https://devzone.nordicsemi.com/f/nordic-q-a/84029/nrf51802-and-51822-belong-to-which-kind-of-integrated-circuitHi Monolithic integrated circuit,multichip integrated circuit and hybrid integrated circuit.nRF51802 and 51822 belong to which one of the foregoing?en-USTelligent Community 13Tue, 25 Jan 2022 15:47:48 GMThttps://devzone.nordicsemi.com/thread/349611?ContentTypeID=1Tue, 25 Jan 2022 15:47:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:24636b8c-7b22-4aa1-b30f-4c277188fb9bMartin Sivertsen<p>Hello Helen,</p> <p>The <a href="https://infocenter.nordicsemi.com/pdf/nRF51802_PS_v1.2.pdf?cp=5_5_0_0">nRF51802</a> and <a href="https://infocenter.nordicsemi.com/pdf/nRF51422_PS_v3.3.pdf?cp=5_6_0_0">nRF51822</a> are perhaps best described by the term monolithic integrated circuit from the terms you presented, but we describe them by the term System on Chip (SoC), with a CPU, memory and radio all on the same silicon die.</p> <p>Best regards,</p> <p>Martin S.</p><div style="clear:both;"></div>