F59L4G81XB-25BIAG2X

4Gb NAND Flash Auto.
Part Description

SLC NAND Flash Memory, 4 Gbit, Automotive

Quantity 1,216 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerESMT
Manufacturing StatusMP
Manufacturer Standard Lead TimeRFQ
Datasheet

Specifications & Environmental

Device PackageBGA-63Memory FormatFLASHTechnologyNAND Flash - SLC
Memory Size4 GbitAccess Time20 nsGradeAutomotive
Clock FrequencyN/AVoltage2.7V ~ 3.6VMemory TypeNon-Volatile
Operating Temperature-40°C – 105°CWrite Cycle Time Word Page200 µsPackaging63-BGA
Mounting MethodSurface MountMemory InterfaceParallelMemory Organization512M x 8
Moisture Sensitivity Level3RoHS ComplianceCompliantREACH ComplianceREACH Unknown
QualificationAEC-Q100ECCNEAR99HTS Code8542.32.00.71

Overview of F59L4G81XB-25BIAG2X – SLC NAND Flash Memory, 4 Gbit, Automotive

The F59L4G81XB-25BIAG2X from ESMT is a 4.295 Gbit single-level cell (SLC) NAND Flash memory organized as 512M × 8. It implements an asynchronous parallel NAND interface and supports ONFI 1.0 protocol features for high-throughput I/O in embedded systems.

Designed and qualified for automotive use (AEC-Q100), this device delivers durable non-volatile storage with wide operating conditions and integrated error management options, making it suitable for applications that require reliable code and data retention across harsh environments.

Key Features

  • Memory Core  SLC NAND Flash technology with 4.295 Gbit capacity organized as 512M × 8 and a page size of 4,352 bytes (4,096 + 256).
  • Performance  Asynchronous parallel I/O with 20 ns access time and RC/WC timing of 25 ns; read and program page performance available with on-die ECC enabled or disabled.
  • Program/Erase Timing  Typical program page time 200 µs (with on-die ECC disabled) and typical erase block time 2 ms; read page times documented for ECC-enabled and disabled modes.
  • Interface & Command Set  ONFI 1.0-compliant command set with advanced features including program/read page cache modes, internal data move, and standard NAND control signals (CE#, CLE, ALE, WE#, RE#).
  • Reliability & Endurance  Endurance rated at 100,000 program/erase cycles and uncycled data retention of 10 years at 70°C; includes an 8-bit internal ECC that is disabled by default and can be toggled via SET FEATURE.
  • Security & Management  Permanent block locking (blocks 47:0), one-time programmable (OTP) mode, block lock and read unique ID functions for data protection and traceability.
  • Power  Wide operating supply range of 2.7 V to 3.6 V for flexible system integration.
  • Package & Temperature  63-ball BGA package (BGA-63) with surface-mount mounting and an operating temperature range of −40°C to 105°C.
  • Automotive Qualification  AEC-Q100 qualification and automotive grade classification documented in product data.

Typical Applications

  • Automotive Systems  Non-volatile code and data storage for control units, infotainment, telematics and other automotive electronic subsystems requiring AEC-Q100 qualification.
  • Industrial Embedded Storage  Reliable program and data storage in industrial controllers and data-logging devices operating across −40°C to 105°C.
  • System Firmware and Boot Storage  Storage of boot images, firmware and system code where endurance (100,000 P/E cycles) and long-term retention are required.

Unique Advantages

  • Automotive-grade qualification: AEC-Q100 qualification and automotive grade classification support deployment in safety- and reliability-focused vehicle electronics.
  • SLC endurance and retention: 100,000 program/erase cycles and 10-year uncycled data retention at 70°C provide long-term reliability for persistent storage.
  • Flexible ECC control: On-die 8-bit ECC is provided and can be toggled to suit system error-management strategies.
  • Large page architecture: 4,352-byte page (4,096 + 256) and 64-page blocks enable efficient large-block data transfers and cache-mode operations.
  • Wide voltage support: 2.7 V–3.6 V supply range simplifies integration with common automotive and industrial power rails.
  • Compact BGA package: 63-ball BGA surface-mount package optimizes board area while providing robust mechanical characteristics for harsh environments.

Why Choose F59L4G81XB-25BIAG2X?

The F59L4G81XB-25BIAG2X combines SLC NAND endurance and ONFI-compatible parallel I/O architecture with automotive-grade qualification to deliver a dependable non-volatile storage option for embedded systems. Its combination of wide operating voltage, broad temperature range, configurable on-die ECC and comprehensive NAND features—such as OTP, block locking and cache modes—makes it suitable for demanding automotive and industrial applications that require reliable code and data retention.

Manufactured by ESMT and supplied in a compact 63-ball BGA package, this part is intended for design teams seeking a proven SLC NAND solution with clear endurance and retention specifications and documented operational timings for system-level integration.

Request a quote or submit an RFQ for the F59L4G81XB-25BIAG2X to begin procurement or evaluation for your next embedded storage application.

Request a Quote

















    No file selected



    Our team will respond within 24 hours.


    I agree to receive newsletters and promotional emails. I can unsubscribe at any time.

    Certifications and Membership
    NQA AS9100 CMYK ANAB
    NQA AS9100 ANAB Badge
    ESD2020 Badge
    ESD2020 Association Badge
    GIDEP Badge
    GIDEP Badge
    Suntsu ERAI MemberVerification
    Suntsu ERAI Member Verification
    Available Shipping Methods
    FedEx
    UPS
    DHL
    Accepted Payment Methods
    American Express
    American Express
    Discover
    Discover
    MasterCard
    MasterCard
    Visa
    Visa
    UnionPay
    UnionPay

    Date Founded: 1998


    Headquarters: Hsinchu Science Park, Hsinchu, Taiwan


    Employees: 400+


    Revenue: $377.8 Million


    Certifications and Memberships: N/A


    Featured Products
    Latest News
    keyboard_arrow_up