Sm3280aa Memory Bar -

Because the SM3280AA is a specific integrated circuit (IC) rather than a brand of finished product, "memory bar" in this context likely refers to one of two things:

Document ID:

TN-SM3280AA-001 Subject: Controller specifications, NAND support, and performance characteristics Target application: High-speed USB memory bar / flash drive sm3280aa memory bar

| Parameter | Specification | |--------------------|--------------------------------------| | Host interface | USB 3.1 Gen 1 (backward compatible with USB 2.0) | | NAND channels | 1 (single channel) | | NAND CE pins | Up to 4 | | Flash protocols | Toggle DDR / ONFI | | ECC engine | Hardware BCH + LDPC (up to 2KB code length) | | Supported NAND | 2D/3D TLC, 3D QLC (e.g., Micron, Kioxia, SK hynix, YMTC) | | Max capacity | 1 TB (common) – 2 TB possible | | Sequential read | Up to 400 MB/s (depending on NAND) | | Sequential write | Up to 200 MB/s (depending on NAND) | | Package | 48-pin QFN / 52-pin QFN (variant) | Because the SM3280AA is a specific integrated circuit

open-source friendly, reflashable USB stick

Strictly speaking, "memory bar" is a colloquialism. Samsung popularized the term "Memory Bar" for their FIT Plus or BAR Plus drives. However, the DIY community has adopted "SM3280AA memory bar" to describe any that uses this controller. 4.2 Random IO

4.2 Random IO