SanDisk iNAND Flash and microSD

Application Scenarios and Selection Guidelines

mobile device

Flagship phone/tablet: Choose iNAND 7350 (256GB) for maximum capacity and fastest read-write, supporting high frame rate gaming and 4K video editing.

Mid end mobile phone: iNAND 7232 provides balanced capacity and video recording performance, or uses A1 microSD card as expandable internal storage.

Entry level phone: iNAND 7250 (8-64GB) paired with A1 microSD card for an acceptable experience at the lowest cost.

Industrial and Embedded Systems

Industrial control panel, HMI: iNAND 7250 wide temperature design (-25 ° C~85 ° C), ensures stable operation in the factory environment.

In car infotainment: iNAND 7250 or 7350 (depending on temperature requirements), paired with Edge microSD card for map data storage.

Monitoring and edge computing

Security camera: Edge microSD card supports U3/V30, continuous writing without frame drop, and 3D NAND ensures erase life.

Driving recorder: Edge microSD (-25 ° C~85 ° C) can withstand high temperatures inside the car, and 64GB can record several hours of loop videos.

Drone aerial photography: Edge microSD with high capacity (256GB) stores 60 hours of Full HD video, meeting long-term tasks.

Consumer electronics peripherals

Gaming handheld consoles and tablets: The A1 microSD card can be used as an internal storage extension to install large games and applications.

Digital camera: Edge or A1 card is suitable for high bitrate video recording.

Ecological Cooperation and Standardization

SanDisk collaborates closely with device manufacturers, operating system suppliers, mobile network operators, system integrators, chipset providers, and application developers to optimize the iNAND embedded flash product portfolio for next-generation devices. For example, conducting compatibility testing with chip manufacturers such as Qualcomm and MediaTek to ensure the performance of iNAND on Snapdragon and Dimensity platforms. Meanwhile, SanDisk's active participation in JEDEC (defining e.MMC/UFS standards) and SD Association (defining microSD standards) has enabled it to proactively lay out new technology specifications, such as the evolution from e.MMC 5.0 to 5.1, and the definition of A1/A2 application performance levels.

Ordering information and packaging precautions

The document provides examples of ordering codes for some iNAND models:

iNAND 7350: SDINBDD4-32G (32GB), SDINBDD4-64G, SDINBDD4-128G, SDINBDD4-256G

iNAND 7232: SDINADF4-32G-L/H (32GB), 64G, 128G

iNAND 7250: SDINBDG4-8G (8GB), 16G, 32G, 64G

The microSD card model starts with SDSDQ, with different suffixes representing different speed levels and capacities. In terms of packaging, all iNAND products are small VFBGA packages measuring 11.5mm x 13mm, with a thickness controlled within 1.2mm, suitable for ultra-thin device design. Design engineers should refer to the latest data manual to confirm the pin layout and soldering temperature curve.