL01GS11TFV020 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 ICs, and memory solutions, with global R&D and manufacturing infrastructure.

The GL-S family targets high-reliability embedded systems needing XIP-capable, high-density parallel NOR flash with automotive-grade qualification and integrated data integrity features.

FAQ

What is the purpose of the Versatile I/O (VIO) feature in S29GL01GS11TFV020?

The Versatile I/O feature allows independent voltage supply (1.65 V to VCC) for the DQ0–DQ15 data bus, enabling seamless interfacing with mixed-voltage SoCs or FPGAs without level shifters. It supports both full-VCC and reduced-I/O voltage modes, maintaining signal integrity and timing margins across diverse host platforms while reducing system-level BOM cost.

Does S29GL01GS11TFV020 support true byte-level writes?

No. S29GL01GS11TFV020 operates exclusively on 16-bit word boundaries (DQ0–DQ15), with no native byte-write capability. All program operations target full words; partial-word updates require read-modify-write sequences handled by host firmware. The device does not support byte-select signals or individual byte masking in hardware.

How is sector protection implemented, and can it be changed in-system?

Sector protection is implemented via Advanced Sector Protection (ASP), supporting both volatile (power-on reset clears) and non-volatile (permanent until unlocked) locking per 128 kB sector. Unlocking requires specific command sequences and WP# pin state verification. Once set non-volatile, protection persists through power cycles and cannot be altered without explicit unlock commands and correct timing.

What role does the Ready/Busy# (RY/BY#) pin play during embedded operations?

RY/BY# is an open-drain status output that goes low during any embedded operation (program, erase, or buffer write) and returns high upon completion. It provides hardware-synchronized readiness detection, eliminating the need for continuous status register polling and enabling precise timing control in interrupt-driven or DMA-based firmware architectures.