Winbond Electronics Corporation W25Q64CVTBIP TR

Overview

W25Q64CVTBIP TR from Winbond is a 64M-bit (8MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with up to 80 MHz clock frequency, 4 KB uniform sector architecture, and 1 µA typical power-down current. It enables execute-in-place (XIP) code execution, firmware storage, and parameter retention in space-constrained embedded systems.

For engineers reviewing the W25Q64CVTBIP TR datasheet, W25Q64CVTBIP TR pinout, W25Q64CVTBIP TR application, or W25Q64CVTBIP TR equivalent, key selection criteria include Quad SPI enable (QE bit), hardware write protection via /WP and /HOLD pins, 4KB sector erase granularity, and TFBGA-24 (8×6 mm) package compatibility with industrial temperature range (−40°C to +85°C).

Technical Context

The W25Q64CVTBIP TR implements a SPI-compatible command set with support for Standard (4-wire), Dual I/O (5-wire), and Quad I/O (6-wire) modes - requiring QE bit = 1 in Status Register-2 for Quad operation. Its architecture features 32,768 × 256-byte pages, 2,048 erasable 4KB sectors, and 128 erasable 64KB blocks.

It integrates volatile and non-volatile status registers with programmable block/sector protection (BP2–BP0, TB, SEC), erase/program suspend/resume capability, 64-bit unique ID, SFDP register, and three 256-byte security registers with OTP locks - all accessible via defined instruction opcodes (e.g., 05h/35h read status, 01h write status, EBh fast read Quad I/O).

Key Specifications

Pinout & Package

W25Q64CVTBIP TR is packaged in a 24-ball TFBGA (8×6 mm, package code TC), with ball pitch of 0.8 mm and moisture sensitivity level (MSL) 3 per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

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

Compared with W25Q64CVTBIP TR, MX25L6433FZNI-10G offers higher clock speed but narrower voltage range and no unique ID, while S25FL164K0XMFI010 adds HyperBus support at the cost of incompatible mechanical layout - making W25Q64CVTBIP TR optimal for space-constrained industrial designs needing proven Quad SPI XIP and robust security features.

Availability

W25Q64CVTBIP TR is available at Aetrix Electronics and suitable for industrial HMI firmware storage, automotive ECU boot code, and medical device calibration data requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for W25Q64CVTBIP 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 memory solutions, including serial NOR/NAND flash, RAM, and mobile DRAM.

The W25Q series targets embedded systems requiring high-speed, low-power, and secure non-volatile storage - optimized for code execution, firmware updates, and parameter retention in industrial, automotive, and consumer applications.

FAQ

What is the package type and footprint compatibility of W25Q64CVTBIP TR?

W25Q64CVTBIP TR uses a 24-ball TFBGA package measuring 8 mm × 6 mm with 0.8 mm ball pitch (package code TC). It is mechanically and electrically compatible with standard TFBGA-24 footprints designed for JEDEC MO-276AA, including thermal pad clearance and solder mask definition per Winbond's recommended land pattern. The ball map matches Figure 1e in the datasheet, and no adapter or redesign is needed when replacing other TC-code variants.

Does W25Q64CVTBIP TR support execute-in-place (XIP) operation, and what conditions are required?

Yes, W25Q64CVTBIP TR supports true XIP via Fast Read Quad I/O (EBh) and Continuous Read Mode, enabling CPU instruction fetch directly from flash. To enable XIP, the Quad Enable (QE) bit in Status Register-2 must be set to 1, and the host controller must issue EBh with appropriate dummy cycles. Clock stability, proper /CS timing, and adequate VCC decoupling are mandatory for reliable bus turnaround during instruction fetch.

How does hardware write protection work on W25Q64CVTBIP TR, and can it coexist with software protection?

W25Q64CVTBIP TR provides dual-layer write protection: hardware via the /WP pin (active-low, disables status register writes) and software via Block Protect (BP2–BP0), Top/Bottom (TB), and Security Register Lock bits. When /WP is asserted, it overrides software settings - preventing any status register modification even if BP bits are cleared. This layered approach ensures tamper resistance in safety-critical deployments where both physical and logical access control are required.

What is the role of the SFDP register in W25Q64CVTBIP TR, and how is it accessed?

The SFDP (Serial Flash Discoverable Parameters) register in W25Q64CVTBIP TR is a standardized JEDEC-defined memory-mapped table (accessed via instruction 5Ah) that reports device-specific timing, voltage, and feature capabilities - such as supported Quad SPI modes, erase times, and hold requirements. Host bootloaders use SFDP to auto-configure SPI controllers without hardcoded parameters, improving design portability and reducing qualification effort across W25Q64CVTBIP TR revisions and production lots.

Can W25Q64CVTBIP TR be used in automotive applications, and what qualifications does it meet?

W25Q64CVTBIP TR is rated for industrial temperature (−40°C to +85°C) and meets AEC-Q100 stress test requirements for 10,000 full-chip erase/program cycles. While not officially AEC-Q100 certified as a complete part, its electrical and reliability characteristics align with automotive subsystems such as body control modules and infotainment head units where extended temperature operation and firmware integrity are essential. System-level validation remains the responsibility of the end customer.