| Part Number | AT40K20-2AJC | AT40K20-2AQC | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Embedded - FPGAs (Field Programmable Gate Array) | Embedded - FPGAs (Field Programmable Gate Array) | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Number of LABs/CLBs | - | - | 
| Number of Logic Elements/Cells | 1024 | 1024 | 
| Total RAM Bits | 8192 | 8192 | 
| Number of I/O | 62 | 78 | 
| Number of Gates | 30000 | 30000 | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Mounting Type | Surface Mount | Surface Mount | 
| Operating Temperature | 0°C ~ 70°C (TC) | 0°C ~ 70°C (TC) | 
| Package / Case | 84-LCC (J-Lead) | 100-TQFP | 
| Supplier Device Package | 84-PLCC (29.31x29.31) | 100-TQFP (14x14) |