China Chips Star Semiconductor Co., Ltd.
Domestic storage chip professional brand dedicated to becoming a pioneer in storage manufacturing
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TF Card Specification
| High Speed Memory Card | Memory Card |
| Controller | AS/AK:16GB-256GB,SA:256GB-2TB |
| Interface | SD6.1 |
| Capacity | 16GB/32GB/64GB/128GB/256GB/512GB/1TB: UHS-I |
| Working Voltage | 2.7V-3.6V:16GB-256GB,3.3V/1.8V:512GB-2TB |
| Speed Level | C10, U3, V30, A1, A2 |
| Reading and Writing Speed | A1:read speed 90MB/s；write speed 50MB/s(TLC) |
| Reading and Writing Speed | A2:read speed 180MB/s；write speed 135MB/s(TLC) |
| File System | 16GB-32GB:FAT32；64GB-2TB:exFAT |
| Compatibility Standards | Compatible with SD(XC) supporting host devices |
| Operating Temperature Range | 0°C-70°C |
| Storage Temperature Range | -25°C-85°C |
TF card (TransFlash card) is the old name of microSD card, commonly used in mobile phones, tablets, digital cameras, drones, portable game consoles and other devices. It is a small removable memory card, usually 15mm x 11mm x 1mm, which is much smaller than a normal SD card and is suitable for devices that require small storage media.
Relationship between TF card and microSD card
Originally, TF cards were introduced by SanDisk in 2004 as a smaller storage medium than SD cards. Later, the SD Association standardized the TF card and renamed it microSD card, thus becoming the standard name in the market.
Although the name has changed, "TF card" and "microSD card" refer to the same card, but with different names. Now, it is generally called microSD card in the market, and "TF card" is more of a historical name.
TF card classification
TF card (microSD card) can be divided into several types according to the different storage capacity and performance: