Noun
(aviation and travel) Initialism of ticket time limit.
(computing, networking) Initialism of time to live.
(electronics) Initialism of transistor–transistor logic.
Source: en.wiktionary.orgA dedicated voltage comparator chip such as LM339 is designed to interface with a digital logic interface (to a TTL or a CMOS ). Source: Internet
As microprocessors became more functional, TTL devices became important for "glue logic" applications, such as fast bus drivers on a motherboard, which tie together the function blocks realized in VLSI elements. Source: Internet
As a noteworthy consequence of this distributed and caching architecture, changes to DNS records do not propagate throughout the network immediately, but require all caches to expire and refresh after the TTL. Source: Internet
Although they did not contain any microprocessors, but were built around transistor-transistor logic (TTL), Hewlett-Packard calculators as far back as 1968 had various levels of programmability such that could be called microcomputers. Source: Internet
A smaller, less expensive model, the KS10, was introduced in 1978, using TTL and Am2901 bit-slice components and including the PDP-11 Unibus to connect peripherals. Source: Internet
An n-channel MOS integrated circuit could operate two or three times faster and was compatible with TTL. Source: Internet