Winbond Electronics Corporation W25Q128FVEIQ TR

Overview

W25Q128FVEIQ TR from Winbond is a 3.3V, 128M-bit (16MB) serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces. It features 4KB uniform sectors, 104MHz max clock speed, 50MB/s continuous read throughput, and operates from -40°C to +85°C. It enables XIP execution in embedded microcontrollers for boot code storage and firmware updates.

For engineers reviewing the W25Q128FVEIQ TR datasheet, W25Q128FVEIQ TR pinout, W25Q128FVEIQ TR application, or W25Q128FVEIQ TR equivalent, key selection criteria include Quad I/O support with QE bit control, hardware write protection via /WP and /HOLD pins, sector-level erase flexibility, and TFBGA-24 or WSON-8 packaging compatibility with space-constrained PCB layouts.

Technical Context

The W25Q128FVEIQ TR implements a multi-mode serial interface: Standard SPI (4-wire), Dual SPI (4-wire with IO0/IO1 bidirectional), Quad SPI (4-wire with IO0–IO3), and QPI (6-wire with dedicated command/address/data lanes). Its architecture supports true execute-in-place (XIP) via Continuous Read Mode with ≤8-clock instruction overhead and wrap-length options (8/16/32/64 bytes).

Internal memory organization comprises 65,536 × 256-byte pages across 4,096 erasable 4KB sectors and 256 × 64KB blocks. Erase/program suspend-resume capability, volatile/non-volatile status register bits (BP2–BP0, TB, SEC, QE, DRV0/DRV1), and three 256-byte OTP-lockable security registers enable robust firmware integrity management.

Key Specifications

Pinout & Package

W25Q128FVEIQ TR is supplied in an 8-pin WSON 6×5-mm package (Package Code P), with exposed pad for thermal dissipation and compact footprint. Pin functions are identical to SOIC-8 and VSOP-8 variants per datasheet Figure 1a/b.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MX25L12833FZNI-10G and S25FL128SAGMFI000, the W25Q128FVEIQ TR provides higher bandwidth via QPI, integrated security registers with OTP locks, and factory-programmed unique ID-making it optimal for secure, high-performance embedded systems where firmware integrity and rapid boot are design priorities.

Availability

W25Q128FVEIQ TR is available at Aetrix Electronics and suitable for industrial control systems, automotive telematics modules, and medical diagnostic equipment requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for W25Q128FVEIQ TR 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

Winbond Electronics is a Taiwan-based semiconductor company specializing in specialty DRAM, mobile DRAM, and serial flash memory solutions for embedded, communications, and computing markets.

The W25Q series targets high-reliability embedded systems needing fast, secure, and flexible code and data storage-designed specifically for XIP-capable microcontrollers, OTA update architectures, and safety-critical firmware storage.

FAQ

What interface protocols does the W25Q128FVEIQ TR support?

The W25Q128FVEIQ TR supports Standard SPI (4-wire), Dual SPI (4-wire with IO0/IO1), Quad SPI (4-wire with IO0–IO3), and Quad Peripheral Interface (QPI, 6-wire). QPI mode requires setting the Quad Enable (QE) bit in Status Register-2 and is enabled via the 38h instruction. All modes operate up to 104MHz clock frequency, with Quad I/O achieving up to 416MHz equivalent throughput.

How is hardware write protection implemented on the W25Q128FVEIQ TR?

Hardware write protection on the W25Q128FVEIQ TR uses the /WP pin (active-low) in conjunction with Block Protect (BP2–BP0), Top/Bottom (TB), and Sector Protect (SEC) bits in the status register. When /WP is asserted low and BP bits are set, writes to protected sectors are blocked. The /WP pin is disabled in Quad SPI mode (QE=1), where it functions as IO2. Protection granularity ranges from individual 4KB sectors to the full array.

Does the W25Q128FVEIQ TR support execute-in-place (XIP) operation?

Yes, the W25Q128FVEIQ TR supports true XIP via its Continuous Read Mode, which minimizes instruction overhead to as few as 8 clocks for address setup and enables wrap lengths of 8/16/32/64 bytes. Combined with QPI mode's reduced command latency, this allows microcontrollers to fetch and execute code directly from flash without copying to RAM-critical for fast-boot and memory-constrained applications.

What package type is used for the W25Q128FVEIQ TR part number?

The W25Q128FVEIQ TR uses an 8-pad WSON 6×5-mm package (Package Code P) with exposed thermal pad. This compact, lead-free, RoHS-compliant package measures 6 mm × 5 mm × 0.75 mm and is optimized for high-density PCB layouts in portable and space-constrained embedded systems.

Can the W25Q128FVEIQ TR be reset using a dedicated pin?

The W25Q128FVEIQ TR does not have a dedicated /RESET pin in its WSON-8 package. Instead, the /HOLD pin (Pin 7) doubles as /RESET when configured via the HOLD/RST bit in Status Register-3-but only when QE=0. In Quad SPI mode (QE=1), this dual function is unavailable. Hardware reset is therefore conditional on status register configuration and interface mode.