Infineon Technologies S29GL064S80TFV020

Overview

S29GL064S80TFV020 from Infineon is a 64 Mb (8 MB) parallel NOR flash memory with 3.0 V single-supply operation, 70 ns access time, 128-word write buffer, hardware ECC for single-bit correction, and secure silicon region with factory-programmed 8-word serial number. It serves as boot code storage in industrial microcontroller systems requiring high reliability and AEC-Q100 Grade 2 compliance.

For engineers reviewing the S29GL064S80TFV020 datasheet, S29GL064S80TFV020 pinout, S29GL064S80TFV020 application, or S29GL064S80TFV020 equivalent, key selection criteria include uniform 64-KB sector architecture, VIO-referenced I/O (1.65–VCC), JEDEC-compliant command set, and support for Program/Erase Suspend/Resume in embedded firmware update scenarios.

Technical Context

This device implements MIRRORBIT™ charge-trapping flash technology on a 65-nm process, enabling simultaneous hot-hole erase and hot-electron programming across uniform 64-KB sectors. Its dual-mode 16-bit/8-bit data bus is controlled by BYTE# input, and all timing-critical operations (read, program, erase) are managed via JEDEC-standard command sequences written using standard microprocessor write cycles.

Hardware-level protection includes low-VCC detection inhibiting writes during power transitions, WP#/ACC-driven first/last sector lock, and RESET#-initiated abort of active operations. The Secure Silicon Region provides a permanently locked 256-byte area accessible only through dedicated command sequences, independent of sector protection settings.

Key Specifications

Pinout & Package

Package: 48-ball fine-pitch BGA (VBK048, 8.15 mm × 6.15 mm × 1.0 mm), industrial temperature grade (–40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with S29GL064S80TFV020, the -90 variant trades 20 ns speed for cost, while the Micron alternative omits secure silicon and ECC-making the Infineon part uniquely suited for safety- and security-critical boot memory where deterministic timing and hardware-enforced integrity are mandatory.

Availability

S29GL064S80TFV020 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging system BIOS requiring stable component supply across extended product lifecycles.

Supply support for S29GL064S80TFV020 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 secure memory solutions, with global manufacturing and quality certification to ISO/TS 16949 and AEC-Q100.

The GL-S MIRRORBIT™ flash product line delivers high-reliability parallel NOR memory for mission-critical boot and firmware storage in automotive, industrial, and medical systems where data integrity, long-term retention, and hardware security are non-negotiable.

FAQ

Does S29GL064S80TFV020 support both 8-bit and 16-bit data bus modes?

Yes. The device operates in 16-bit mode by default. When BYTE# is asserted low, it switches to 8-bit mode, enabling compatibility with legacy 8-bit microcontrollers and reducing pin count on space-constrained PCBs. This mode is selected dynamically and does not require reconfiguration of the command set.

What is the function of the VIO pin, and why is it separate from VCC?

VIO sets the voltage reference for all input thresholds and output drive levels, ranging from 1.65 V to VCC. This separation allows the device to interface cleanly with mixed-voltage systems-for example, connecting to a 1.8 V FPGA I/O bank while powered by a 3.0 V VCC rail-without level shifters or timing uncertainty from supply noise coupling.

How is the Secure Silicon Region protected, and can it be reprogrammed?

The Secure Silicon Region is a dedicated 256-byte sector that can be permanently locked via a one-time factory or customer programming sequence. Once locked, no further writes or erases are possible-even with elevated ACC voltage or password override. Its 16-byte electronic serial number is pre-programmed at wafer test and cannot be altered.

Is hardware ECC enabled by default, and does it impact read latency?

Yes, internal ECC is always active during reads and requires no software enable. It adds no measurable latency to 70 ns access time because correction logic operates in parallel with array access; corrected data appears at DQ pins within the same cycle. Single-bit errors are transparently corrected; uncorrectable multi-bit errors trigger DQ7 toggle behavior per JEDEC specification.