A1 NAND Flash Memory Controller

Reliable NAND Flash Controller for Industrial Embedded Storage Solutions

A1 | NAND Flash Memory Controller

CF / PATA NAND Flash Memory Controller for Industrial Embedded Storage Solutions

The Hyperstone A1 NAND flash memory controller together with flash specific firmware offers an easy-to-use turnkey platform for high endurance robust flash cards and disks such as CF cards and PATA SSDs.

  • Dedicated industrial CF card controller
  • Patented superior read and write wear leveling together with up to 24-Bit ECC ensuring highest reliability and endurance
  • Exceptional power fail robustness
  • Optimized 32-Bit RISC core, instruction set and firmware for flash handling
  • 2 channel controller provides optimal performance for target applications
  • Most power efficient design together with power saving features
  • S.M.A.R.T. features supported
  • Custom features can be implemented with simple firmware upgrades
  • ASSP with minimal external active components
  • Turnkey solution including firmware, manufacturing kit, test and development hardware, and reference schematics for applications such as CFC, 2.5" PATA solid state disk (SSD)

Download A1 Product Flyer

Hyperstone A1 NAND Flash Memory Controller

Product Information

Target Application

  • High reliability & industrial CompactFlash Cards (CFC)
  • High reliability & industrial PATA Solid State Disks (SSD)
  • PATA Disk-on-Modules (DoM)
  • Embedded Flash Disk or Multi-Chip-Modules (MCM)
  • Multi-Chip-Package (MCP)
  • Disk-on-Board


  • Sustained read up to 60 MB/s
  • Sustained write up to 60 MB/s
  • 4K random write IOPS: up to maximim of 300 depending on TRIM and flash
  • Host data transfer rate in PIO mode 6 or MDMA mode 4 up to 25 MB/s
  • Host data transfer rate in UDMA mode 6 up to 133 MB/s
  • CF current consumption < 100mA

Host Interface & Compliance

  • Fully compliant to CompactFlash 4.1 and compatible to 5.0 specifications
  • Fast ATA supporting PIO mode6, MDMA mode 4, UDMA mode 6 in True-IDE mode
  • PCMCIA specification version 2.1
  • Configurable as removable, hot swappable, and fixed drive
  • Memory mapped or I/O operation
  • Automatic sensing of PCMCIA or True-IDE mode
  • PCMCIA attribute memory
  • PCMCIA configuration option register, card configuration and status register and pin replacement register support
  • Support for SMART Commands

Controller & CPU

  • High performance 32-Bit Hyperstone RISC microprocessor
  • Large internal RAM provides firmware flexibility
  • ISO7816 interface for SmartCard applications
  • ISO7816 pins can also be used as GPIO for customer specific applications
  • Supply voltage power-down detection for full power-down robustness
  • Capacitor buffered power down and write recovery possible
  • Supply voltage 3.3V and 5V tolerant host side I/O
  • Flash memory interface supply voltage 3.3V

Flash Memory & Interface Handling

  • 2 channel with dedicated direct flash memory access (DFA) units including sector buffers and interleaving capability
  • Supporting all control signals for NAND type flash memory connection
  • Asynchronous SDR interface, ONFI 1.0 compliant and compatible with ONFI 2.x.
  • Supporting direct connection of up to 16 flash memory chip enables (CE) - eight per channel
  • Flash memory power down logic and flash memory write protect control
  • BCH Error Correcting Code (ECC) capable of correcting 6 or 8 Bit in a 512 bytes sector and 24 Bit in a 1024 bytes double-sector with additional CRC
  • Support for all available SLC flash technologies including (2x and 1x) and certain MLC flashes (2x)
  • Supporting page sizes of up to 8 KB
  • Flash management including mapping of logical block addresses (LBA) to corresponding physical block addresses (PBA)
  • Bad Block Management
  • Static and Global Wear leveling to maximize write endurance
  • Inherent on-the-fly garbage collection
  • Read Wear leveling to maximize data retention and refresh data subject to read disturbance
    Management of sudden power-fails
  • Interleaving, cache, and multi-plane programming
  • Firmware can be stored redundantly for recovery and for periodic refresh
  • Future Flashes can be supported by simple firmware upgrades
  • Customized firmware, optimizations and feature implementations possible upon request

Block Diagram
Hyperstone A1 Block Diagram
Order Information

  • A1-LBT06 (TQFP 128, 16 CEs, RoHS, 0 to +70 °C)
  • A1-ILBT06 (TQFP 128, 16 CEs, RoHS, -40 to +85 °C)
  • A1-LBT06U (TQFP 128, 8 CEs, ISO7816 I/F, RoHS, 0 to +70 °C)
  • A1-ILBT06U (TQFP 128, 8 CEs, ISO7816 I/F, RoHS, -40 to +85 °C)
  • A1-ILBL07 (LQFP 144, 16 CEs, RoHS, -40 to +85 °C)
  • A1-0BBD0 (Tested Die / Wafer)

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European Sales Team

Konstanz, Germany

American Sales Team

Mission Viejo, California

Asia Pacific Sales Team

Taipei City, Taiwan