Winbond Electronics Corporation W29N01HVDINA

Overview

W29N01HVDINA from Winbond is a 1G-bit (128MB) SLC NAND Flash memory operating at 2.7V–3.6V, organized into 1,024 erasable blocks of 135,168 bytes each (64 × 2,112-byte pages), with x8 multiplexed I/O interface and standard NAND command set including COPY BACK. It delivers 25ns sequential read cycle time and supports industrial temperature range (−40°C to +85°C) for embedded storage in space-constrained systems.

For engineers reviewing the W29N01HVDINA datasheet, W29N01HVDINA pinout, W29N01HVDINA application, or W29N01HVDINA equivalent, key selection considerations include its 48-ball VFBGA (D-code) package, 100,000 program/erase cycles with 1-bit/528-byte ECC, RY/#BY open-drain status signaling, and support for RANDOM DATA OUTPUT (05h/E0h) within loaded pages - critical for firmware update and media buffering use cases.

Technical Context

The W29N01HVDINA implements a standard NAND architecture with separate Command Latch Enable (CLE) and Address Latch Enable (ALE) signals enabling time-multiplexed command/address/data transfer over eight bidirectional I/O lines. Its control logic interprets ONFI-compatible commands (e.g., 00h/30h page read, 80h/10h page program, 60h/D0h block erase) and manages internal high-voltage generation for programming and erasing.

It features dedicated #WP input for hardware write protection, open-drain RY/#BY output for asynchronous operation monitoring, and supports both serial access (with tREA = 25 ns) and random column access within a page. The device uses Single-Level Cell (SLC) technology, delivering deterministic timing and endurance without wear-leveling controller dependency.

Key Specifications

Pinout & Package

W29N01HVDINA is packaged in a 48-ball Very Fine-Pitch Ball Grid Array (VFBGA) with Package Code D (9 mm × 11 mm footprint, 0.8 mm ball pitch), optimized for high-density PCB layouts in portable and industrial controllers.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NAND Flash memory applications.

Compared with MT29F1G08ABAEAH4 and TC58NVG1S3ETA00, W29N01HVDINA uniquely combines industrial temperature rating, 25 ns read performance, and single 3.3 V supply in a pin-compatible 48-ball VFBGA - making it optimal for ruggedized embedded designs where reliability and design simplicity are prioritized over marginal speed gains or commercial-only deployment.

Availability

W29N01HVDINA is available at Aetrix Electronics and suitable for firmware storage, media buffering, industrial HMI logging, and automotive telematics data logging requiring stable component supply across extended product lifecycles.

Supply support for W29N01HVDINA 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 manufacturer specializing in specialty memory solutions, including NOR/NAND Flash, SRAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.

The W29N series is designed specifically for embedded systems requiring high-reliability, low-pin-count NAND Flash with SLC endurance and industrial temperature operation - targeting boot code, firmware, and mission-critical data logging.

FAQ

What is the package type and footprint of W29N01HVDINA?

W29N01HVDINA uses a 48-ball Very Fine-Pitch Ball Grid Array (VFBGA) with Package Code D, measuring 9 mm × 11 mm with 0.8 mm ball pitch. This compact footprint supports high-density PCB layouts in space-constrained embedded applications such as industrial controllers and portable medical devices. The pinout matches Winbond's standard x8 NAND interface layout for seamless integration with existing NAND host controllers.

Does W29N01HVDINA support ONFI commands and parameter page reading?

Yes, W29N01HVDINA supports ONFI 1.0-compatible commands including READ ID (90h with 20h address) and READ PARAMETER PAGE (ECh). The parameter page provides standardized fields for manufacturer ID, device model (W29N01HV), page size (2,048 + 64 bytes), timing parameters, and feature flags - enabling automatic driver initialization and compatibility verification in Linux MTD and bare-metal bootloaders.

What is the endurance specification of W29N01HVDINA and how is it achieved?

W29N01HVDINA guarantees 100,000 program/erase cycles, validated under 1-bit-per-528-byte ECC correction. This endurance is intrinsic to its Single-Level Cell (SLC) NAND architecture and is achievable without external wear leveling - though host-level management further extends usable life. The specification assumes proper command sequencing, voltage compliance, and thermal operation within −40°C to +85°C.

How does the RY/#BY pin function in W29N01HVDINA and what design considerations apply?

The RY/#BY pin on W29N01HVDINA is an open-drain output indicating device busy status: low during active read, program, or erase operations; high when idle or ready. Designers must use an external pull-up resistor (typically 4.7 kΩ to Vcc) and treat the signal as asynchronous - polling is supported, but interrupt-driven handling requires debouncing due to potential noise during high-current transitions inside the chip.

Can W29N01HVDINA be used for random-access reads within a page, and how is this implemented?

Yes, W29N01HVDINA supports RANDOM DATA OUTPUT via the 05h/E0h command sequence after a PAGE READ (00h/30h). This allows reading arbitrary column addresses within the currently loaded page without reloading the entire page - reducing latency for metadata access or partial firmware updates. Each 05h + 2-byte column address + E0h sequence enables one or more #RE toggles to output selected bytes sequentially.