Delay line memory is a form of computer memory, now obsolete, that was used on some of the earliest digital computers. Like many modern forms of electronic computer memory, delay line memory was a refreshable memory, but as opposed to modern random-access memory, delay line memory was sequential-access.Clock/Timing - Delay Lines are in stock at Tenco Electronics. Tenco offers inventory, pricing, & datasheets for Clock/Timing - Delay Lines. To know more, please view our large section of Clock/Timing - Delay Lines below.