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PCAL6416AHF
IO expander 16 GPIO, I2C 400kHz, Interrupt, 1.65 - 5.5V, HWQFN-24
Schematic Symbol
Pin Configuration (25 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | P0_0 | bidirectional |
| 2 | P0_1 | bidirectional |
| 3 | P0_2 | bidirectional |
| 4 | P0_3 | bidirectional |
| 5 | P0_4 | bidirectional |
| 6 | P0_5 | bidirectional |
| 7 | P0_6 | bidirectional |
| 8 | P0_7 | bidirectional |
| 9 | V_{SS} | power_in |
| 10 | P1_0 | bidirectional |
| 11 | P1_1 | bidirectional |
| 12 | P1_2 | bidirectional |
| 13 | P1_3 | bidirectional |
| 14 | P1_4 | bidirectional |
| 15 | P1_5 | bidirectional |
| 16 | P1_6 | bidirectional |
| 17 | P1_7 | bidirectional |
| 18 | ADDR | input |
| 19 | SCL | input |
| 20 | SDA | bidirectional |
| 21 | V_{DD(P)} | power_in |
| 22 | ~{INT} | open_collector |
| 23 | V_{DD(I2C-bus)} | power_in |
| 24 | ~{RESET} | input |
| 25 | EP | passive |
Footprint
ConfirmedPackage_DFN_QFN/HVQFN-24-1EP_4x4mm_P0.5mm_EP2.1x2.1mm
Pad Layout
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25
Pads (34)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |