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| PartNumber | TMS320C31PQL4 | TMS320C31PQL40 | TMS320C31PQL40 . |
| Description | IC 40 MHZ DSP 132-BQFP | ||
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Embedded - DSP (Digital Signal Processors) | Embedded - DSP (Digital Signal Processors) | - |
| Series | TMS320C3x | TMS320C3x | - |
| Type | Floating Point | Floating Point | - |
| Packaging | Tube | Tube | - |
| Package Case | 132-BQFP Bumpered | 132-BQFP Bumpered | - |
| Operating Temperature | 0°C ~ 85°C (TC) | 0°C ~ 85°C (TC) | - |
| Mounting Type | Surface Mount | Surface Mount | - |
| Interface | Serial Port | Serial Port | - |
| Supplier Device Package | 132-BQFP (24.54x24.54) | 132-BQFP (24.54x24.54) | - |
| Clock Rate | 40MHz | 40MHz | - |
| Non Volatile Memory | External | External | - |
| On Chip RAM | 8.25kB | 8.25kB | - |
| Voltage I O | 5.00V | 5.00V | - |
| Voltage Core | 5.00V | 5.00V | - |