EPROMs had a limited but large number of erase cycles; the silicon dioxide around the gates would accumulate damage from each cycle, making the chip unreliable after several thousand cycles.
EPROM ima ograničen ali veliki broj ciklusa brisanja;silicijum dioksid oko kapija akumulirao bi oštećenje svakog ciklusa, praveći čip nepouzdanim posle nekoliko hiljada ciklusa.