Infineon Technologies S29GL256P10FFI010

Overview

S29GL256P10FFI010 from Cypress Semiconductor is a 256 Mbit (32 MB), 3.0 V-only Page Mode Flash memory IC fabricated on 90 nm MirrorBit process technology. It delivers 100 ns random access time and 25 ns page access time, features a 32-word/64-byte write buffer, uniform 64 Kword sectors (256 total), and supports CFI for host compatibility - deployed in industrial embedded systems requiring nonvolatile program storage with sector-level protection.

For engineers reviewing the S29GL256P10FFI010 datasheet, S29GL256P10FFI010 pinout, S29GL256P10FFI010 application, or S29GL256P10FFI010 equivalent, key selection criteria include VIO-compatible I/O voltage scaling (1.65–VCC), WP#/ACC acceleration support, Secured Silicon Sector with factory-programmable ESN, suspend/resume capability for real-time firmware updates, and industrial temperature operation (–40°C to +85°C).

Technical Context

This device implements a synchronous command-set architecture with VersatileI/O™ control: all address, control, and data I/O levels are referenced to VIO (1.65–VCC), enabling interoperability with mixed-voltage SoCs. Its block diagram integrates X/Y decoders, erase/PGM voltage generators, state control logic, and command register sequencing - supporting both byte and word configurations via BYTE# input.

It uses uniform 64 Kword (128 KB) sector erase architecture with 100,000 erase cycles per sector and 20-year data retention. Programming leverages Unlock Bypass mode (activated by WP#/ACC at VHH) and status bits (RY/BY# output) for precise operation monitoring - critical for deterministic boot code and field-upgradable firmware in safety-aware systems.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL256S10TFI010, this BGA variant offers superior mechanical stability and higher I/O density; versus MX29GL256FHT2I-10G, it provides hardware-enforced security features essential for certified firmware deployments.

Availability

S29GL256P10FFI010 is available at Aetrix Electronics and suitable for industrial PLCs, automotive infotainment systems, and smart energy meters requiring stable component supply, long-term lifecycle support, and guaranteed Pb-free compliance.

Supply support for S29GL256P10FFI010 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) designs high-reliability nonvolatile memory and programmable system-on-chip solutions for industrial, automotive, and communications markets.

This device belongs to the S29GL-P MirrorBit® Page Flash product line, engineered specifically for embedded systems needing deterministic boot performance, sector-level firmware protection, and mixed-voltage interoperability in extended temperature environments.

FAQ

What is the function of the VIO pin on S29GL256P10FFI010?

VIO sets the voltage reference for all input and output signal thresholds - including address, control, and DQ lines. It operates from 1.65 V to VCC (2.7–3.6 V), enabling direct interfacing with 1.8 V or 3.3 V host processors without external level shifters. This decouples I/O signaling from core VCC, improving noise immunity and design flexibility in mixed-voltage systems.

Does S29GL256P10FFI010 support true suspend/resume during erase operations?

Yes - it supports full suspend/resume for both program and erase operations. When a suspend command is issued, the device halts the current algorithm, places RY/BY# in ready state, and allows immediate read access to any non-locked sector. Resume restores the suspended operation without data loss. This is verified in Section 7.8 of the datasheet and is used in real-time systems to prioritize urgent reads over background firmware updates.

How is the Secured Silicon Sector protected after factory programming?

After factory programming, the Secured Silicon Sector is permanently locked using dedicated lock bits that disable further writes or erases to that 256-byte region. Once locked, the 8-word Electronic Serial Number and user-defined data remain immutable - even under full VCC cycling or RESET#. This behavior is hardware-enforced and documented in Section 10.1 of the datasheet, meeting requirements for device authentication in regulated equipment.

Can WP#/ACC be used simultaneously for sector protection and programming acceleration?

No - WP#/ACC serves dual but mutually exclusive functions: at VIL it protects the top or bottom sector; at VHH it enables Unlock Bypass mode for accelerated programming. The pin cannot perform both roles concurrently. The datasheet specifies that VHH must be applied only during production programming, and WP# has an internal pull-up, defaulting to VIH (neutral state) when unconnected - ensuring protection remains active unless explicitly overridden.