Infineon Technologies S29GL128P10FAI022

Overview

S29GL128P10FAI022 from Cypress Semiconductor is a 128 Mbit (16 MB), single-supply 3.0 V page-mode NOR Flash memory fabricated on 90 nm MirrorBit process technology, featuring 128 uniform 64 Kword (128 Kbyte) sectors, 25 ns page access time, and 90 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 with factory- or customer-programmable 8-word electronic serial number - deployed in industrial embedded controllers requiring nonvolatile code storage and field firmware updates.

For engineers reviewing the S29GL128P10FAI022 datasheet, S29GL128P10FAI022 pinout, S29GL128P10FAI022 application, or S29GL128P10FAI022 equivalent, key selection criteria include sector architecture uniformity, VIO voltage flexibility, suspend/resume capability during erase/program, CFI compliance, and hardware reset (RESET#) + ready/busy (RY/BY#) signaling for real-time operation monitoring in boot-critical systems.

Technical Context

This device implements a synchronous command-set architecture with dual-bus address/data multiplexing (A22–A0, DQ15–DQ0), supporting byte/word configuration via BYTE# input and hardware acceleration via WP#/ACC at VHH. Its internal state machine handles embedded erase and program algorithms, with status bits accessible via DQ7/DQ6 to indicate completion without polling delay.

The 64-ball Fortified BGA (LAA064) package enables high-density PCB layout while maintaining signal integrity for 100,000 erase cycles per sector and 20-year data retention. VersatileI/O™ decouples I/O voltage (VIO) from core supply (VCC), allowing interoperability with 1.8 V or 3.3 V logic domains without level shifters.

Key Specifications

Pinout & Package

Package: 64-ball Fortified BGA (LAA064), 11 mm × 13 mm, 1.0 mm pitch, RoHS-compliant Pb-free construction. Pinout conforms to standard S29GL-P ball map with dedicated RY/BY#, RESET#, and WP#/ACC functions.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MX29GL128FPTI-90G, S29GL128P10FAI022 adds VIO flexibility and secure silicon; versus S29GL128S10TFI020, it offers tighter 90 ns timing and top-sector protection - making it optimal for time-critical, security-aware industrial boot memory.

Availability

S29GL128P10FAI022 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive instrument cluster boot memory, and medical diagnostic equipment configuration requiring stable component supply across extended product lifecycles.

Supply support for S29GL128P10FAI022 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 microcontroller solutions for industrial, automotive, and IoT applications, with focus on robustness, long-term supply, and functional safety.

The S29GL-P series targets embedded systems requiring deterministic boot performance, field-upgradable firmware, and secure identity - built on MirrorBit® charge-trapping technology to deliver endurance and retention beyond conventional floating-gate Flash.

FAQ

What is the maximum operating temperature range for S29GL128P10FAI022?

The "I" suffix in the part number denotes Industrial temperature grade: −40°C to +85°C ambient operating range. This is validated per JEDEC JESD22-A104 for thermal cycling and JESD22-A108 for high-temperature operating life, ensuring reliability in enclosed control cabinets and automotive under-dash environments.

Does S29GL128P10FAI022 support both byte and word data configurations?

Yes - the BYTE# input selects bus width: at VIL, DQ0–DQ7 are active and DQ15/A-1 becomes A0 for 8-bit operation; at VIH, DQ0–DQ15 operate as a 16-bit bus. This dual-mode capability enables compatibility with 8-bit microcontrollers and 16-bit SoCs without external data-width conversion logic.

How is the Secured Silicon Sector programmed and locked?

The 128-word Secured Silicon Sector is programmed using standard CFI command sequences (e.g., unlock, program, confirm), then permanently locked via the Lock Register command (0x60 → 0xD0). Once locked, the sector cannot be erased or rewritten - even with power cycling - providing hardware-enforced immutability for device identity and cryptographic keys.

Can S29GL128P10FAI022 be used in place of older S29GL128N devices?

No - S29GL128P uses 90 nm MirrorBit process with enhanced VersatileI/O™, suspend/resume, and CFI v1.3, whereas S29GL128N is 110 nm with fixed 3.3 V I/O and no VIO support. Pinout differs (64-ball BGA vs. 56-pin TSOP), and command set extensions are not backward compatible; redesign and firmware validation are required.