Cypress Semiconductor Corp S29GL128P11TFI020

Overview

S29GL128P11TFI020 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. It delivers 110 ns random access time and 25 ns page access time, features a 32-word/64-byte write buffer, uniform 64 Kword sectors (128 total), and supports CFI for host compatibility - deployed in industrial embedded controllers requiring nonvolatile program storage with sector-level protection.

For engineers reviewing the S29GL128P11TFI020 datasheet, S29GL128P11TFI020 pinout, S29GL128P11TFI020 application, or S29GL128P11TFI020 equivalent, key selection criteria include VIO-compatible I/O voltage scaling (1.65–VCC), WP#/ACC dual-function pin behavior, Ready/Busy# status signaling, and Secured Silicon Sector programmability for device serialization.

Technical Context

This device operates in word (16-bit) or byte (8-bit) configuration via BYTE# control, with address lines A22–A0 (23-bit addressing). Its VersatileI/O™ architecture decouples I/O voltage (VIO) from core supply (VCC), enabling interoperability with mixed-voltage systems while maintaining full 2.7–3.6 V VCC operation.

Embedded algorithms manage program/erase cycles with suspend/resume capability; status bits and RY/BY# output provide real-time operation feedback. Sector erase endurance is rated at 100,000 cycles, with 20-year data retention under industrial temperature conditions (–40°C to +85°C).

Key Specifications

Pinout & Package

Package: 56-pin TSOP (Standard Thin Small Outline Package, TSO56), lead-free (Pb-free), industrial temperature grade.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MX29GL128FPTI-90G and S29GL128S11TFI020, the S29GL128P11TFI020 uniquely balances industrial temperature reliability, VIO voltage scalability, and TSOP-56 mechanical compatibility - making it optimal for retrofitting or upgrading existing embedded controller designs without redesigning power or interface circuitry.

Availability

S29GL128P11TFI020 is available at Aetrix Electronics and suitable for industrial PLCs, automotive BCMs, and medical infusion pumps requiring stable component supply, long-term lifecycle assurance, and guaranteed Pb-free compliance.

Supply support for S29GL128P11TFI020 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 global leader in high-performance, low-power embedded solutions, specializing in memory, microcontrollers, and connectivity ICs for industrial and automotive markets.

The S29GL-P series was designed specifically for embedded systems needing robust, pin-compatible NOR Flash with advanced protection, secure serialization, and mixed-voltage interoperability - targeting boot memory, firmware storage, and configuration retention.

FAQ

What is the function of the WP#/ACC pin on S29GL128P11TFI020?

The WP#/ACC pin serves dual roles: at VIL, it protects the highest or lowest sector from program/erase commands; at VHH (12 V), it enables Unlock Bypass mode for accelerated production programming. Internally pulled up, it defaults to VIH for normal operation. This eliminates need for external switching circuitry in both field and factory environments.

Does S29GL128P11TFI020 support byte-wide data access?

Yes - when BYTE# is driven low, the device enters byte mode: DQ0–DQ7 become active, and DQ15/A-1 functions as the LSB address input. This enables direct connection to 8-bit microcontrollers without data bus multiplexing, preserving full 128 Mbit capacity while simplifying interface logic.

How does the Secured Silicon Sector differ from standard flash sectors?

The Secured Silicon Sector is a dedicated 128-word (256-byte) region with factory- or customer-programmable Electronic Serial Number and independent lock mechanism. Once locked, its contents cannot be erased or rewritten - providing immutable device identity for security, traceability, and license enforcement in regulated applications.

Can S29GL128P11TFI020 operate with VIO = 1.8 V while VCC = 3.3 V?

Yes - VIO range is specified as 1.65 V to VCC, so 1.8 V VIO with 3.3 V VCC is fully compliant. This configures all inputs (address, control, DQ) to recognize 1.8 V logic thresholds and drives DQ outputs at 1.8 V levels, enabling seamless interface with 1.8 V FPGAs or ASICs without external level translators.