ADSP-21991BST
16-Bit Size, 16-Ext Bit, 160MHz, CMOS, PQFP176Manufacturer: Analog Devices Inc.
Categories: Digital Signal Processors
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Analog Devices Inc. ADSP-21991BST is a 16-bit fixed-point digital signal processor operating at a maximum clock frequency of 160MHz. This CMOS component features a 16-bit bit size with 16 extended bits, a 20-bit address bus, and a 16-bit external data bus. The ADSP-21991 series processor integrates 8192 words of RAM and offers multiple internal bus architectures. It supports low-power modes and includes a barrel shifter and boundary scan functionality. Packaged in a 176-terminal, square, low-profile fine-pitch plastic flatpack (LFQFP, JESD-30 code S-PQFP-G176) with a 0.500mm terminal pitch, it operates within a supply voltage range of 2.375V to 2.625V and an industrial temperature range of -40°C to 85°C. This device is commonly utilized in telecommunications, automotive, and industrial control applications.
Additional Information
Series: ADSP21991RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Format | Fixed Point |
| Length | 24.0000 |
| Width | 24.0000 |
| Technology | CMOS |
| Address_Bus_Width | 20 |
| Barrel_Shifter | Yes |
| Bit_Size | 16 |
| Boundary_Scan | Yes |
| Clock_Frequency_Max | 160.0000000000000000 |
| External_Data_Bus_Width | 16 |
| Internal_Bus_Architecture | Multiple |
| JESD_30_Code | S-PQFP-G176 |
| Low_Power_Mode | Yes |
| Number_of_Terminals | 176 |
| Operating_Temperature_Max | 85.0000 |
| Operating_Temperature_Min | -40.0000 |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | LFQFP |
| Package_Equivalence_Code | QFP176,1.0SQ,20 |
| Package_Shape | Square |
| Package_Style | FLATPACK, LOW PROFILE, FINE PITCH |
| RAM_words | 8192 |
| Seated_Height_Max | 1.6000 |
| Supply_Voltage_Max | 2.6250 |
| Supply_Voltage_Min | 2.3750 |
| Supply_Voltage_Nom | 2.5000 |
| Surface_Mount | Yes |
| Terminal_Form | Gull Wing |
| Terminal_Pitch | 0.500 |
| Terminal_Position | QUAD |
| uPs_uCs_Peripheral_ICs_Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
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