Winbond Electronics Corporation W25Q64FWZPIF TR

Overview

W25Q64FWZPIF TR from Winbond is a 1.8V, 64M-bit (8MB) serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces. It features uniform 4KB sectors, 104MHz clock rate (416MHz equivalent Quad I/O), 50MB/s continuous read, and integrated security registers. It enables execute-in-place (XIP) code execution in space-constrained embedded systems requiring reliable non-volatile storage.

For engineers reviewing the W25Q64FWZPIF TR datasheet, W25Q64FWZPIF TR pinout, W25Q64FWZPIF TR application, or W25Q64FWZPIF TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin behavior under QE=1, sector protection granularity, SFDP register support, and 1.65–1.95V supply compatibility with industrial temperature range.

Technical Context

The W25Q64FWZPIF TR implements a flexible SPI command architecture with mode-selectable operation: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (2-clock instruction fetch). Its internal block diagram includes a 256-byte page buffer, column/row decode logic, and three 256-byte one-time-programmable (OTP) security registers.

Functional operation depends on volatile/non-volatile status register bits - notably QE (Status Register-2, bit 1), HOLD/RST (bit 7), and WPS/CMP for write protection hierarchy. Erase suspend/resume, continuous read with wrap, and JEDEC-compliant SFDP (5Ah) enable dynamic configuration discovery without hard-coded timing assumptions.

Key Specifications

Pinout & Package

W25Q64FWZPIF TR uses an 8-pin WSON 6×5-mm package (Package Code ZP), with exposed pad for thermal dissipation and RoHS-compliant matte tin finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MX25L6433FZNI-10G and S25FL164K0XMFI010, the W25Q64FWZPIF TR uniquely delivers 104MHz Quad SPI + QPI in a 1.8V package, enabling both high-throughput XIP and minimal instruction overhead - critical for resource-constrained edge devices.

Availability

W25Q64FWZPIF TR is available at Aetrix Electronics and suitable for industrial control, automotive ADAS, IoT gateway, and medical imaging applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for W25Q64FWZPIF 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 since 1987.

The W25Q series targets embedded systems needing high-speed, low-voltage, secure serial NOR flash - designed specifically for code execution, firmware storage, and parameter retention in space- and power-constrained environments.

FAQ

What is the operating voltage range for the W25Q64FWZPIF TR?

The W25Q64FWZPIF TR operates from 1.65 V to 1.95 V. This narrow 1.8V nominal range ensures compatibility with modern low-power microcontrollers and SoCs without external level shifters. Operation outside this range may cause undefined behavior or permanent damage. The device draws only 4 mA active current and less than 1 µA in power-down mode, making it ideal for battery-backed or energy-harvesting systems.

Does the W25Q64FWZPIF TR support execute-in-place (XIP) functionality?

Yes, the W25Q64FWZPIF TR supports true XIP through Fast Read Quad I/O (EBh), Word Read Quad I/O (E7h), and QPI modes. With up to 416 MB/s effective throughput and Continuous Read Mode (77h), it enables zero-wait-state code execution directly from flash. The 8-clock instruction overhead reduction in QPI mode further minimizes latency, making W25Q64FWZPIF TR suitable for real-time embedded applications requiring deterministic boot and interrupt response.

How does the /HOLD pin behave when Quad Enable (QE) is set on the W25Q64FWZPIF TR?

When the Quad Enable (QE) bit in Status Register-2 is set to 1, the /HOLD pin on the W25Q64FWZPIF TR is reassigned as IO3 for Quad SPI and QPI operations. Its hold functionality is disabled. This reassignment is mandatory per the datasheet - attempting to use /HOLD while QE=1 will result in incorrect communication. To retain /HOLD functionality, QE must remain cleared (0), limiting interface to Standard or Dual SPI modes.

What security features are implemented in the W25Q64FWZPIF TR?

The W25Q64FWZPIF TR includes hardware write protection via /WP pin and status register bits (BP2–BP0, TB, SEC, CMP), three 256-byte one-time-programmable (OTP) security registers, a factory-programmed 64-bit unique ID (readable via 4Bh), and JEDEC SFDP register (5Ah) for standardized parameter discovery. These features collectively support secure boot, firmware authentication, and tamper-resistant configuration storage - meeting baseline requirements for industrial and medical device certification.

Is the W25Q64FWZPIF TR pin-compatible with other W25Q64FW variants?

Yes, the W25Q64FWZPIF TR shares identical pinout and electrical characteristics with all W25Q64FW variants in the same 8-pin WSON 6×5-mm package (ZP code), including W25Q64FWSSIG, W25Q64FWUXI, and W25Q64FWZPIG. Differences are limited to temperature grade (-40°C to +85°C for 'I' suffix) and tape-and-reel packaging ('TR' denotes full reel). No PCB layout changes are required when substituting within the ZP package family.