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DSAAQ0030317.pdf
Manufacturer
Analog Devices
Partial File Text
Data Sheet FEATURES 18-GPIO port expander or 10 × 8 keypad matrix GPIOs configurable as GPIs, GPOs, and keypad rows or columns I2C interface with auto-increment 1.65 V to 3.6 V operation Keypad lock
Type
Original
ECAD Model
Part Details
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circuit diagram of keypad lock system
qwerty keypad matrix