Infineon Technologies S29GL01GT12TFVV20

Overview

S29GL01GT12TFVV20 from Infineon is a 1 Gb (128 MB) parallel NOR flash memory IC using 45-nm MIRRORBIT™ technology, operating from 2.7 V to 3.6 V V_CC with 100 ns random access time and 15 ns page access time. It features a 512-byte write buffer, hardware ECC for single-bit correction, uniform 128-KB sector erase, and supports industrial temperature range (–40°C to +85°C) in a 56-ball VBU fortified BGA (9 mm × 7 mm) package. Used in boot code storage for industrial controllers and firmware storage in network edge devices.

For engineers reviewing the S29GL01GT12TFVV20 datasheet, S29GL01GT12TFVV20 pinout, S29GL01GT12TFVV20 application, or S29GL01GT12TFVV20 equivalent, key selection criteria include parallel ×16 bus interface timing compliance, OTP array lockability (SSR0–SSR3), ASP sector protection modes, CFI parameter table support, and VIO voltage flexibility (1.65 V to V_CC).

Technical Context

This device implements an asynchronous parallel interface 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, suspend/resume capability, and automatic status reporting via Status Register, Data Polling, or RY/BY# pin.

The internal hardware ECC engine corrects single-bit errors on-the-fly during read operations, while the 2048-byte one-time programmable (OTP) array includes four lockable sectors-SSR0 factory-locked, SSR3 password-read-protected-enabling secure boot configuration storage.

Key Specifications

Pinout & Package

Package: 56-ball VBU fortified BGA, 9 mm × 7 mm, 0.8 mm ball pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL01GT12TFIV20 and S29GL01GT11TFVV20, the S29GL01GT12TFVV20 offers optimal balance of speed (100 ns tACC), industrial temperature compliance, and cost-making it preferred for time-sensitive boot applications within standard industrial thermal envelopes.

Availability

S29GL01GT12TFVV20 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and network edge router configuration requiring stable component supply across multi-year production cycles.

Supply support for S29GL01GT12TFVV20 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, sensor, and memory solutions for industrial, automotive, and IoT applications.

The GL-T family targets high-reliability embedded systems needing fast XIP-capable boot memory with robust data integrity features-including hardware ECC, OTP security, and wide-temperature operation.

FAQ

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; SSR1–SSR2 support volatile/non-volatile locking; SSR3 adds password-based read protection. These enable secure storage of cryptographic keys, device IDs, or calibration data that must remain immutable after programming.

Does S29GL01GT12TFVV20 support both ×8 and ×16 data bus modes?

Yes. The device supports configurable 8-bit or 16-bit data bus operation via the BYTE# input. When BYTE# is low, DQ0–DQ7 operate as the data bus; when high, DQ0–DQ15 are active. Address lines A0–A22 remain unchanged in both modes, preserving full 128 MB addressability.

How does the Versatile I/O (VIO) feature impact system design?

VIO allows independent V_IO supply from 1.65 V to V_CC, decoupling I/O voltage from core logic. This eliminates external level shifters when interfacing with 1.8 V FPGAs or 2.5 V microcontrollers, reducing BOM count and PCB area while maintaining signal integrity across mixed-voltage domains.

Is hardware reset (RESET#) required for reliable operation after power-up?

Yes. RESET# must be asserted for ≥100 ns after V_CC reaches 2.7 V to ensure proper internal state initialization. Failure to apply reset may result in undefined status register values or failed command execution. The pin supports asynchronous reset during active operations, halting ongoing program/erase sequences safely.