S8 | SD & eMMC NAND Flash Controller

SD & eMMC Controller for industrial and reliable NAND Flash Storage Solutions

SD & eMMC Controller | S8 NAND Flash Memory Controller

Reliable SD, microSD & eMMC NAND Flash Controller for SD cards, MMCs, eMMC, DoB and eSD storage systems

The Hyperstone S8 NAND Flash Controller offers an easy-to-use turnkey platform for industrial high endurance robust Flash Memory Cards or modules compatible to host systems with (e)SD or (e)MMC interfaces.

  • Designed to satisfy industrial requirements
  • hyReliability™ Flash Management including superior wear leveling, read disturb management, and power fail management ensuring highest reliability and endurance
  • Continuously updated Flash Memory chip support and long term availability
  • Flexible ECC engine supporting all Flash Memory handling
  • High performance on-the-fly AES encryption engine 
  • Custom features can be implemented with simple firmware upgrades
  • 16 GPIO for customer specific applications supporting SDIO 3.0, SPI, I2C, and ISO7816
  • ASSP with minimal external active components
  • Turnkey solution including firmware, manufacturing kit, test and development hardware, as well as reference schematics

Download S8 Product Flyer

Hyperstone S8 NAND Flash Memory Controller

S8 Product Information

Target Application

  • SecureDigital (SD) card
  • microSD and Smart microSD
  • eMMC
  • Legacy MMC and SD cards
  • Embedded flash modules
  • Multi-Chip-Package (MCP)
  • Disk-on-Board

Performance

  • Host transfer rate of up to 104 MB/s in SD 3.0 SDR 104 and eMMC 4.4 DDR modes
  • Sequential read and write up to 90 MB/s using toggle mode or ONFI 2 SLC Flash
  • Sequential read and write up to 60 and 25 MB/s respectively using toggle mode or ONFI 2 MLC Flash
  • 4K random write IOPS: up to 1500 using SLC Flash
  • All SD Speed Classes possible

Host Interface & Compliance

  • Fully compliant to SD 3.0 (UHS-I), SD 2.0 and eSD 2.1
  • CPRM and ASSD 2.0 or Mc-EX can be supported
  • Fully compliant to eMMC 4.4, and MMC 4.2 specifications
  • Support backward compatible, high speed and DDR modes in eMMC 4.4
  • Optional support for eMMC 4.5 features Power-Off Notification, Discard, and Sanitize
  • Supports DS, HS, SDR12, SDR 25, SDR50, SDR104 and DDR50 modes of SD 3.0
  • Host transfer rate of up to 104 MB/s in SD 3.0 SDR104 and eMMC 4.4 DDR modes
  • Hardware support for the C2 encryption and decryption functions (CPRM)
  • On-chip voltage regulator for 1.8V signalling voltage in SD 3.0 transfer modes

Flash Memory Management

  • hyReliability™ Flash Memory Management optimizing reliability, power fail safety, endurance, data retention, and performance
  • Complete Flash Translation Layer (FTL) for random Flash data access including mapping of logical block addresses (LBA) to physical block addresses (PBA)
  • Bad Block Management
  • Static and Global Wear leveling to maximize write endurance
  • Inherent on-the-fly garbage collection
  • Read Disturb Management, dynamic data refresh to maximize data retention and refresh data subject to read disturbance
  • Management of sudden power-fails
  • Interleaving, cache, and multi-plane programming
  • Firmware is stored redundantly for recovery and refresh
  • In-Field Firmware update without user data loss
  • Customized firmware, optimizations und feature implementations possible upon request

Controller & CPU

  • High performance 32-Bit Hyperstone RISC microprocessor
  • Large internal RAM provides firmware flexibility
  • 16 GPIO pins for customer specific applications, multiplexed interface options include: 16 GPIO, SDIO 3.0, SPI, I2C, 4 x CE and ISO7816 
  • Unique ID for security applications
  • AES encryption engine 128 and 256-Bit, ECB, CBC, and XTS modes supported, high performance on-the-fly encryption/decryption
  • Flexible clock frequency generation through internal oscillator and PLL
  • Automatic power down mode during wait periods for host data of Flash Memory operation completion, automatic sleep mode during host inactivity periods
  • On-chip voltage regulator for 1.2V controller core power

Flash Memory & Interface Handling

  • Direct Flash Memory Access (DFA) co-processor including page buffers and interleaving capability
  • Synchronous DDR interface compliant with Toggle DDR and ONFI 2.1, compatible with all DDR Flash Memory devices
  • Asynchronous SDR interface, ONFI 1.0 compliant, compatible with all legacy interface Flashes
  • Data transfer rate to Flash up to 200 MB/s
  • Flexible ECC engine supporting all Flashes
  • CRC for additional reliability
  • Direct connection of up to 8 Flash Memory chip enables (CE) 
  • Flash memory power down logic and Flash Memory write protect control
  • Supporting all Flash technologies and all page sizes up to 16 KB
  • On-chip voltage regulator for 1.8V Flash Memory I/O power

Block Diagram
Hyperstone S8 Block Diagram
Order Information

  • S8-LBK07 (LGA 52, 7.5 x 4.0 x 0.7mm, 4 CEs, RoHs, -40 to +85 °C)
  • S8-0BBD0 (Tested Die / Wafer)

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If you sign an NDA with us, we can give you access to exclusive documents and firmware downloads. Send us an email after you register and we will start the process. 

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Konstanz, Germany 

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+49 7531 9803 0

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info@hyperstone.com

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