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PCA9506BS
IO expander 40 GPIO, I2C 400kHz, Interrupt, Reset, OE, 2.3 - 5.5V, HVQFN-56
Schematic Symbol
Pin Configuration (57 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | IO0_4 | bidirectional |
| 2 | IO0_5 | bidirectional |
| 3 | IO0_6 | bidirectional |
| 4 | V_{SS} | power_in |
| 5 | IO0_7 | bidirectional |
| 6 | IO1_0 | bidirectional |
| 7 | IO1_1 | bidirectional |
| 8 | IO1_2 | bidirectional |
| 9 | IO1_3 | bidirectional |
| 10 | IO1_4 | bidirectional |
| 11 | V_{DD} | power_in |
| 12 | IO1_5 | bidirectional |
| 13 | IO1_6 | bidirectional |
| 14 | IO1_7 | bidirectional |
| 15 | IO2_0 | bidirectional |
| 16 | V_{SS} | passive |
| 17 | IO2_1 | bidirectional |
| 18 | IO2_2 | bidirectional |
| 19 | IO2_3 | bidirectional |
| 20 | A0 | input |
| 21 | A1 | input |
| 22 | A2 | input |
| 23 | ~{OE} | input |
| 24 | IO2_4 | bidirectional |
| 25 | IO2_5 | bidirectional |
| 26 | IO2_6 | bidirectional |
| 27 | V_{SS} | passive |
| 28 | IO2_7 | bidirectional |
| 29 | IO3_0 | bidirectional |
| 30 | IO3_1 | bidirectional |
| 31 | IO3_2 | bidirectional |
| 32 | V_{SS} | passive |
| 33 | IO3_3 | bidirectional |
| 34 | IO3_4 | bidirectional |
| 35 | IO3_5 | bidirectional |
| 36 | IO3_6 | bidirectional |
| 37 | IO3_7 | bidirectional |
| 38 | IO4_0 | bidirectional |
| 39 | V_{DD} | passive |
| 40 | IO4_1 | bidirectional |
| 41 | IO4_2 | bidirectional |
| 42 | IO4_3 | bidirectional |
| 43 | IO4_4 | bidirectional |
| 44 | V_{SS} | passive |
| 45 | IO4_5 | bidirectional |
| 46 | IO4_6 | bidirectional |
| 47 | IO4_7 | bidirectional |
| 48 | ~{INT} | open_collector |
| 49 | ~{RESET} | input |
| 50 | SDA | bidirectional |
| 51 | SCL | input |
| 52 | IO0_0 | bidirectional |
| 53 | IO0_1 | bidirectional |
| 54 | IO0_2 | bidirectional |
| 55 | V_{SS} | passive |
| 56 | IO0_3 | bidirectional |
| 57 | V_{SS} | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-56-1EP_8x8mm_P0.5mm_EP4.3x4.3mm
Pad Layout
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1
2
3
4
5
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31
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36
37
38
39
40
41
42
43
44
45
46
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48
49
50
51
52
53
54
55
56
57
Pads (73)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | 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 |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |
| 34 | smd |
| 35 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |
| 39 | smd |
| 40 | smd |
| 41 | smd |
| 42 | smd |
| 43 | smd |
| 44 | smd |
| 45 | smd |
| 46 | smd |
| 47 | smd |
| 48 | smd |
| 49 | smd |
| 50 | smd |
| 51 | smd |
| 52 | smd |
| 53 | smd |
| 54 | smd |
| 55 | smd |
| 56 | smd |
| 57 | smd |