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LM8333

Part Number	LM8333
Manufacturer	National Semiconductor
Description	Keypad Controller
Published	Nov 12, 2006
Detailed Description	www.DataSheet4U.com LM8333 Keypad Controller with I/O Expansion and ACCESS.bus Host Interface September 2006 LM8333 K...
Datasheet	LM8333 PDF File

Overview

www.
DataSheet4U.
com LM8333 Keypad Controller with I/O Expansion and ACCESS.
bus Host Interface September 2006 LM8333 Keypad Controller with I/O Expansion and ACCESS.
bus Host Interface 1.
0 General Description The LM8333 is a general-purpose controller for matrixaddressed keypads which provides an ACCESS.
bus (I2Ccompatible) interface to a host microcontroller.
It offloads the burden of keyboard scanning from the host, while providing extremely low power consumption in both operational and standby modes.
It supports keypad matrices up to 8 x 8 in size (plus another 8 special-function keys), for portable applications such as cellphones, PDAs, games, and other handheld applications.
Key press a...

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