Infineon Technologies S29GL128S11FHVV20

Overview

S29GL128S11FHVV20 from Infineon is a 128 Mb (16 MB) parallel NOR flash memory IC with 3.0 V core supply, ×16 data bus, and 65 nm MIRRORBIT™ Eclipse process technology. It delivers 90 ns random access time, 15 ns page access time, and integrated hardware ECC for single-bit error correction-enabling reliable code storage and XIP execution in automotive instrument clusters and industrial HMI controllers.

For engineers reviewing the S29GL128S11FHVV20 datasheet, S29GL128S11FHVV20 pinout, S29GL128S11FHVV20 application, or S29GL128S11FHVV20 equivalent, this device supports asynchronous read, sector erase, suspend/resume operations, OTP array, CFI compliance, and AEC-Q100 Grade 2 qualification (–40°C to +105°C).

Technical Context

This device implements an embedded algorithm controller (EAC) that manages program/erase sequences autonomously, eliminating host-side timing control. Its 512-byte write buffer enables burst programming at up to 1.5 MBps, while uniform 128-kbyte sectors support deterministic erase timing (477 kBps).

The Versatile I/O feature allows independent VIO (1.65 V to VCC), decoupling I/O voltage from core logic-critical for mixed-voltage SoC interfaces. Hardware ECC operates transparently during read, correcting single-bit errors without software intervention or latency penalty.

Key Specifications

Pinout & Package

Package: 56-ball VBU Fortified BGA (9 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar parallel NOR flash applications.

Compared with S29GL128S11FHVV20, the TSOP variant trades packaging flexibility for legacy compatibility, while the Macronix alternative reduces cost but shifts ECC and suspend functionality to software-increasing validation burden and reducing functional safety readiness.

Availability

S29GL128S11FHVV20 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLCs, medical diagnostic displays, and avionics data loggers requiring stable component supply, long-life availability, and AEC-Q100 compliance.

Supply support for S29GL128S11FHVV20 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

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive microcontrollers, and high-reliability memory solutions.

The GL-S family targets automotive and industrial applications demanding AEC-Q100 qualification, hardware ECC, and deterministic XIP performance-designed specifically for safety-critical firmware storage and real-time code execution.

FAQ

What is the purpose of the Versatile I/O (VIO) feature?

VIO allows independent supply voltage (1.65 V to VCC) for the DQ[15:0] and control pins, enabling direct interfacing with 1.8 V or 2.5 V SoCs without level shifters. This reduces BOM cost and signal integrity risk while maintaining full 3.0 V core performance for memory array operations.

How does the 512-byte write buffer improve programming efficiency?

The buffer accepts up to 512 bytes in a single command sequence, then executes internal programming in one atomic operation. This achieves 1.5 MBps effective throughput-up to 4× faster than byte-by-byte programming-and reduces host CPU overhead during firmware updates.

Is the OTP array truly one-time programmable?

Yes-the 1024-byte OTP region contains two separately lockable sectors. Once locked via dedicated CFI commands, bits cannot be altered. This provides tamper-resistant storage for cryptographic keys, calibration coefficients, or device serial numbers in production environments.

Does the device support both synchronous and asynchronous read modes?

No-S29GL128S11FHVV20 supports only asynchronous read operations. It lacks clock inputs and DLL circuitry required for synchronous timing. All read cycles are controlled by CE#, OE#, and address setup/hold timing per AC specifications in the datasheet.