SN8F2250B is a 8-bit microcontroller (MCU) utilized CMOS technology and featured with low power consumption and high performance by its unique electronic structure. It is designed with the excellent IC structure including the program memory up to 10K-word Flash ROM, data memory of 512-byte RAM, 8-level stack buffers, four timers (T0, T1, TC0 and TC1), a watchdog timer, a SIO transceiver, and a low-speed USB SIE

Part No.	Chinese data sheet	ROM (16bit)	RAM (8bit)	Stack	IO	ADC	DAC	Timer	PWM Buzzer	SIO	LCD	Interrupt Int Ext	Package	Other Features
SN8F22511B	SN8F22511B	10K	512	8	8	-	-	4	-	1	-	7/1	SSOP16	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F2251B	SN8F2251B	10K	512	8	8	-	-	4	-	1	-	7/0	QFN16	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F22521B	SN8F22521B	10K	512	8	12	-	-	4	2	1	-	7/2	SOP20/SSOP20	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F22531B	SN8F22531B	10K	512	8	16	-	-	4	2	1	-	7/2	QFN24	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F2253B	SN8F2253B	10K	512	8	16	-	-	4	2	1	-	7/2	SOP24	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F2255B	SN8F2255B	10K	512	8	24			4	2	1		7/2	LQFP32	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F2271B	SN8F2271B	5K	192	8	10								QFN	Full speed USB2.0 ,Support Control/3 Interrupt
SN8F22721B	SN8F22721B	5K	192	8	14								DIP/SOP/SSOP	Full speed USB2.0 ,Support Control/3 Interrupt