ssop series
| packaging name | pin quantity | packaging size  (length*width)/mm  | packaging thickness(mm)  | pin distance/mm | remarks | 
| ssop20 | 20 | 7.15x5.3 | 1.53 | 0.65 | |
| ssop20-1 | 20 | 7.2x5.3 | 1.74 | 0.65 | |
| ssop(m)24 | 24 | 8.2x5.3 | 1.5 | 0.65 | |
| ssop24 | 24 | 8.15x5.3 | 1.75 | 0.65 | |
| ssop24-1 | 24 | 8.15x5.3 | 1.75 | 0.65 | |
| ssop(m)28 | 28 | 10.2x5.3 | 1.75 | 0.65 | |
| ssop28 | 28 | 10.2x5.3 | 1.74 | 0.65 | |
| ssop48 | 48 | 15.87x7.49 | 2.28 | 0.635 | |
| ssop-ep/48 | 48 | 15.87x7.49 | 2.28 | 0.635 | edp 6.806x4.572 | 
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