SanDisk SDSDQAB-008G 8GB MicroSDHC Memory Card Class 4 UHS-I Industrial Grade TF Card

SDSDQAB-008G Product Overview

The SDSDQAB-008G is an 8GB MicroSDHC memory card from SanDisk brand, part of the SDSDQAB series. SDSDQAB-008G complies with the SD 2.0 specification and supports the UHS-I (Ultra High-Speed-I) bus interface. SDSDQAB-008G Featuring MLC NAND flash technology for reliable performance, it comes in a BGA package suitable for space-constrained embedded applications. SDSDQAB-008G Operating within a temperature range of -25℃ to +85℃, SDSDQAB-008G offers Class 4 speed rating with sequential read speeds up to 20MB/s and sequential write speeds up to 5MB/s. SDSDQAB-008G is widely used in industrial control, embedded systems, smart devices, and security surveillance.

SDSDQAB-008G Key Features

SDSDQAB-008G 8GB Storage Capacity: Provides 8GB storage space for operating systems, applications, and critical data.

SDSDQAB-008G MLC NAND Flash: MLC NAND technology offers higher endurance and better data retention compared to TLC.

SDSDQAB-008G SD 2.0 / UHS-I Interface: Complies with SD 2.0 specification with UHS-I bus interface support.

BGA Package: BGA package for space-constrained PCB designs and embedded applications.

Wide Voltage & Dual Voltage Compatibility: Supports 2.7V to 3.6V wide operating voltage.

Wide Temperature Range: Supports -25℃ to +85℃ operating temperature.

SDSDQAB-008G Class 4 Speed Rating: Sequential read speeds up to 20MB/s, sequential write speeds up to 5MB/s.

SDSDQAB-008G High Endurance: Supports up to 3,000 write cycles per block with a total of 4,096 blocks.

SDSDQAB-008G Applications

The SDSDQAB-008G MicroSDHC memory card is widely used in:

Industrial Control & Automation: PLCs, industrial PCs, HMI, industrial motherboards

Embedded Systems: SBCs, system-on-modules, embedded Linux storage

Smart Devices: Smart home, IoT gateways, smart sensors

Security Surveillance: Surveillance equipment, dashcams, security cameras

Communications & Networking: Routers, switches, network modules

Portable Devices: Personal data storage, home entertainment systems

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FAQ:

1 What is the SDSDQAB-008G chip
It is an 8GB eMMC embedded multimedia storage chip from SanDisk featuring a BGA package and is widely used for system storage in industrial control and consumer electronic devices.

2 What is the storage capacity of SDSDQAB-008G chip
The storage capacity is 8GB which can meet the storage needs of low to mid range embedded operating systems application firmware and related configuration data.

3 What package and physical dimensions does SDSDQAB-008G use
It adopts a standard BGA ball grid array package that complies with JEDEC eMMC industry standards and has a compact footprint suitable for high density SMT PCBA designs.

4 Which storage interface standard does SDSDQAB-008G support
It supports the eMMC 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
The main power supply voltage is 2 point 7 volts to 3 point 6 volts and the I/O interface voltage supports dual modes of 1 point 8 volts or 3 point 3 volts. The operating temperature range is from minus 25 degrees Celsius to plus 85 degrees Celsius.

6 How is SDSDQAB-008G read and write performance
It offers good sequential read and write performance and supports standard high speed transmission modes effectively improving the system boot speed and program loading responsiveness of embedded devices.

7 What application scenarios is SDSDQAB-008G chip suitable for
It is widely used in set top boxes smart TVs routers IoT gateway terminals industrial PLC controllers and various automotive infotainment systems.

8 How is SDSDQAB-008G long term reliability and lifespan
It integrates internal hardware error correction bad block management and dynamic and static wear leveling mechanisms providing excellent erase endurance and long term operational reliability.

9 What are the PCB design considerations when using SDSDQAB-008G chip
PCB routing must strictly control the impedance and length matching of the eMMC traces especially for clock data and data strobe lines and sufficient decoupling capacitors must be placed near the power pins to ensure signal integrity.

10 How to program firmware onto SDSDQAB-008G chip
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 supporting erase write and verify operations.