| Part Number | ATF1504AS-15AC44 | ATF1504AS-15AI44 | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Embedded - CPLDs (Complex Programmable Logic Devices) | Embedded - CPLDs (Complex Programmable Logic Devices) | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Programmable Type | In System Programmable (min 10K program/erase cycles) | In System Programmable (min 10K program/erase cycles) | 
| Delay Time tpd(1) Max | 15 ns | 15 ns | 
| Voltage Supply - Internal | 4.75V ~ 5.25V | 4.5V ~ 5.5V | 
| Number of Logic Elements/Blocks | - | - | 
| Number of Macrocells | 64 | 64 | 
| Number of Gates | - | - | 
| Number of I/O | 32 | 32 | 
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 44-TQFP | 44-TQFP | 
| Supplier Device Package | 44-TQFP (10x10) | 44-TQFP (10x10) |