Cypress Semiconductor Corp S25FL132K0XBHIS20

Overview

S25FL132K0XBHIS20 from Cypress Semiconductor is a 32-Mbit (4 Mbyte), 3.0 V serial NOR flash memory with SPI Multi-I/O interface, supporting Quad Read at 108 MHz and delivering up to 54 MB/s continuous data transfer. It features uniform 4 kB sector and 64 kB block erase, 100K program-erase cycles, 20-year data retention, and hardware/software write protection including OTP-secured 256-byte security registers. Used in embedded boot code storage and XIP-capable microcontroller systems.

For engineers reviewing the S25FL132K0XBHIS20 datasheet, S25FL132K0XBHIS20 pinout, S25FL132K0XBHIS20 application, or S25FL132K0XBHIS20 equivalent, key selection criteria include quad I/O read performance, industrial-plus temperature support (–40°C to +105°C), security register configuration, and migration path to S25FL064L for new designs.

Technical Context

This device implements JEDEC-standard SPI with modes 0 and 3, supporting Normal, Fast, Dual, and Quad Read commands. Its 90 nm floating gate architecture enables reliable operation across 2.6 V–3.6 V supply and –40°C to +105°C (Industrial Plus) range.

The memory includes Serial Flash Discoverable Parameters (SFDP) per JEDEC JESD216B, supports Execute-In-Place (XIP) via Continuous and Wrapped Read modes, and integrates three 256-byte security registers with OTP lock-down until power cycle - unique to S25FL132K and S25FL164K variants.

Key Specifications

Pinout & Package

Package: 8-contact USON (4 mm × 4 mm), RoHS-compliant, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL132K0XBHIS20, S25FL064L offers higher density and speed with modern SFDP but removes hardware suspend; MX25L3233F provides basic compatibility at lower cost but omits critical security and extended temperature capabilities.

Availability

S25FL132K0XBHIS20 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging device code storage requiring stable component supply despite end-of-life status.

Supply support for S25FL132K0XBHIS20 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

Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in microcontrollers, connectivity solutions, and non-volatile memory for embedded systems.

The S25FL1-K family was designed for high-reliability, SPI-based code storage in resource-constrained industrial and automotive applications - emphasizing security, endurance, and XIP performance over raw density.

FAQ

Is S25FL132K0XBHIS20 still in production?

No - Cypress officially retired the S25FL1-K family and does not recommend it for new designs. However, Aetrix Electronics maintains limited legacy inventory with full traceability and supports existing production programs through lifecycle coordination and obsolescence mitigation services.

What is the function of the IO2 and IO3 pins in Quad Read mode?

In Quad Read mode, IO2 and IO3 become dedicated bidirectional data lines (alongside IO0 and IO1), enabling 4-bit-per-clock transfers. WP# (IO2) and HOLD# (IO3) functionality is disabled in this mode per JEDEC SPI specification - protection must be managed via software commands or external logic.

Does S25FL132K0XBHIS20 support Execute-In-Place (XIP) reliably?

Yes - it supports XIP via Continuous Read and Wrapped Read modes, with ≤8-clock overhead per access and 54 MB/s sustained throughput. The 108 MHz Quad Read clock rate ensures instruction fetch latency comparable to parallel NOR, validated across –40°C to +105°C.

How is security implemented in S25FL132K0XBHIS20?

Security relies on three 256-byte OTP security registers, pointer-based block protection, and lock-down-until-power-cycle behavior. Each device has a unique 8-byte ID. Protection is enforced via non-volatile status bits, software commands, and hardware inputs (WP#/HOLD#), with OTP preventing post-programming modification.