Real Time Clock (RTC) IC Portable System Controller 3-Wire Serial 20-TSSOP (0.173", 4.40mm Width)..
Buck-Boost Switching Regulator IC Negative Adjustable 0V 1 Output 300mA 14-DIP (0.300", 7.62mm)..
Buck Switching Regulator IC Positive Adjustable (Fixed) 1V (3.3V) 1 Output 2.5A 16-TSSOP (0.173", 4...