SEMR Techonolgy ( China & HK ) Co.,LTD.

Part Number	Suggested Alternative†	# QTouch™ Channels	# QMatrix™ Channels	(W)heel or (S)lider	Packages	Temp (°C)
QTouch™ Chips QTouch devices are digital charge-transfer ICs designed to detect touch using a single connection between the sensor chip and a simple key electrode. These chips are best suited for low key count applications up to 10 keys.
QT100		1			SOT23-6	-40~85
QT102		1			SOT23-6	-40~85
QT110	QT100	1			DIP8, SO8	0~70, -40~85
QT113	QT100	1			DIP8, SO8	0~70, -40~85
QT118H	QT100	1			DIP8, SO8	0~70, -40~85
QT220		2			SSOP20	-40~85
QT240		4			SSOP20	-40~85
QT1080	QT1081	8			QFN32	-40~85
QT1081		8			QFN32	-40~85
QT1101	QT1103	10			QFN32	-40~85
QT1103 *		10			QFN32	-40~85
QMatrix™ Chips QMatrix devices are digital charge-transfer (QT) ICs designed to detect touch using a scanned, passive matrix of electrode sets to achieve a large number of touch keys driven by a single chip. More...
QT60160			16		MLF32	-40~85
QT60168			16		TQFP32	-40~105
QT60240			24		MLF32	-40~85
QT60248			24		TQFP32	-40~105
QT60326			32		TQFP44	-40~105
QT60486			48		TQFP44	-40~105
Wheel & Slider Chips
QT411				S	TSSOP14	-40~85
QT511				W	TSSOP14	-40~85
QT1106		7		W or S	QFN32	-40~85

† These alternatives are less expensive and use simpler circuitry; they are therefore better for new designs.
* Release Q3 2007