Infineon Technologies S70FL01GSDSMFV010

Overview

S70FL01GSDSMFV010 from Infineon is a 1 Gbit (128 Mbyte) dual-die SPI Multi-I/O flash memory with 3.0 V core supply, uniform 256-kbyte sector erase, 100,000 program-erase cycles, and AEC-Q100 Grade 2 qualification (−40°C to +105°C). It implements two stacked S25FL512S dies in a single SOIC-16 package for embedded boot code and firmware storage in automotive ECUs.

For engineers reviewing the S70FL01GSDSMFV010 datasheet, S70FL01GSDSMFV010 pinout, S70FL01GSDSMFV010 application, or S70FL01GSDSMFV010 equivalent, key selection criteria include dual-die addressing via CS1#/CS2#, Quad DDR read support, OTP array size (2048 bytes), sector protection granularity, and industrial-plus temperature operation without VIO dependency.

Technical Context

The S70FL01GSDSMFV010 integrates two independent S25FL512S flash dies sharing a common SOIC-16 footprint, each with dedicated CS# lines (CS1#, CS2#), separate status/configuration registers, and autonomous erase/program operations. It supports SPI modes 0 and 3, DDR clocking, and extended 32-bit addressing across both dies.

It delivers 1.5 Mbytes/s page programming and 0.5 Mbytes/s sector erase throughput, with AutoBoot capability to execute Normal or Quad Read at power-up from a preselected address. CFI data is provided per die, with byte 27h modified to reflect 1 Gbit geometry (0x1B).

Key Specifications

Pinout & Package

Package: 16-lead SOIC (300 mils), Pb-free, industrial-plus qualified.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SPI flash memory applications.

Compared with S25FL128SAGMFI000, the S70FL01GSDSMFV010 provides 8× density and die-level isolation at the cost of dual-CS complexity; versus S70FL01GSAGMFI001, it trades BGA thermal advantage for SOIC manufacturability and legacy board compatibility.

Availability

S70FL01GSDSMFV010 is available at Aetrix Electronics and suitable for automotive powertrain ECUs, industrial PLCs, medical imaging subsystems, and avionics display systems requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S70FL01GSDSMFV010 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 nonvolatile memory solutions for safety-critical applications.

The FL-S family targets high-reliability embedded systems requiring SPI flash with AEC-Q100 qualification, advanced security, and multi-die scalability-designed specifically for automotive, industrial, and medical firmware storage.

FAQ

What is the functional relationship between CS1# and CS2# on the S70FL01GSDSMFV010?

CS1# and CS2# independently enable access to the first and second 512 Mbit flash die respectively. Each die operates autonomously: status registers, configuration bits, and erase/program commands must be issued separately per chip select. Simultaneous access is not supported, and sequential reads across die boundaries require explicit CS# toggling.

Does the S70FL01GSDSMFV010 support VIO supply, and what is the impact of its absence?

No, VIO is explicitly unsupported and marked RFU (Reserved for Future Use) in this variant. All I/O signaling operates from the core VCC supply (2.7–3.6 V), eliminating level-shifting requirements but fixing I/O voltage to the core rail. This simplifies power design but removes independent I/O voltage scaling capability.

How does AutoBoot function differ between single-die and dual-die FL-S devices?

In the S70FL01GSDSMFV010, AutoBoot executes only on the die selected by the active CS# line at power-up. If both CS1# and CS2# are asserted, behavior is undefined. Unlike single-die variants, AutoBoot address and mode must be configured identically on both dies to ensure consistent boot behavior across die swaps or updates.

Can the OTP array be used for secure key storage in cryptographic applications?

Yes-the 2048-byte OTP array supports irreversible programming and is isolated from main array erase cycles. Keys written to OTP persist through full chip erases and retain integrity over 20 years at +85°C. However, OTP programming requires dedicated command sequences and cannot be re-read after lock, aligning with FIPS 140-2 Level 2 key storage requirements.