Infineon Technologies S29GL032N90TFI013

Overview

S29GL032N90TFI013 from Infineon Technologies (formerly Cypress) is a 32-Mbit, 16-bit-wide single-power-supply MirrorBit Flash memory IC with 90 ns access time, 64 KB uniform sector architecture, and Secured Silicon Sector for factory-programmed electronic serial number. It operates from a 3.0 V supply, supports JEDEC-compliant command set, and is used in embedded boot code storage for industrial controllers and network edge devices.

For engineers reviewing the S29GL032N90TFI013 datasheet, S29GL032N90TFI013 pinout, S29GL032N90TFI013 application, or S29GL032N90TFI013 equivalent, key selection criteria include uniform 64 KB sector count (64 sectors), 1 µA standby current, hardware reset (RESET#) and ready/busy (RY/BY#) signaling, and VIO-controlled I/O voltage range (1.65–3.6 V).

Technical Context

This device implements a NOR Flash architecture with hot-electron injection programming and hot-hole assisted erase, enabling byte/word-level random read and sector-erase granularity. It features dual-bus operation via BYTE# input to support 8-bit or 16-bit data width, and uses command-latched write cycles for erase and program operations without external address/data latching.

The CFI (Common Flash Interface) table is stored in dedicated ROM space and enables host systems to auto-detect device geometry, timing, and protection features. Erase suspend/resume and program suspend/resume allow concurrent background operations across non-overlapping sectors, critical for real-time firmware updates in safety-critical applications.

Key Specifications

Pinout & Package

Package: 48-pin TSOP (Type I, standard thin small outline package, 12 × 20 mm body, 0.5 mm pitch).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Flash memory applications.

Compared with S29GL032N90TFI013, the BGA variant offers superior thermal performance and layout density but requires different PCB tooling, while the Micron part sacrifices security and interoperability features to reduce BOM cost in non-critical applications.

Availability

S29GL032N90TFI013 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, telecom base station boot memory, and medical imaging system BIOS requiring stable component supply across long-life product programs.

Supply support for S29GL032N90TFI013 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 leader specializing in power management, automotive ICs, and secure microcontrollers, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.

The S29GL-N family was developed by Cypress (acquired by Infineon in 2020) to deliver high-reliability, software-compatible NOR Flash for mission-critical boot and firmware storage in industrial and communications infrastructure.

FAQ

What is the function of the VIO pin on S29GL032N90TFI013?

VIO sets the input voltage thresholds and output drive levels for all address, control, and data pins. With VIO ranging from 1.65 V to 3.6 V, it enables direct interfacing with 1.8 V or 3.3 V microcontrollers without level shifters. The pin must be externally tied to a stable voltage rail matching the host system's I/O domain - floating or unstable VIO causes undefined behavior and potential bus contention.

Does S29GL032N90TFI013 support both 8-bit and 16-bit data bus widths?

Yes - the BYTE# pin selects data bus width: logic low configures DQ0–DQ15 as a full 16-bit bus; logic high disables DQ8–DQ15 and enables only DQ0–DQ7 as an 8-bit bus. This dual-mode capability allows reuse of the same flash device across multiple controller platforms without redesigning the PCB layout or changing firmware drivers.

How is the Secured Silicon Sector protected and accessed?

The Secured Silicon Sector is a 256-byte region pre-programmed with a unique 16-byte electronic serial number and locked at the factory or by the customer using a dedicated command sequence. Access requires issuing the Enter Secured Silicon Sector command followed by standard read commands; write/erase is permanently disabled once locked. Unlocking requires a specific 6-cycle unlock sequence and is irreversible in factory-locked units.

Can S29GL032N90TFI013 be used in systems requiring functional safety certification?

While not ASIL-certified itself, S29GL032N90TFI013 supports functional safety architectures through features like hardware RESET# integration, deterministic RY/BY# status signaling, 20-year data retention at 85°C, and persistent sector protection - all documented in Infineon's safety manual for the S29GL-N family. Customers must perform system-level FMEDA and integrate the device per ISO 26262 Part 5 guidelines for use in ASIL-B contexts.