유통업체에서 제공한 Texas Instruments PTCAL9538RSVR에 대한 설명입니다.
Low-voltage 8-bit I²C-bus/SMBus I/O expander with interrupt, reset and agile I/O configuration 16-UQFN -40 to 125
PARALLEL IO PORT, GENERAL PURPOSE; Terminal Form: NO LEAD; No. of Terminals: 16; Package Code: HVQCCN; Package Shape: RECTANGULAR; Package Style (Meter): CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE;