SFSD004GN1AM1TO-I-5E-22P-STD
Flash Memory Card, 3D pSLC, microSDHC Card, UHS-1, Class 10, 4 GB, S-56u Series
- Manufacturer: SWISSBIT
- Product type: Flash Memory Cards
- Available until stocks are exhausted Alternative available
- SVHC: No SVHC (15-Jan-2018)
- App Rating: -
- UHS Standard: UHS-I U1
- Product Range: S-58u Series
- Memory Capacity: 4GB
- Video Speed Class: -
- Supply Voltage Nom: -
- Standard Speed Class: Class 10
- Flash Memory Card Type: MicroSDHC Card
- Operating Temperature Max: 85°C
- Operating Temperature Min: -40°C
| Delivery and price | |
|---|---|
| Units per pack | 100 |
| Price | 24.51 € |
| Current stock | 10+ |
| Lead time | 30 days |
Product Fact Sheet
**Industrial microSDHC / SDXC Memory Card**
**S-56u High reliability series** UHS-I Interface, 3D pSLC-mode
Extended and Industrial Temperature Grade
Date: August 17, 2020 Revision: 1.02
## **Product Fact Sheet S-56u High reliability series**
## **Product Summary**
- Capacities: 4 GBytes, 8 GBytes, 16 GBytes, 32 GBytes
- Form Factor: Standard microSD Memory card form factor - 15.0mm x 11.0mm x 0.7mm (1.0mm)
- Compliance[1] : Fully compliant with SD Memory Card specification 6.10
- SDHC high speed mode, UHS-I
- Speed class 10/U3/V30/A2 according SD6.10 specification
- SD2.0 backward compliant
- FAT32 / exFAT preformatted
- Environmental: RoHS / REACH Compliant
- Compatibility: Support SD SPI mode
- Performance (max. capacity):
- Read performance: sequential read up to 95 MBytes/s
- Write performance: sequential write up to 80 MBytes/s
- SDR12, SDR25, SDR50, SDR104, DDR50 mode
- Operating Temperature Range[2] :
- Extended: -25 °C to 85 °C
- Industrial: -40 °C to 85 °C
- Storage Temperature Range: -40 °C to 85 °C
- Operating Voltage: 2.7…3.6V
- Data Retention[3] : 10 years @ life begin; 1 year @ life end
- Error Correction: Advanced ECC (Error Correction Code)
- Mean Time Between Failure (MTBF): > 2,000,000 hours
- Number of insertions: up to 20,000
## **Product Features**
- High performance 6.10 specification
- SD burst up to 104MB/s
- SD Normal speed 0…25MHz clock rate
- SD High speed 25…50MHz clock rate
- SD UHS-I speed 0...50MHz (DDR) and 0…208MHz (SDR)
- Power Supply: (Low-power CMOS technology)
- 2.7…3.6V normal operating voltage
- Optimized FW algorithms especially for read/write access, highest random write performance and best endurance with long data retention.
- Designed for usage in applications with highest requirements regarding reliability like data logging, POS/POI, Medical and other demanding use-cases.
- Especially suitable for intensive read/write operations
- Advanced power-off reliability technology
- Wear Leveling technology Equal wear leveling of static and dynamic data. The wear leveling assures that dynamic data as well as static data is balanced evenly across the memory. With that the maximum write endurance of the device is guaranteed
- The S-56u High Reliability Series is optimized for high read/write traffic for demanding industrial applications. The series is especially developed for high random write performance and best endurance.
> 1 The verification of host system and storage device compatibility is in customer’s responsibility. Swissbit can provide guidance and support on request.
> 2 @Ambient temperature
> 3 NAND Flash data retention and endurance characteristics are defined according to JEDEC JESD47 and JESD22. The endurance limits of the storage shall be monitored by the life time information and simulated before field usage by the customer.
Swissbit AG Industriestrasse 4 CH-9552 Bronschhofen Switzerland
Revision: 1.02 Template: Doc-3581 File: S-56u-High-Reliabiliy_fact_sheet_SD-NxAx_STD_Rev102 Page 2 of 3
www.swissbit.com industrial@swissbit.com
## **Product Fact Sheet S-56u High reliability series**
- Read Disturb Management
- The read commands are monitored and the content is refreshed when critical levels have occurred
- Data Care Management
- The interruptible background process maintain the user data for Read Disturb effects or Retention degradation due to high temperature effects
- Near miss ECC technology
- Minimize the risk of uncorrectable bit failure over the product life time. Each read command analyzes the ECC margin level and refresh data if necessary
- Diagnostic features with Life Time Monitoring tool support
- High reliability
- The product is optimized for long life cycle that requires superior data retention because of high temperature mission profile
- FW is designed to ensure highest reliability at lowest possible DPPM rates
- Number of card insertions/removals up to 20,000
- Industrial Temperature range -40° up to 85°C inclusive full cross temperature support[4]
- SIP (System In Package) process for extreme dust, water and ESD proof
- Controlled BOM & PCN process
- Controlled “Locked” BOM & PCN process
- Customized options like CID registers, CPRM keys, firmware incl. settings and marking on request
- Manufactured in a TS 16949 certified factory
- In-field firmware update[5]
- Swissbit Life Time Monitoring (SBLTM) Tool and SDK for SBLTM (on request)
## **Order Information**
|Density|Part Number|Part Number|Flash<br>Technology|
|---|---|---|---|
||Extended Temperature: -25°C to +85°C|Industrial Temperature: -40°C to +85°C||
|4GB|SFSD004GN1AM1TO-E-5E-21P-STD|SFSD004GN1AM1TO-I-5E-21P-STD|3D NAND Flash<br>pSLC-mode|
|8GB|SFSD008GN1AM1TO-E-5E-21P-STD|SFSD008GN1AM1TO-I-5E-21P-STD||
|16GB|SFSD016GN1AM1TO-E-ZK-21P-STD|SFSD016GN1AM1TO-I-ZK-21P-STD||
|32GB|SFSD032GN1AM1TO-E-ZK-21P-STD|SFSD032GN1AM1TO-I-ZK-21P-STD||
## Why Swissbit?
Swissbit is focused on the design, development, manufacture, and support of leading edge memory and storage solutions for the worldwide OEM/ODM marketplace. As a global supplier, Swissbit recognizes and addressees the higher level of application requirements of today’s industrial, Netcom, and automotive customers by providing best-in-class products and services, with uncompromised attention to driving overall value and quality.
> 4 Cross temp. stability of 125Kelvin: Feasible temperature difference between write/read of same data, e.g. write @-40°C, read @85°C. 5 The support of In-Field FW update capabilities on host systems is recommended.
Swissbit AG Industriestrasse 4 CH-9552 Bronschhofen Switzerland
Revision: 1.02 Template: Doc-3581 File: S-56u-High-Reliabiliy_fact_sheet_SD-NxAx_STD_Rev102 Page 3 of 3
www.swissbit.com industrial@swissbit.com
Updated at June 3, 2026
Swissbit is a premier independent European manufacturer specializing in industrial-grade storage and embedded IoT solutions. Founded in 2001, the company is globally recognized for engineering highly reliable products designed to meet the rigorous demands of the industrial, automotive, telecommunications, and medical sectors. With manufacturing operations rooted in Germany, Swissbit delivers exceptional quality, long-term component availability, and custom optimization for mission-critical applications. The core of the company's offering centers on advanced semiconductor memory solutions, with a strong emphasis on high-performance flash memory cards. These robust storage options, which include industrial SD cards, microSD memory cards, and CompactFlash, are specifically engineered to provide secure, reliable data retention in extreme operating environments. Swissbit's flash memory products integrate sophisticated wear-leveling and error-correction technologies to guarantee maximum endurance and data integrity over extended product lifecycles. Beyond portable flash memory cards, Swissbit's comprehensive storage ecosystem encompasses managed NAND BGAs, USB flash drives, and a wide array of solid-state drives across multiple interfaces. By combining cutting-edge packaging expertise with hardware-based security features, Swissbit empowers design engineers to reliably store and protect sensitive data across the entire spectrum of modern connected devices.
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