I.on [美 ɑn, ɔn, 英 ɒn]介词on often appears as the second element of certain verb structures in English (count on, lay on, sign on, etc). For translations, see the relevant verb entry (count, lay, sign, etc).
The album received enormous amounts of critical praise from street press around the country, however radio failed to latch on and inevitably record sales failed to match the expectations.
The input stage (the two latches on the left) processes the clock and data signals to ensure correct input signals for the output stage (the single latch on the right).