Adtec CUD: a new CF-compatible Flash card
Atech Totalsolution released a Compact USB Disk (CUD) memory card compatible with CompactFlash (CF).
Being smaller than CF by 1/3, the novelty can be used in CF-compatible devices via a special cartridge. CUD can be directly connected to a PC or PDA with a USB cable or adapter without any readers.
Currently, according to The Digitimes, CF solutions possess 54% of the market, followed by Memory Stick (25%), Secure Digital (10%), SmartMedia (8%) and MultiMedia Card (MMC) — 3%.
| Standards summary (Atech version) |
| | CUD | CF | MS | SD | SM | MMC | XD |
| Transfer speed | IDE: 16.6Mb/s
USB: 60Mb/s | 16.6Mb/s
Parallel | 2.45Mb/s
Serial | 2Mb/s
Serial | 10Mb/s
Parallel | 2Mb/s
Serial | 1.3Mb/s
Serial |
| Transfer format | Serial
Byte/Word | Byte/Word | Serial | Serial | Byte | Serial | Serial |
| Max. Capacity | 512Mb | 1Gb | 512Mb | 256Mb | 128Mb | 256Mb | N/A |
| Size, mm | 30 x 23 x 2.9 | 36 x 43 x 3.3 | 50 x 21.5 x 2.8 | 32 x 24 x 2.1 | 45 x 37 x 0.8 | 32 x 24 x 1.4 | 20 x 25 x 1.7 |
| Weight, g | 2.8 | 10.0 | 4.0 | 2.5 | 2.0 | 1.5 | 1.2 |
| Host | Int. USB controller | Reader |
| Pinout | 68 | 50 | 10 | 9 | 22 | 7 | 18 |
| Protection | Yes | No | Yes | Yes | No | No | N/A |
| License | Free | Free | Paid | Paid | Paid | Paid | N/A |
Source: The DigiTimes
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