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| Part Number | ADSP-21991BBC | ADSP-21992BBC | ADSP-21991BBCZ | ADSP-21990BBC |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Fixed Point | Fixed Point | Fixed Point | Fixed Point |
| Interface | SPI, SSP | SPI, SSP | SPI, SSP | SPI, SSP |
| Clock Rate | 150MHz | 150MHz | 150MHz | 150MHz |
| Non-Volatile Memory | External | External | External | External |
| On-Chip RAM | 112kB | 128KB | 112kB | 20kB |
| Voltage - I/O | 3.30V | 3.30V | 3.30V | 3.30V |
| Voltage - Core | 2.50V | 2.50V | 2.50V | 2.50V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 196-BGA, CSPBGA | 196-BGA, CSPBGA | 196-BGA, CSPBGA | 196-BGA, CSPBGA |
| Supplier Device Package | 196-MBGA (15x15) | 196-MBGA (15x15) | 196-MBGA (15x15) | 196-MBGA (15x15) |
