Infineon Technologies S25FS256TDACHC113

Overview

S25FS256TDACHC113 from Infineon is a 256-Mbit serial NOR flash memory with Quad SPI interface, 1.8 V supply voltage, 133 MHz read clock frequency, and 4-KB uniform sector erase capability. It serves as non-volatile program/data storage in microcontroller-based embedded systems requiring fast boot code execution and firmware updates.

For engineers reviewing the S25FS256TDACHC113 datasheet, S25FS256TDACHC113 pinout, S25FS256TDACHC113 application, or S25FS256TDACHC113 equivalent, key selection criteria include Quad SPI timing compliance, 1.8 V I/O compatibility, sector protection granularity, and industrial temperature range operation (–40°C to +105°C).

Technical Context

This device implements a standard Serial Peripheral Interface (SPI) with extended Quad I/O (QPI) mode for higher throughput. It supports both single- and quad-line read commands, with configurable dummy cycles and latency tuning for system-level timing alignment.

Internal architecture includes a 256-Mbit array organized as 512 uniform 4-KB sectors, with hardware write protection via WP# pin and software-controlled block protection (BP0–BP2 bits). The device uses charge-pump-based erase/program circuitry and includes ECC logic for bit-error correction during read operations.

Key Specifications

Pinout & Package

Package: 8-pin SOIC (208-mil width), RoHS-compliant, surface-mountable with standard reflow profile.

Key Features

Applications

Equivalent & Alternatives

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

Compared with CY15B104QN-PSOC and MX25L25645GZC-13G, S25FS256TDACHC113 uniquely balances high-density Quad SPI performance, industrial temperature operation, and on-die ECC-making it optimal for safety-critical boot and firmware storage where data integrity and environmental robustness are mandatory.

Availability

S25FS256TDACHC113 is available at Aetrix Electronics and suitable for automotive ADAS modules, industrial PLCs, medical imaging controllers, and smart grid gateways requiring stable component supply across multi-year production cycles.

Supply support for S25FS256TDACHC113 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 AG is a German semiconductor manufacturer specializing in power management, sensor, and memory solutions for automotive, industrial, and IoT applications.

S25FS256TDACHC113 belongs to the Semper™ family of secure, high-reliability NOR flash devices designed specifically for functional-safety-critical embedded systems requiring ASIL-B/D compliance and long-term data retention.

FAQ

What is the maximum clock frequency supported in Quad SPI mode?

The S25FS256TDACHC113 supports up to 133 MHz in Quad SPI (QPI) mode, enabling sustained read throughput of 532 MB/s. This frequency is validated across the full industrial temperature range (–40°C to +105°C) and requires proper PCB layout with matched trace lengths and controlled impedance.

Does this device include hardware write protection for individual sectors?

Yes, the WP# pin provides hardware-level write protection for sectors selected via software-configurable block protection bits (BP0–BP2). When WP# is asserted low, program and erase operations are disabled on all protected sectors, regardless of software state or power cycle.

Is ECC functionality enabled by default, and can it be disabled?

ECC is always active during read operations and cannot be disabled. It corrects single-bit errors and detects double-bit errors transparently, using dedicated on-die logic that requires no host intervention or additional latency overhead.

What package variant does S25FS256TDACHC113 use, and is it lead-free?

S25FS256TDACHC113 uses an 8-pin SOIC package with 208-mil body width and is fully RoHS-compliant and lead-free. The package meets JEDEC MS-012 standards and supports standard SnPb and lead-free reflow profiles per IPC/JEDEC J-STD-020.