| NAND Type | Read (MB/s) | Write (MB/s) | 4K Random Read (IOPS) | |-----------|-------------|--------------|------------------------| | 64L TLC (2D) | 180 | 45 | 3200 | | 96L TLC (3D) | 200 | 85 | 4200 | | 128L QLC | 160 | 30 | 2800 |
Measured with 128 GB capacity, USB 3.1 Gen 1 port, FAT32/exFAT.
To understand the firstchip chipyc2019’s success, you have to understand the “promotional USB drive” industry. Companies ordering 10,000 custom-printed USB sticks for a trade show or software distribution need the lowest cost per unit. The bill of materials (BOM) for a 16GB drive using a ChipYC2019 might be:
That same drive with a Silicon Motion controller could cost $1.80. When you order 100,000 units, the ChipYC2019 saves $70,000. That math is irresistible for promotional goods manufacturers. firstchip chipyc2019
The FirstChip ChipYC2019 is a workhorse controller for cost-sensitive USB 3.0 flash drives. While it lacks advanced features like hardware encryption or LDPC, its combination of decent speed, wide NAND compatibility, and mature production tools makes it a popular choice for high-volume flash drive manufacturing. Enthusiasts and repair technicians frequently encounter this chip when recovering counterfeit drives or building custom USB storage.
For firmware downloads and the latest MP tools, refer to the official FirstChip support portal or reputable flash drive communities (e.g., USBDev.ru, FlashBoot.ru).
The FirstChip chipYC2019 is a common USB 2.0 mass storage controller often found in budget-friendly flash drives, including those from unbranded manufacturers or low-cost sellers. It is technically identical to or part of the FC1178/FC1179 series of controllers. Technical Overview | NAND Type | Read (MB/s) | Write
Controller Vendor: FirstChip (also associated with Appotech). Protocol: USB 2.0 (High Speed).
Common Identifiers: Often displays a VID of FFFF and PID of 1201.
Memory Compatibility: Frequently paired with Hynix, SanDisk, or Samsung TLC NAND flash. That same drive with a Silicon Motion controller
Market Usage: It is often used in drives that report "fake" capacities (e.g., a 32GB physical chip programmed to show 2TB). Common Issues & Troubleshooting
Drives with the YC2019 controller frequently suffer from "No Media," "0GB Capacity," or write-protection errors.
FirstChip chipYC2019 USB Shows 0GB Capacity Issue - Elektroda
A robust 72-bit BCH ECC engine per 1KB of data ensures reliable operation with modern 3D TLC and QLC NAND, which have higher bit error rates than planar MLC.