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| PartNumber | ADSP-21990BSTZ | ADSP-21990BBC | ADSP-21990BST |
| Description | Digital Signal Processors & Controllers - DSP, DSC DSP mixed signal 32K DM 16K PM RAM | Digital Signal Processor, 16-Bit Size, 16-Ext Bit, 150MHz, CMOS, PBGA196 | Digital Signal Processor, 16-Bit Size, 16-Ext Bit, 160MHz, CMOS, PQFP176 |
| Manufacturer | Analog Devices Inc. | - | - |
| Product Category | Digital Signal Processors & Controllers - DSP, DSC | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-176 | - | - |
| Series | ADSP-21990 | - | - |
| Product | DSPs | - | - |
| Core | ADSP-2100 | - | - |
| Maximum Clock Frequency | 25 MHz | - | - |
| Program Memory Size | 12 kB | - | - |
| Data RAM Size | 8 kB | - | - |
| Operating Supply Voltage | 2.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Brand | Analog Devices | - | - |
| Number of I/Os | 16 I/O | - | - |
| Data Bus Width | 16 bit | - | - |
| Instruction Type | Fixed Point | - | - |
| Number of Cores | 1 Core | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Product Type | DSP - Digital Signal Processors & Controllers | - | - |
| Subcategory | Embedded Processors & Controllers | - | - |
| Supply Voltage Min | 2.375 V | - | - |
| Unit Weight | 0.067010 oz | - | - |