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SanDisk SDSDQAF3-008G-I 8GB Industrial MicroSDHC Memory Card Class 10 UHS-I Wide Temperature MLC Flash
SDSDQAF3-008G-I 8GB Product Overview
The SDSDQAF3-008G-I is an 8GB industrial-grade MicroSDHC memory card from SanDisk brand, part of the SDSDQAF3 series. Featuring MLC (Multi-Level Cell) NAND flash technology, it supports the UHS-I (SDR104) bus interface, delivering sequential read speeds up to 80MB/s and sequential write speeds up to 50MB/s. The card complies with Speed Class 10 and U1 speed ratings. SDSDQAF3-008G-I operating from 2.7V to 3.6V with a temperature range of -25℃ to +85℃, it measures 15mm × 11mm × 1mm. The card features waterproof, shockproof, and X-ray proof durability. With MLC NAND flash technology for high reliability and endurance, combined with advanced flash management firmware including Wear Leveling, ECC, and Power Immunity, SDSDQAF3-008G-I is widely used in industrial control, embedded systems, security surveillance, medical devices, and IoT applications requiring high reliability and wide-temperature operation.
SDSDQAF3-008G-I 8GB Key Features
The SDSDQAF3-008G-I is an 8GB MicroSD memory card featuring MLC NAND flash, which delivers higher endurance and better data retention compared to TLC. SDSDQAF3-008G-I supports the UHS-I (SDR104) bus interface with read speeds up to 80MB/s and write speeds up to 50MB/s, and complies with Speed Class 10 and U1 ratings, making it suitable for HD video recording and high‑speed data transfer. Built on 2D NAND technology and compliant with the SD 5.1 interface standard, it operates over a wide voltage range of 2.7V to 3.6V and a temperature range of –25℃ to +85℃. SDSDQAF3-008G-I compact MicroSD form factor (15mm × 11mm × 1mm) facilitates integration, while its rugged design includes waterproof, shockproof, and X‑ray proof durability. SDSDQAF3-008G-I Advanced flash management features such as wear leveling, ECC, and power immunity are integrated to ensure data integrity and long‑term reliability, and the product is fully RoHS and REACH compliant.
SDSDQAF3-008G-I 8GB Applications
The SDSDQAF3-008G-I industrial MicroSDHC memory card is widely used in:
Industrial Control & Automation: PLCs, industrial PCs, HMI, industrial motherboards
Security Surveillance: Surveillance cameras, dashcams, security recording equipment
Embedded Systems: SBCs, system-on-modules, embedded Linux storage
Medical Devices: Patient monitors, diagnostic equipment, portable medical instruments
IoT & Edge Computing: IoT gateways, industrial IoT devices, smart sensors
Communications & Networking: Routers, switches, network modules
Portable Devices: Personal data storage, home entertainment systems
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FAQ:
1 What is the SDSDQAF3-008G-I chip
The SDSDQAF3-008G-I is an 8GB industrial grade eMMC embedded multimedia storage chip from SanDisk featuring a BGA ball grid array package and is designed for high reliability system storage.
2 What is the storage capacity of SDSDQAF3-008G-I chip
The SDSDQAF3-008G-I provides a storage capacity of 8GB which can meet the basic storage needs of small to medium sized embedded operating systems application firmware configuration parameters and log files.
3 What package and physical dimensions does SDSDQAF3-008G-I use
The SDSDQAF3-008G-I adopts a standard BGA ball grid array package that fully complies with JEDEC eMMC industry standards and has a compact footprint suitable for high density surface mount PCBA designs.
4 Which storage interface standard does SDSDQAF3-008G-I support
The SDSDQAF3-008G-I supports the eMMC 5.1 high speed interface standard and is backward compatible with earlier versions communicating with the host controller via a standard 8 bit parallel data bus.
5 What are the operating voltage and temperature ranges
For the SDSDQAF3-008G-I, the main power supply voltage VCC is 2 point 7 volts to 3 point 6 volts and the I/O interface voltage VCCQ supports dual modes of 1 point 8 volts or 3 point 3 volts. With the -I suffix it is an industrial grade version with an operating temperature range from minus 40 degrees Celsius to plus 85 degrees Celsius.
6 How is SDSDQAF3-008G-I read and write performance
The SDSDQAF3-008G-I supports mainstream high speed transmission modes such as HS200 and HS400 offering excellent sequential read and write performance which effectively improves system boot speed firmware loading and storage throughput of embedded devices.
7 What application scenarios is SDSDQAF3-008G-I chip suitable for
With its wide temperature range the SDSDQAF3-008G-I is widely used in industrial automation PLC controllers IoT edge gateways smart security monitoring devices communication base station modules and various automotive infotainment systems.
8 How is SDSDQAF3-008G-I long term reliability and lifespan
The SDSDQAF3-008G-I integrates advanced hardware error correction codes bad block management and dynamic and static wear leveling mechanisms providing excellent erase endurance and long term reliability suitable for complex industrial environments.
9 What are the PCB design considerations when using SDSDQAF3-008G-I chip
For the SDSDQAF3-008G-I, PCB routing must strictly control the impedance and length matching of the eMMC traces especially for clock data and data strobe lines. Additionally sufficient decoupling capacitors must be placed near the power pins to ensure high frequency signal integrity.
10 How to program firmware onto SDSDQAF3-008G-I chip
For the SDSDQAF3-008G-I, firmware can be programmed for mass production online via the eMMC protocol supported by the host controller or pre programmed offline using professional programmers before surface mounting. The SDSDQAF3-008G-I supports standard operations such as firmware erase write and verify.
- Model Number:
- SDSDQAF3-008G-I
- Brand:
- SanDisk
- Product Type:
- MicroSDHC Memory Card
- Storage Capacity:
- 8GB
- Operating Temperature:
- -25℃ ~ +85℃
- Interface Standard:
- SD 5.1，UHS-I（SDR104）
- Speed Class:
- Class 10 / U1
- I/O Voltage:
- 2.7V ~ 3.6V
- Application Areas:
- Industrial Control, Security Surveillance, Embedded Systems, Medical Devices, IoT
- NAND Technology:
- 2D NAND
