Infineon Technologies S29GL256P11FFI012

Overview

S29GL256P11FFI012 from Cypress Semiconductor is a 256 Mbit (32 MB), 3.0 V-only page-mode NOR Flash memory fabricated on 90 nm MirrorBit process technology, featuring 256 uniform 64 Kword (128 Kbyte) sectors, 25 ns page access time, and 110 ns random access time under regulated VCC. It supports VersatileI/O™ with VIO range 1.65–VCC, 32-word write buffer, and Secured Silicon Sector for factory- or customer-programmable 128-word electronic serial number - deployed in industrial embedded controllers requiring nonvolatile firmware storage with sector-level protection.

For engineers reviewing the S29GL256P11FFI012 datasheet, S29GL256P11FFI012 pinout, S29GL256P11FFI012 application, or S29GL256P11FFI012 equivalent, key selection criteria include uniform sector architecture, WP#/ACC acceleration support, CFI compliance, suspend/resume capability for real-time OS environments, and industrial temperature operation (–40°C to +85°C) in Fortified BGA package.

Technical Context

This device implements a synchronous/asynchronous hybrid interface with dedicated CE#, OE#, and WE# controls, enabling direct CPU bus interfacing without glue logic. Its VersatileI/O™ architecture decouples I/O voltage (VIO) from core supply (VCC), allowing interoperability with 1.8 V, 2.5 V, or 3.3 V host systems while maintaining full 3.0 V internal operation.

The 64-ball Fortified BGA (LAA064) package integrates hardware reset (RESET#), ready/busy status (RY/BY#), and dual-function WP#/ACC pin for both sector write protection and high-voltage programming acceleration. Sector erase endurance is rated at 100,000 cycles with 20-year data retention, validated under JEDEC JESD22-A117 conditions.

Key Specifications

Pinout & Package

Package: 64-ball Fortified Ball Grid Array (LAA064), RoHS-compliant, Pb-free, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MX29GL256FHI-11G and S29GL256S11FFI010, the S29GL256P11FFI012 offers unique VersatileI/O™ voltage independence and factory-configured VIO = 1.65–VCC operation - delivering design flexibility in heterogeneous voltage systems and eliminating need for external level shifters in 1.8 V host interfaces.

Availability

S29GL256P11FFI012 is available at Aetrix Electronics and suitable for industrial motor control, medical imaging devices, automotive ADAS modules, and smart energy metering systems requiring stable component supply, long-term lifecycle support, and guaranteed Pb-free compliance.

Supply support for S29GL256P11FFI012 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.

The S29GL-P series targets embedded systems requiring robust, pin-compatible NOR Flash with enhanced data integrity features - specifically engineered for firmware storage, secure boot, and field-upgradable applications where sector granularity and endurance are critical.

FAQ

What is the function of the WP#/ACC pin on S29GL256P11FFI012?

The WP#/ACC pin serves dual roles: at VIL, it protects the highest or lowest sector (configurable at factory) from accidental program/erase; when driven to VHH (12 V), it enables Unlock Bypass Programming mode, reducing single-word programming time from 60 µs to 13.5 µs and accelerating production line firmware loading.

Does S29GL256P11FFI012 support true byte-wide operation?

Yes - when BYTE# is pulled low, the device operates in byte mode: DQ0–DQ7 become active data lines, and DQ15/A-1 functions as the LSB address input (A-1), enabling 8-bit microcontroller interfacing without data bus multiplexing or external latches.

How is the Secured Silicon Sector programmed and locked?

The 128-word Secured Silicon Sector is programmed using standard CFI command sequences; once written, its contents can be permanently locked via a dedicated lock bit. Factory locking occurs during wafer test; customer locking is performed via software command after verifying data integrity - irreversible and immune to bulk erase.

Can S29GL256P11FFI012 be used in place of older S29GL256N devices?

No - the 'P' suffix denotes 90 nm MirrorBit process with enhanced features (VersatileI/O™, larger write buffer, suspend/resume), while 'N' devices use 110 nm process and lack VIO support, different command sets, and reduced endurance. Pinout is compatible, but electrical and timing behavior differs significantly.