Specification	SCH3222-SX

Applications	I/O Controller
Core Processor	8042 Keyboard Controller
Interface	LPC, Serial, UART, IrDA, Parallel
Mounting Type	Surface Mount
Number of I/O	23
Operating Temperature (Max)	70 °C
Operating Temperature (Min)	0 °C
Package / Case	84-WFBGA
Package Length	7 mm
Package Name	84-WFBGA
Package Width	7 mm
Program Memory Size (ROM)	2 kB
Program Memory Type	ROM
RAM Size Depth	256
RAM Size Width	8 bit

SCH3222 Series

Part	RAM Size Width	RAM Size Depth	Interface	Mounting Type	Applications	Package Name	Package Length	Package Width	Program Memory Type	Program Memory Size (ROM)	Number of I/O	Operating Temperature (Max)	Operating Temperature (Min)	Core Processor	Package / Case
Microchip Technology SCH3222I-SX-TR	8 bit	256	IrDA LPC Parallel Serial UART	Surface Mount	I/O Controller	84-WFBGA	7 mm	7 mm	ROM	2 kB	23	85 °C	-40 °C	8042 Keyboard Controller	84-WFBGA
Microchip Technology SCH3222-SX	8 bit	256	IrDA LPC Parallel Serial UART	Surface Mount	I/O Controller	84-WFBGA	7 mm	7 mm	ROM	2 kB	23	70 °C	0 °C	8042 Keyboard Controller	84-WFBGA
Microchip Technology SCH3222-SX-TR	8 bit	256	IrDA LPC Parallel Serial UART	Surface Mount	I/O Controller	84-WFBGA	7 mm	7 mm	ROM	2 kB	23	70 °C	0 °C	8042 Keyboard Controller	84-WFBGA

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