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| PartNumber | UPD78F9221MC-5A4-A | UPD78F9222 | UPD78F9222CS-CAC-A |
| Description | 8-bit Microcontrollers - MCU 8BIT MICROCONTROLLER | Microcontroller, 8-Bit, FLASH, UPD78K0 CPU, 10MHz, CMOS, PDIP32 | |
| Manufacturer | Renesas Electronics | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SSOP-30 | - | - |
| Core | 78K0S | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 10 MHz | - | - |
| Program Memory Size | 2 kB | - | - |
| Data RAM Size | 128 B | - | - |
| Number of I/Os | 15 I/O | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Height | 1.2 mm | - | - |
| Length | 9.85 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 6.1 mm | - | - |
| Brand | Renesas Electronics | - | - |
| Interface Type | UART | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 240 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4 V | - | - |