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| PartNumber | SST89C58RC-40-C-QIF | SST89C58RC-40-I-NJE | SST89C58RC-40-C-QIF-T |
| Description | 8-bit Microcontrollers - MCU 34K (32Kx8K) SM-Bus 40MHz 2.7-5.5V | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4.5-5.5V FlashFlex 8b 8051 Microctrl | |
| Manufacturer | Microchip | - | Microchip Technology |
| Product Category | 8-bit Microcontrollers - MCU | - | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | WQFN-40 | - | - |
| Series | SST89C58 | - | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 40 MHz | - | - |
| Program Memory Size | 34 kB | - | - |
| Data RAM Size | 1 kB | - | - |
| Number of I/Os | 32 I/O | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Packaging | Tube | - | - |
| Height | 0.75 mm | - | - |
| Length | 6 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 6 mm | - | - |
| Brand | Microchip Technology | - | - |
| Interface Type | UART | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | SST89C | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 81 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Unit Weight | 0.001929 oz | - | - |