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".
Generations
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: Both used ALDC compression DTF-2 used Fibre Channel or SCSI interfaces The tape cassettes are similar to those of Sony Betacam.
External links ECMA 248 Specification of DTF-1. ECMA 315 Specification of DTF-2. Brochure for DTF-1 drive with specs DTF at the Computer Desktop Encyclopedia, including images
References