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Tell us exactly what you need — we'll design, manufacture, and ship it.
BASE COMPONENT
IC I/O EXPANDER 16BIT I2C 400KHZ 24TSSOP
MPN CAT9555YI-T2
MFR onsemi
PKG TSSOP-24 (4.4×7.8mm)
PINS 24
WHAT WE CAN ADD
Passive Components
Bypass caps, pull-ups/downs, strapping resistors, filtering — we'll pick the right values
Protection
ESD diodes, TVS protection, reverse polarity, current limiting
Power
On-board voltage regulator, level shifters, power filtering
Custom Silkscreen
Your logo, pin labels, reference designators, version numbers
White-Label
Remove all branding, your company name only
Board Layout
Custom pin ordering, non-standard dimensions, mounting holes
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