nrf51-series

nRF51422 IC revisions and variants

This section shows the packet and memory variants for each nRF51422 IC revision.

Table 1. nRF51422 IC revisions and variants
nRF51422 IC revision1 Packet variant2 Build code2 Package Flash [kB]1 RAM [kB]1
1 QF AA C0 QFN48 256 16
CE AA A0A WLCSP
2 QF AA Ex03 QFN48 256 16
QF AB A00 128
CE AA Bx03 WLCSP 256
3 QF AA Fx03 QFN48 256 16
QF AB Bx03 128
QF AC Ax03 256 32
CD AB Ax03 WLCSP 128 16
CE AA Cx03 256
CF AC Ax03 32
Parent topic: nRF51 Series Compatibility Matrix
1 nRF51 IC revision, RAM size, and Flash size can be retrieved by calling the nrf_ic_info_get function in the ic_info library in nRF51 SDK 8.1.0+.
2 Packet variant and the first two digits in the build code can be read from markings on top of the nRF51 IC.
3 The x in the build code is 0..9 for production release.