SX1509BULTRT Semtech, SX1509BULTRT Datasheet - Page 38

• Manufacturer Part Number: SX1509BULTRT
• Description: IC GPIO EXPANDER I2C 16CH 28QFN
• Manufacturer: Semtech

Specifications of SX1509BULTRT

• Interface: I²C
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 1.2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-UTQFN
• Includes: LED driver / Keypad Engine
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX1509IULTR; SX1509IULTR; SX1509IULTRT

ADVANCED COMMUNICATIONS & SENSING
7.3
QFN-UT 20-pin, 3 x 3 mm, 0.4 mm pitch
7.4
Rev 1 – 30
QFN-UT 20-pin Outline Drawing
QFN-UT 20-pin Land Pattern
th
Oct. 2009
Figure 24 - QFN-UT 20-pin Outline Drawing
Figure 25 - QFN-UT 20-pin Land Pattern
38
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
SX1507/SX1508/SX1509
www.semtech.com