Infineon Technologies S29GL512T11DHV023

Overview

S29GL512T11DHV023 from Infineon is a 512 Mb (64 MB) parallel NOR flash memory using 45-nm MIRRORBIT™ technology, operating from 2.7 V to 3.6 V with 100 ns random access time and 15 ns page access time. It features a 512-byte write buffer, internal single-bit ECC, uniform 128-KB sector erase, and supports industrial temperature range (–40°C to +85°C). It is used in boot code storage for industrial controllers requiring fast XIP execution and reliable non-volatile data retention.

For engineers reviewing the S29GL512T11DHV023 datasheet, S29GL512T11DHV023 pinout, S29GL512T11DHV023 application, or S29GL512T11DHV023 equivalent, key selection considerations include parallel ×16 bus interface timing compliance, OTP array configuration for secure firmware storage, sector protection granularity, and thermal grade validation for embedded control environments.

Technical Context

This device implements asynchronous parallel NOR architecture with byte/word boundary addressing and supports both 8-bit and 16-bit data bus configurations. Its embedded algorithm controller (EAC) manages program/erase operations autonomously, including suspend/resume capability and status monitoring via Status Register, Data Polling, or RY/BY# pin.

The versatile I/O feature enables independent VIO supply (1.65 V to VCC), allowing interfacing with mixed-voltage logic systems. Internal hardware ECC provides single-bit error correction without software overhead, and the 2048-byte OTP array includes four lockable sectors-SSR0 factory-locked, SSR3 password-protected-for secure boot code or calibration data storage.

Key Specifications

Pinout & Package

Package: 56-pin TSOP (Type I, standard thickness), JEDEC MO-142AC compliant, lead-free and RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL512S11DHV020 and MX29GL512FHI-90G, the S29GL512T11DHV023 delivers superior reliability through on-die ECC, secure firmware storage via OTP, and tighter timing-making it optimal for new designs where safety, longevity, and XIP performance are prioritized.

Availability

S29GL512T11DHV023 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive instrument cluster boot memory, and medical imaging system configuration requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for S29GL512T11DHV023 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 ICs, and high-reliability memory solutions, with global manufacturing and quality certifications including IATF 16949 and ISO 9001.

The GL-T family targets embedded systems requiring robust, high-density parallel NOR flash with XIP capability, hardware ECC, and secure OTP storage-designed specifically for industrial control, automotive, and medical applications demanding long-term data integrity.

FAQ

Is S29GL512T11DHV023 compatible with legacy S29GL512P designs?

No. The S29GL512T11DHV023 uses a different command set, timing parameters, and OTP architecture than the P-series. Pinout is identical in TSOP packages, but firmware must be updated to use CFI queries and new status register bits. Electrical interface remains backward-compatible, but embedded algorithms require validation.

What is the function of the SSR0–SSR3 regions in the OTP array?

SSR0–SSR3 are four 512-byte lockable sectors within the 2048-byte OTP array. SSR0 is permanently locked at factory and stores device ID and CFI data. SSR1–SSR2 are user-lockable for calibration or serial numbers. SSR3 supports password-based read protection for sensitive keys, enforced by hardware-no software bypass is possible.

Does this device support synchronous read modes?

No. The S29GL512T11DHV023 is strictly asynchronous-timing relies on CE#, OE#, and WE# control signals without clock input. It does not support QSPI, DDR, or any clocked interface. Page read is asynchronous with 32-byte burst capability, but no clock signal is required or accepted.

How is ECC implemented and verified during operation?

ECC is fully hardware-managed: single-bit errors are corrected automatically on every read, and the Status Register reports correction events via the ECCERR bit. No host intervention is needed. Correction occurs transparently in the data path; uncorrectable multi-bit errors trigger BUSY timeout and require host-initiated recovery. ECC logic is always enabled and cannot be disabled.