sx150x_89b-datasheet

ADVANCED COMMUNICATIONS & SENSING
Rev 4 – 26
th
April 2011 3 www.semtech.com
SX1508B/SX1509B
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
7.3 QFN-UT 28-pin Outline Drawing 34
7.4 QFN-UT 28-pin Land Pattern 34
8 S OLDERING P ROFILE .............................................................................................................. 35
9 M ARKING I NFORMATION ......................................................................................................... 36