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| Part Number | LC4256B-10FN256BI | LC4256B-10F256BI | LC4256B-10FN256AI | 
|---|---|---|---|
| Manufacturer | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Programmable Type | In System Programmable | In System Programmable | In System Programmable | 
| Delay Time tpd(1) Max | 10 ns | 10 ns | 10 ns | 
| Voltage Supply - Internal | 2.3V ~ 2.7V | 2.3V ~ 2.7V | 2.3V ~ 2.7V | 
| Number of Logic Elements/Blocks | 16 | 16 | 16 | 
| Number of Macrocells | 256 | 256 | 256 | 
| Number of Gates | - | - | - | 
| Number of I/O | 160 | 160 | 128 | 
| Operating Temperature | -40°C ~ 105°C (TJ) | -40°C ~ 105°C (TJ) | -40°C ~ 105°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 256-BGA | 256-BGA | 256-BGA | 
| Supplier Device Package | 256-FPBGA (17x17) | 256-FPBGA (17x17) | 256-FPBGA (17x17) |