Winbond Electronics Corporation W29N02KZBIBF TR

Overview

W29N02KZBIBF TR from Winbond is a 2G-bit (256MB) SLC NAND Flash memory operating at 1.7–1.95V, organized into 2,048 blocks × 64 pages × 2,176 bytes (2048+128), supporting x8 bus interface and standard NAND command set including Copy Back and Two-Plane operations for embedded storage in space-constrained systems.

For engineers reviewing the W29N02KZBIBF TR datasheet, W29N02KZBIBF TR pinout, W29N02KZBIBF TR application, or W29N02KZBIBF TR equivalent, key selection criteria include 1.8V single-supply operation, 25μs random read latency, 250μs typical page program time, 2ms block erase time, and support for ONFI-compatible control signaling with CLE/ALE/#CE/#WE/#RE/RY-BY.

Technical Context

This device implements a multiplexed x8 I/O bus architecture where address, command, and data share the same 8-bit pins under control of CLE (Command Latch Enable) and ALE (Address Latch Enable). It uses asynchronous timing with discrete control signals and supports two-plane concurrent operations to improve throughput without requiring external clocking.

The W29N02KZBIBF TR employs Single-Level Cell (SLC) technology with 60,000 program/erase cycles and 10-year data retention at industrial temperature (−40°C to +85°C), relying on external ECC (minimum 4-bit/544-byte) for error correction - no internal ECC engine is integrated.

Key Specifications

Pinout & Package

W29N02KZBIBF TR is packaged in a 48-ball VFBGA (package code D, ball pitch 0.8mm, body size 9.0 × 7.0 mm), pin-compatible with other W29N02KZ/W variants in the same footprint. All Vcc and Vss balls must be connected per datasheet requirement; DNU and N.C. balls are unconnected and must remain floating.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MT29F2G08ABAEAH4-IT:E and TC58CVG2S3HRAIJ, the W29N02KZBIBF TR offers native 1.8V operation in compact 48-ball VFBGA with full ONFI compatibility - reducing BOM count and enabling drop-in replacement in new 1.8V controller designs without voltage translation or timing revalidation.

Availability

W29N02KZBIBF TR is available at Aetrix Electronics and suitable for industrial HMI storage, medical data logging, automotive telematics ECUs, and smart meter firmware vaults requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for W29N02KZBIBF 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 NOR/NAND Flash, SRAM, and mobile DRAM for industrial, automotive, and consumer applications.

The W29N02KZ/W series targets embedded systems needing high-density, low-power, and thermally robust NAND storage - designed specifically for code execution, firmware updates, and mission-critical data logging in resource-constrained environments.

FAQ

What is the correct power-up sequence for W29N02KZBIBF TR?

The W29N02KZBIBF TR requires strict adherence to the power-on timing: Vcc must stabilize between 1.7V–1.95V before applying any control signals. The device mandates t_PU ≥ 100μs from Vcc reaching 1.7V to first valid #CE low assertion. Failure to observe this causes undefined behavior or initialization failure. Always reference Figure 10-1 in the official datasheet for exact voltage ramp and delay requirements for W29N02KZBIBF TR.

Does W29N02KZBIBF TR include an integrated ECC engine?

No, W29N02KZBIBF TR does not integrate hardware ECC. It relies entirely on external controller-based ECC - specifically requiring ≥4-bit correction per 544-byte sector as stated in the endurance specification. Host firmware must implement BCH or RS decoding aligned to the 2048+128 byte page structure. This design choice keeps die size and cost low but places ECC responsibility on the system-level controller for W29N02KZBIBF TR.

Can W29N02KZBIBF TR operate in x16 mode?

No, W29N02KZBIBF TR is the x8-bus variant of the W29N02KZ/W family (per ordering code suffix 'Z'). The x16 version is designated W29N02KW. Pinout, timing, and command behavior differ between x8 and x16 variants - using W29N02KZBIBF TR in an x16 interface will result in communication failure. Confirm bus width via part number before PCB layout for W29N02KZBIBF TR.

What is the function of the DNU pins on W29N02KZBIBF TR?

DNU (Do Not Use) pins on W29N02KZBIBF TR - such as balls A1, A2, B1, B2 in the 48-ball VFBGA - are reserved for future feature extension and must remain unconnected. Unlike N.C. (No Connect) pins, DNUs are explicitly prohibited from being tied to Vcc, Vss, or signals. Connecting them may cause functional failure or latent reliability issues per Winbond's design guidance for W29N02KZBIBF TR.

How is block invalidation managed in W29N02KZBIBF TR?

W29N02KZBIBF TR uses factory-programmed initial invalid block markers stored in the first two pages of each block. Runtime bad block detection follows ONFI-standard methods: failed program/erase operations trigger marking via the spare area. Host firmware must maintain a bad block table and skip invalid blocks during logical-to-physical address translation. No automatic remapping is performed internally by W29N02KZBIBF TR - full management resides in the host controller.