Infineon Technologies S29GL256P90FFIR12

Overview

S29GL256P90FFIR12 from Cypress Semiconductor is a 256 Mbit (32 MB), single-supply 3.0 V page-mode NOR Flash memory fabricated on 90 nm MirrorBit process technology. It delivers 90 ns random access time, 25 ns page access time, and features a 32-word/64-byte write buffer for accelerated multi-word programming-ideal for boot code storage and firmware updates in industrial control systems.

For engineers reviewing the S29GL256P90FFIR12 datasheet, S29GL256P90FFIR12 pinout, S29GL256P90FFIR12 application, or S29GL256P90FFIR12 equivalent, key selection criteria include uniform 64 Kword sector architecture (256 sectors), 100,000 erase cycles per sector, 20-year data retention, VersatileI/O™ support (VIO = 1.65–VCC), and CFI-compliant interface for host system compatibility.

Technical Context

This device operates in word (16-bit) or byte (8-bit) configuration via BYTE# input, with address range A23–A0 (24-bit addressing). Its embedded algorithms support suspend/resume during program/erase, and status reporting via RY/BY# and internal status bits.

Power management includes automatic sleep mode, standby current of 1 µA, and hardware reset (RESET#) for safe recovery. Protection mechanisms include persistent sector lock bits, password-based Advanced Sector Protection, and WP#/ACC pin for factory/custodial acceleration and outermost sector write protection.

Key Specifications

Pinout & Package

Package: 64-ball Fortified BGA (LAA064), 11 mm × 13 mm, 1.0 mm pitch, Pb-free (F), Industrial temperature grade (I).

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL256S90TFI01 and MX29GL256FHI-90G, the S29GL256P90FFIR12 uniquely combines BGA miniaturization, factory-programmable serial number, and dual-voltage I/O flexibility-making it optimal for space-constrained, security-aware, and mixed-voltage industrial designs.

Availability

S29GL256P90FFIR12 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive infotainment boot memory, and medical imaging system configuration requiring stable component supply across extended product lifecycles.

Supply support for S29GL256P90FFIR12 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

Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in high-performance memory, microcontrollers, and connectivity solutions for industrial, automotive, and consumer applications.

The S29GL-P series was designed specifically for embedded systems requiring reliable, high-speed, and secure code storage-emphasizing long-term data integrity, sector-level protection, and seamless integration with ARM and Power Architecture boot loaders.

FAQ

What is the function of the VIO pin on the S29GL256P90FFIR12?

The VIO pin sets the input/output voltage reference for all address, control, and data signals (A0–A23, CE#, OE#, WE#, DQ0–DQ15). It operates from 1.65 V to VCC, enabling interoperability with 1.8 V or 3.3 V host processors without level shifters-critical for mixed-voltage SoC interfaces.

Does the S29GL256P90FFIR12 support execute-in-place (XIP) operation?

Yes. With 90 ns random access time and full JEDEC-compatible asynchronous read timing, the device supports XIP directly from the memory-mapped address space of ARM Cortex-M or RISC-V microcontrollers-eliminating need for RAM copy before execution in boot-critical paths.

How is sector protection implemented on this device?

Sector protection uses two independent methods: persistent lock bits (hardware-set, nonvolatile) and password-based software protection. The WP#/ACC pin provides additional hardware-level locking of the top or bottom sector, and the Secured Silicon Sector can be permanently locked to prevent tampering with serial number or calibration data.

Can the S29GL256P90FFIR12 be used in place of older S29GL256N devices?

No direct drop-in replacement: S29GL256P uses 90 nm MirrorBit process with enhanced VersatileI/O and updated CFI structure, while S29GL256N is 110 nm with different AC timing and no VIO pin. Migration requires validation of timing margins, driver updates for new protection commands, and PCB layout review for BGA vs. TSOP mechanical fit.