Infineon Technologies S29GL512S11GHI020

Overview

S29GL512S11GHI020 from Infineon is a 512 Mb (64 MB) parallel NOR flash memory IC with 3.0 V core supply, 16-bit data bus, and MIRRORBIT™ Eclipse 65 nm technology. It delivers 100 ns random access time, 15 ns page access time, and supports 512-byte buffer programming for embedded boot code storage in industrial and automotive systems operating from –40°C to +105°C.

For engineers reviewing the S29GL512S11GHI020 datasheet, S29GL512S11GHI020 pinout, S29GL512S11GHI020 application, or S29GL512S11GHI020 equivalent, key selection criteria include its asynchronous 16-bit interface, integrated hardware ECC, uniform 128-kB sector erase, Versatile I/O (1.65 V–VCC), and AEC-Q100 Grade 2 qualification.

Technical Context

This device implements an embedded algorithm controller (EAC) that executes autonomous program/erase operations without external timing control. It uses a 32-byte aligned page read architecture where initial access fetches a full page (32 bytes), and subsequent intra-page reads complete in 15 ns via low-order address toggling.

Hardware ECC provides single-bit error correction with automatic detection and correction during read cycles. Sector protection includes both volatile (lock bits) and non-volatile (ASP) methods, and the device features a dedicated 1024-byte OTP array with two lockable regions for secure configuration storage.

Key Specifications

Pinout & Package

Package: 56-pin TSOP (Type I, 14 mm × 20 mm, 0.55 mm pitch). Pinout validated per Infineon datasheet 001-98285 Rev. *U, Section 12.1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL512S11GHI020, the TSOP-packaged variant offers direct drop-in compatibility with legacy socketed designs, while the BGA alternatives trade package flexibility for footprint reduction or cost optimization-selection depends strictly on thermal, mechanical, and qualification constraints.

Availability

S29GL512S11GHI020 is available at Aetrix Electronics and suitable for automotive powertrain ECUs, industrial PLCs, and medical imaging systems requiring stable component supply and long-term lifecycle support.

Supply support for S29GL512S11GHI020 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, and industrial control ICs, with global manufacturing and quality certification to ISO/TS 16949 and AEC-Q standards.

The GL-S family targets high-reliability embedded systems needing fast XIP-capable flash with robust data integrity-designed specifically for automotive ECUs, industrial controllers, and medical devices demanding AEC-Q100 or extended temperature operation.

FAQ

Is S29GL512S11GHI020 pin-compatible with earlier S29GL512P or S29GL512N devices?

No. S29GL512S11GHI020 uses a 56-pin TSOP package with updated pin assignments for Versatile I/O and RY/BY# functionality. It is not mechanically or electrically compatible with legacy P/N variants due to changes in address bus width (A24 vs A23), VIO pin routing, and command set enhancements.

Does this device require an external VPP voltage for programming or erase?

No. S29GL512S11GHI020 integrates on-chip charge pumps for programming and erase voltages. Only a single 3.0 V core supply (VCC = 2.7–3.6 V) and independent I/O supply (VIO = 1.65–VCC) are required-no external high-voltage generator or VPP pin is needed.

How is the 512-byte programming buffer utilized in practice?

The buffer accepts up to 512 consecutive bytes (256 words) in a single write transaction. After loading, a single program command initiates internal buffered programming, completing all 256 words atomically. This eliminates per-word command overhead and reduces total programming time by up to 75% versus standard single-word writes.

Can the OTP array be reprogrammed after initial programming?

No. The 1024-byte OTP array is physically one-time programmable. Once a bit is set to '0', it cannot be reset to '1'. Two independent lock bits prevent further writes to each 512-byte region-locking is permanent and irreversible, ensuring cryptographic key or calibration data immutability.