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28F400
PA28F400BX-T/B Flash EEProm 4-MBIT (256Kx16bits, 512Kx8bits) 5V, 12V Prog
Schematic Symbol
Pin Configuration (44 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | VPP | power_in |
| 2 | DU | no_connect |
| 3 | A17 | input |
| 4 | A7 | input |
| 5 | A6 | input |
| 6 | A5 | input |
| 7 | A4 | input |
| 8 | A3 | input |
| 9 | A2 | input |
| 10 | A1 | input |
| 11 | A0 | input |
| 12 | CE | input |
| 13 | GND | power_in |
| 14 | OE | input |
| 15 | D0 | tri_state |
| 16 | D8 | tri_state |
| 17 | D1 | tri_state |
| 18 | D9 | tri_state |
| 19 | D2 | tri_state |
| 20 | D10 | tri_state |
| 21 | D3 | tri_state |
| 22 | D11 | tri_state |
| 23 | VCC | power_in |
| 24 | D4 | tri_state |
| 25 | D12 | tri_state |
| 26 | D5 | tri_state |
| 27 | D13 | tri_state |
| 28 | D6 | tri_state |
| 29 | D14 | tri_state |
| 30 | D7 | tri_state |
| 31 | A-1/D15 | tri_state |
| 32 | GND | power_in |
| 33 | BYTE | input |
| 34 | A16 | input |
| 35 | A15 | input |
| 36 | A14 | input |
| 37 | A13 | input |
| 38 | A12 | input |
| 39 | A11 | input |
| 40 | A10 | input |
| 41 | A9 | input |
| 42 | A8 | input |
| 43 | WE | input |
| 44 | PR | input |
Footprint
ConfirmedPackage_SO/PSOP-44_16.9x27.17mm_P1.27mm
Pad Layout
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Pads (44)
| Number | Type |
|---|---|
| 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 |