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| Part Number | TMS320VC5421PGE200 | TMS320VC5420PGE200 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Obsolete | 
| Type | Fixed Point | Fixed Point | 
| Interface | Host Interface, McBSP | Host Interface, McBSP | 
| Clock Rate | 100MHz | 100MHz | 
| Non-Volatile Memory | ROM (8kB) | External | 
| On-Chip RAM | 512KB | 384KB | 
| Voltage - I/O | 3.30V | 3.30V | 
| Voltage - Core | 1.80V | 1.80V | 
| Operating Temperature | 0°C ~ 85°C (TC) | 0°C ~ 100°C (TC) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 144-LQFP | 144-LQFP | 
| Supplier Device Package | 144-LQFP (20x20) | 144-LQFP (20x20) |