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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Winbond Electronics Corporation W29N02KVSIAF TR

Name: W29N02KVSIAF TR
Brand: Winbond Electronics Corporation
SKU: W29N02KVSIAF TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: W29N02KVSIAF TR

Manufacturer:: Winbond Electronics Corporation

Category:: Memory

Package:: 48-TFSOP (0.724", 18.40mm Width)

Datasheet:: W29N02KVSIAF TR.pdf

Description:: IC FLASH 2GBIT 48-TSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

W29N02KVSIAF from Winbond is a 2G-bit (256MB) SLC NAND Flash memory in 48-pin TSOP1 package, operating at 2.7–3.6V with x8 multiplexed I/O interface. It delivers 25μs random read access, 250μs typical page program time, and 2ms block erase time, supporting two-plane operations and Copy Back for embedded storage in space-constrained systems.

For engineers reviewing the W29N02KVSIAF datasheet, W29N02KVSIAF pinout, W29N02KVSIAF application, or W29N02KVSIAF equivalent, key selection criteria include its industrial temperature range (−40°C to +85°C), 60,000 program/erase cycles with 4-bit/544-byte ECC, ONFI-compatible command set, and support for OTP and Block Lock features via SET/GET FEATURES commands.

Technical Context

The W29N02KVSIAF implements a standard NAND architecture with dual-plane operation-each plane containing 1,024 blocks of 64 pages (2,176 bytes/page), enabling concurrent read/program across planes. Its command interface uses CLE/ALE control with multiplexed I/O[0–7] and five dedicated control signals (#CE, #WE, #RE, #WP, RY/#BY).

It supports ONFI 2.3–compatible timing modes including EDO-style serial data output, enhanced status reporting (78h), and parameter page reads (ECh). Internal logic includes a high-voltage generator, row/column decoders, and a 2,176-byte data register, all managed by a dedicated logic control unit with status register feedback.

Key Specifications

Parameter	Value and Actual Design Meaning
Density	2G-bit / 256MB total capacity; enables compact firmware/image storage without external expansion.
Page Size	2,176 bytes (2,048B main + 128B spare); spare area reserved for ECC metadata and bad-block management.
Block Size	64 pages × 2,176 bytes = 139,264 bytes; defines minimum erasable unit for wear leveling and FTL mapping.
Endurance	60,000 P/E cycles (with 4-bit/544-byte ECC); ensures long-term reliability in frequent-write embedded logging applications.
Data Retention	10 years at 85°C; validated for industrial deployments where thermal stress impacts nonvolatile retention.
Random Read Time	25 μs max; determines latency for small-code fetches (e.g., boot loader fragments or configuration tables).
Sequential Read Cycle	25 ns min; enables high-throughput media streaming when reading contiguous pages.

Pinout & Package

W29N02KVSIAF is packaged in a 48-pin TSOP1 (12 mm × 20 mm, package code S), compliant with JEDEC MO-142. All Vcc and Vss pins must be externally connected; DNU pins are unconnected and NC pins may be left floating or driven.

Pin/Terminal	Circuit Role	Design Meaning
#CE	Chip Enable	Active-low global enable; places device in standby (10 μA) when high, enabling power gating in low-power systems.
#WE	Write Enable	Rising-edge latch control for commands, addresses, and input data; synchronizes all write-phase transfers.
#RE	Read Enable	Falling-edge triggered serial output; tREA = 25 μs delay defines minimum read access timing for host controller design.
ALE	Address Latch Enable	Signals address transfer on I/O bus; used during column/row address cycles per ONFI addressing protocol.
CLE	Command Latch Enable	Signals command transfer on I/O bus; required before issuing commands like 00h (read), 80h (program), 60h (erase).
RY/#BY	Ready/Busy Output	Open-drain status indicator; low = active operation (read/program/erase), critical for polling-based host firmware.
I/O[0–7]	Multiplexed Data Bus	Bi-directional x8 interface carrying commands, addresses, and data; requires external bus arbitration and timing control.
#WP	Write Protect Input	Hardware lock: active-low disables all program/erase operations, preventing accidental corruption during power transitions.

Key Features

Feature	Design Value
Two-Plane Operation	Enables concurrent read or program across even/odd block planes, reducing effective latency by up to 50% in sequential access patterns.
Copy Back Command	Allows internal page-to-page move without host data transfer, accelerating wear-leveling and garbage collection in flash translation layers.
ONFI-Compatible Interface	Supports standardized timing (e.g., EDO mode), command set (78h status, ECh parameter page), and feature registers for interoperability with ONFI-aware controllers.
OTP Area Support	Provides one-time programmable region for secure boot keys or calibration data; accessible only via vendor-specific GET/SET FEATURES commands.
Block Lock Functionality	Permits software-defined locking/unlocking of individual blocks to protect critical firmware partitions from overwrite or erase.

Applications

Industrial HMI Storage	Embedded Boot Media
Use Scenario: Storing firmware images, GUI assets, and configuration databases in panel-mounted HMIs exposed to wide temperature swings. IC Role / Device Role / Timing Role: Nonvolatile code and data storage with direct XIP-capable read access via memory-mapped NAND controller. Use Value: 10-year data retention at 85°C and −40°C to +85°C operation ensure reliable field deployment without refresh cycles.	Use Scenario: Hosting bootloader, kernel, and root filesystem in resource-constrained edge gateways with no external SPI NOR or eMMC. IC Role / Device Role / Timing Role: Primary boot medium interfaced through NAND controller IP (e.g., ARM PL353 or custom SoC logic). Use Value: 256MB density and 25μs random read enable fast cold boot (<500ms) while supporting robust ECC-based error correction.
Telematics Data Logger	Medical Device Firmware Vault
Use Scenario: Capturing CAN bus logs, GPS traces, and sensor snapshots in automotive telematics units with limited PCB real estate. IC Role / Device Role / Timing Role: High-endurance write buffer with Copy Back acceleration for background garbage collection during idle intervals. Use Value: 60,000 P/E cycles and two-plane operation sustain >5 years of daily logging at 100KB/hour without premature wear-out.	Use Scenario: Securing FDA-compliant firmware updates and calibration constants in portable diagnostic equipment requiring tamper resistance. IC Role / Device Role / Timing Role: Trusted storage partition leveraging OTP and Block Lock to prevent unauthorized modification of safety-critical code. Use Value: Hardware-enforced write protection (#WP) and software-lockable blocks eliminate risk of field update corruption or rollback attacks.

Industrial HMI Storage

Embedded Boot Media

Use Scenario: Storing firmware images, GUI assets, and configuration databases in panel-mounted HMIs exposed to wide temperature swings.

IC Role / Device Role / Timing Role: Nonvolatile code and data storage with direct XIP-capable read access via memory-mapped NAND controller.

Use Value: 10-year data retention at 85°C and −40°C to +85°C operation ensure reliable field deployment without refresh cycles.

Use Scenario: Hosting bootloader, kernel, and root filesystem in resource-constrained edge gateways with no external SPI NOR or eMMC.

IC Role / Device Role / Timing Role: Primary boot medium interfaced through NAND controller IP (e.g., ARM PL353 or custom SoC logic).

Use Value: 256MB density and 25μs random read enable fast cold boot (<500ms) while supporting robust ECC-based error correction.

Telematics Data Logger

Medical Device Firmware Vault

Use Scenario: Capturing CAN bus logs, GPS traces, and sensor snapshots in automotive telematics units with limited PCB real estate.

IC Role / Device Role / Timing Role: High-endurance write buffer with Copy Back acceleration for background garbage collection during idle intervals.

Use Value: 60,000 P/E cycles and two-plane operation sustain >5 years of daily logging at 100KB/hour without premature wear-out.

Use Scenario: Securing FDA-compliant firmware updates and calibration constants in portable diagnostic equipment requiring tamper resistance.

IC Role / Device Role / Timing Role: Trusted storage partition leveraging OTP and Block Lock to prevent unauthorized modification of safety-critical code.

Use Value: Hardware-enforced write protection (#WP) and software-lockable blocks eliminate risk of field update corruption or rollback attacks.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MT29F2G08ABAEAH4-IT:E	2G-bit SLC NAND, 48-pin TSOP1, but uses Micron's proprietary command extensions and lacks native ONFI 2.3 support.	Requires custom driver adaptation; no built-in Copy Back or two-plane read; lower endurance (50k cycles).	Prefer W29N02KVSIAF when ONFI compliance, Copy Back, or higher endurance is required.
TC58NVG2S3HTAI0	2G-bit SLC NAND in 48-ball VFBGA (not TSOP1); supports ONFI 2.3 but has different pinout and timing margins (tRC = 25ns vs. 30ns).	Requires PCB redesign for ball-grid layout; better suited for high-density portable designs where footprint matters more than legacy TSOP compatibility.	Choose W29N02KVSIAF for drop-in replacement in existing TSOP1-based designs with minimal layout change.

Compared with MT29F2G08ABAEAH4-IT:E and TC58NVG2S3HTAI0, the W29N02KVSIAF offers superior ONFI 2.3 interoperability, integrated Copy Back acceleration, and higher endurance-making it optimal for industrial firmware storage where command standardization and long-term reliability are prioritized over form-factor miniaturization.

Availability

W29N02KVSIAF is available at Aetrix Electronics and suitable for industrial HMI storage, embedded boot media, telematics data logging, and medical device firmware vaults requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for W29N02KVSIAF 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 NOR/NAND Flash, SRAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.

The W29N02KVSIAF belongs to Winbond's W29N02KV series of SLC NAND Flash devices, engineered for high-reliability embedded storage in environments demanding extended temperature operation, long data retention, and robust ECC-ready interfaces.

FAQ

What is the operating voltage range for the W29N02KVSIAF?

The W29N02KVSIAF operates across a single 2.7V to 3.6V supply rail. This wide Vcc range allows direct integration with 3.3V system rails while tolerating brown-out conditions down to 2.7V without data corruption or command failure-critical for battery-backed or unregulated power domains where the W29N02KVSIAF remains functional during transient dips.

Does the W29N02KVSIAF support hardware write protection?

Yes, the W29N02KVSIAF includes a dedicated #WP (Write Protect) pin that, when driven low, disables all program and erase operations-including page programming, block erasure, and feature register writes. This hardware lock operates independently of internal state or command execution, providing fail-safe protection against accidental firmware overwrite during power-up sequences or software faults involving the W29N02KVSIAF.

How many program/erase cycles is the W29N02KVSIAF rated for?

The W29N02KVSIAF is rated for 60,000 program/erase cycles per block when used with a 4-bit/544-byte ECC scheme. This endurance rating is validated under industrial temperature conditions (−40°C to +85°C) and reflects actual field reliability-not just lab-accelerated testing-making the W29N02KVSIAF suitable for applications such as daily firmware logging or over-the-air update staging where repeated block rewrites occur.

What package type does the W29N02KVSIAF use?

The W29N02KVSIAF uses a 48-pin TSOP1 (Thin Small Outline Package, Type I) with 12 mm × 20 mm dimensions and standard lead pitch. This package is compatible with conventional surface-mount assembly processes and provides mechanical robustness for vibration-prone industrial environments-unlike VFBGA variants, the TSOP1 variant avoids solder joint reliability concerns in thermal cycling scenarios where the W29N02KVSIAF is deployed.

Can the W29N02KVSIAF be used in two-plane mode?

Yes, the W29N02KVSIAF supports true two-plane operation: it contains two independent 1,024-block planes (even- and odd-numbered blocks), allowing concurrent read or program operations across planes. This capability reduces effective latency-for example, initiating a read in Plane 0 while completing a program in Plane 1-enabling higher throughput in FTL-managed storage stacks where the W29N02KVSIAF serves as the physical layer.

W29N02KVSIAF TR Specifications

Product attributes: Attribute value

Manufacturer:: Winbond Electronics Corporation

Series:: -

Package/Case:: 48-TFSOP (0.724", 18.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Memory Type:: Non-Volatile

Memory Format:: FLASH

Technology:: FLASH - NAND (SLC)

Memory Size:: 2Gbit

Memory Organization:: 256M x 8

Memory Interface:: -

Clock Frequency:: -

Write Cycle Time - Word, Page:: 25ns

Access Time:: 20 ns

Voltage - Supply:: 2.7V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-TSOP

W29N02KVSIAF TR FAQ

1.How can I place an order for W29N02KVSIAF TR through Aetrix?

Please submit a Request for Quotation (RFQ) for W29N02KVSIAF TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for W29N02KVSIAF TR reliable?

The price and inventory of W29N02KVSIAF TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W29N02KVSIAF TR is usually 5 days.

3.What payment methods are accepted for W29N02KVSIAF TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W29N02KVSIAF TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for W29N02KVSIAF TR?

W29N02KVSIAF TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your W29N02KVSIAF TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for W29N02KVSIAF TR?

For technical support, including W29N02KVSIAF TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W29N02KVSIAF TR requirements.

6.How does Aetrix verify that W29N02KVSIAF TR is sourced from the original manufacturer or authorized distributors?

All W29N02KVSIAF TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that W29N02KVSIAF TR meets industry standards.

7.What is the process for return or replacement of W29N02KVSIAF TR?

All W29N02KVSIAF TR units undergo pre-shipment inspection (PSI). If there is an issue with W29N02KVSIAF TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The W29N02KVSIAF TR part is unused and in its original packaging.

Return procedure for W29N02KVSIAF TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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