Digital Tape Format is a magnetic tape data storage format developed by Sony. It uses a 1/2" wide tape, in a cassette with two reels, which is written and read with a helical scan process. The format is described by the ECMA 248 (adopted June 1998) and ISO/IEC 15731 standards. There are two sizes of tape cassettes, "S" and "L".
| Generation | DTF-1 | DTF-2 | |
|---|---|---|---|
| Release Date | 1994 | 1999 | |
| "S" Capacity (GB) | 12 | 60 | |
| "L" Capacity (GB) | 42 | 200 | |
| Max Speed (MB/s) | 12 | 24 |
Notes: