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ManualsBrandsMAXIM INTEGRATED ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller QFN 68 (8x8) 8-Bit 24 MHz I/O number 9
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DS_1215F_003 73S1215F Data Sheet
Rev. 1.4 123
PIN
TTL
To
circuit
ESD
Figure 33: Digital Input Circuit
PIN
VDD
STRONG
PFET
STRONG
NFET
Data
From
circuit
TTL
To
circuit
Output
Disable
Pull-up
Disable
100k
OHM
ESD
Figure 34: Keypad Row Circuit