F59L2G81XA-25TG2B

The F59L2G81XA-25TG2B is a single-level cell (SLC) NAND Flash device offering 2.147 Gbit (256M × 8) non-volatile storage in a low-pin-count, surface-mount TSOPI-48 package. Built on ONFI 1.0-compliant NAND architecture with an asynchronous parallel I/O interface, it is intended for embedded designs that require reliable, high-endurance flash storage with straightforward board-level integration.

Key value lies in its SLC endurance and retention characteristics, compact TSOPI packaging and flexible 2.7 V–3.6 V supply range (3.3 V nominal), making it suitable for commercial-temperature embedded storage and firmware applications where program/erase longevity and predictable performance matter.

Key Features

• Memory Core 2.147 Gbit SLC NAND organized as 256M × 8 with device size of 2,048 blocks and two planes (2 planes × 1,024 blocks per plane).
• Page and Block Organization 2,176-byte page size (2,048 data + 128 spare) and 64-page block size (128K + 8K bytes) to support efficient page/program and block/erase operations.
• Performance Asynchronous I/O timing offered with a 25 ns device speed option; typical array timings include 25 µs read page, 200 µs program page (typical), and 2 ms erase block (typical).
• Endurance & Retention Designed for durability with 100,000 program/erase cycles and an uncycled data retention specification of 10 years (JESD47G-compliant retention guidance included in datasheet).
• Interface & Protocol Parallel 8-bit I/O with standard NAND control signals (CE#, CLE, ALE, WE#, RE#) and ONFI NAND Flash Protocol command set compatibility.
• Advanced Functional Features Program/read cache modes, permanent block locking (blocks 47:0), OTP mode, read unique ID, programmable drive strength, internal data move within a plane, operation status byte and Ready/Busy# (R/B#) signaling.
• Power & Voltage Operates across a 2.7 V to 3.6 V supply range (3.3 V nominal).
• Package & Temperature Surface-mount TSOPI-48 package (12 mm × 20 mm body, 0.5 mm pitch) with commercial operating temperature range of 0 °C to +70 °C. RoHS compliant.

Typical Applications

• Embedded Systems: Reliable non-volatile storage for firmware, boot code and application data in commercial embedded designs.
• Consumer Electronics: Compact SLC NAND for devices requiring durable flash memory and a low pin-count interface.
• Networking & Communications: On-board storage for configuration, firmware images and log data where predictable program/erase endurance is needed.
• Point-of-Sale & Handheld Devices: Small TSOPI package and 3.3 V operation suit compact, battery-powered or handheld systems with commercial-temperature requirements.

Unique Advantages

• High Endurance SLC Technology: 100,000 program/erase cycles provide long device lifetime for demanding write workloads.
• ONFI 1.0 Compatibility: Standardized NAND protocol simplifies host integration and firmware support for common NAND command sets.
• Efficient Block/Page Geometry: 2,176-byte page and 64-page block organization optimize program and erase efficiency for firmware and file-like storage.
• Operational Visibility: Status byte, R/B# and write-protect (WP#) signals allow both software and hardware methods to detect operation completion and protect device contents.
• Compact, Surface-Mount Package: TSOPI-48 package reduces board footprint while maintaining a stable, industry-standard pinout for density upgrades.
• Wide Supply Range: 2.7 V–3.6 V operation (3.3 V nominal) supports common system power rails without additional regulators.

Why Choose F59L2G81XA-25TG2B?

The F59L2G81XA-25TG2B positions itself as a robust commercial-grade SLC NAND Flash option where program/erase endurance, data retention and predictable timing are required. Its ONFI-compliant interface and comprehensive command feature set make integration straightforward for embedded and consumer applications that need reliable non-volatile storage.

Designers seeking a compact TSOPI-48 package, a 3.3 V-compatible supply window and detailed functional controls (block locking, OTP, status reporting, programmable drive strength) will find this device suitable for scalable memory implementations and long-term firmware/storage deployment.

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