| PartNumber | CY8C9520A-24PVXI | CY8C9540A-24PVXI | CY8C9520A-24PVXIT |
| Description | Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534 | Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM | Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534 |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | Interface - I/O Expanders |
| RoHS | Y | Y | Y |
| Number of I/Os | 20 I/O | - | 20 I/O |
| Interface Type | I2C, Serial | - | I2C, Serial, SMBus |
| Maximum Clock Frequency | 24 MHz | 12 MHz | 100 kHz |
| Interrupt Output | With Interrupt | - | With Interrupt |
| Operating Supply Voltage | 3 V to 5.25 V | 3 V to 5.25 V | 3 V to 5.25 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-28 | SSOP-48 | SSOP-28 |
| Packaging | Tube | Tube | Reel |
| Product | I/O Expanders | - | - |
| Series | CY8C95xx | CY8C95xx | CY8C95xx |
| Type | I/O Expander | - | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Logic Family | CY8C95xxA | CMOS | CY8C9520A |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Current | 3.8 mA | - | - |
| Product Type | I/O Expanders | I/O Expanders | I/O Expanders |
| Factory Pack Quantity | 470 | 150 | 1000 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Tradename | PSoC | PSoC | PSoC |
| Unit Weight | 0.025045 oz | 0.021175 oz | 0.025045 oz |
| Output Current | - | - | 10 mA, 25 mA |
| Output Type | - | - | Open Drain |