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I/O Expander IC
| S/N | Operation Voltage | Serial Clock(MHz) | Control Input | I/O | Interrupt | Drive Current | Sink Current(mA) | Operation Current (uA) | Standby Current (uA) | Package Type | 
| 1 | 2.0~5.7V | 5 | 3 | 24 O | - | 3 | 20 | 4 | 0.1 | DICE, LQFP48, PLCC44 | 
| 2 | 2.0~5.7V | 5 | 3 | 8 I, 8 I/O, 8 O | V | 3 | 20 | 4 | 0.1 | DICE, LQFP48, PLCC44 | 
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|  | Description |  |  |  |  |  | Status | Package | ||
| 3 | I/O Expander with I2C Bus, up to 12 GPIO... |  |  |  |  |  | MP | SOP/DIP 20 | ||