Ambiq
AMA2B1KK-KLR
Apollo2 Blue SoC, 256KB RAM, 64pin LGA
$ 2.11
AMA3B2KK-KBR
Apollo3 Blue Plus SoC 96 MHz, 768KB, BGA
$ 4.23
AMA3B1KK-KBR-B0
Apollo3 Blue SoC, 96 MHz, 384KB, BGA
$ 3.81
AMA3B1KK-KQR-B0
Apollo3 Blue SoC, 96 MHz, 384KB, QFN
AMA3B1KK-KCR-B0
Apollo3 Blue SoC, 96 MHz, 384KB, WLCSP
$ 3.64
AMA3B1KK-KCR-TB
Apollo3 Blue Thin, 96 MHz, 384KB, WLCSP
$ 3.90
AMA4B2KK-KBR-B2
Apollo4 Blue 192 Mhz BLE5.1 131-pin BGA
$ 9.75
AMA4B2KL-KXR
Apollo4 Blue Lite SoC, 192 MHz, 1.4MB
$ 6.21
AMA4B2KP-KXR