ɐ mˈɛmɚɹi kəntɹˈoʊlɚɹ ɪz ɐ dˈɪdʒɪɾəl sˈɜːkɪt ðæt mˈænɪdʒᵻz ðə flˈoʊ ʌv dˈeɪɾə ɡˌoʊɪŋ tʊ ænd fɹʌm ɐ kəmpjˈuːɾɚz mˈeɪn mˈɛmɚɹi.
A memory controller is a digital circuit that manages the flow of data going to and from a computer's main memory.