PCA9557PW,118
by NXP(恩智浦)When a controller needs additional digital I/O, NXP's PCA9557 family provides an I²C-connected expander. This PCA9557PW,118 record has a 16-pin symbol and a matching 16-pad SMD footprint. The downloadable package contains the symbol, TSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL footprint, and a 3D model. Its footprint name gives the layout pattern to use when positioning the IC and reviewing pad geometry. The files originated in a real ProtoFlow import, then were converted and checked in the editor. The component can be opened directly in ProtoFlow for schematic and board work.
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