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| PartNumber | AT80251G2D-3CSUM | AT80251G2D-SLRUM | AT80251G2D-SLSUL |
| Description | 8-bit Microcontrollers - MCU ROMless 8/16bit 5V 24MHz | 8-bit Microcontrollers - MCU ROMless 8/16bit 5V 24MHz | 8-bit Microcontrollers - MCU ROMless 8/16bit 5.5V 16MHz |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | - | SMD/SMT |
| Package / Case | PDIP-40 | - | PLCC-44 |
| Series | 8x251 | - | 8x251 |
| Core | 80C51 | 80C51 | 80C51 |
| Data Bus Width | 8 bit/16 bit | 8 bit/16 bit | 8 bit/16 bit |
| Maximum Clock Frequency | 24 MHz | - | 16 MHz |
| Data RAM Size | 1 kB | 1 kB | 1 kB |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 32 I/O | - | 32 I/O |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Height | 4.95 mm | - | 3.48 mm |
| Length | 53.21 mm | - | 16.7 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | ROMLess | ROMLess | ROMLess |
| Width | 14.73 mm | - | 16.7 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | SPI, TWI, UART | - | SPI, TWI, UART |
| DAC Resolution | No DAC | No DAC | No DAC |
| Number of Timers/Counters | 3 x 16 bit | 3 x 16 bit | 3 x 16 bit |
| Processor Series | AT80251G2D | AT80251G2D | AT80251G2D |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 216 | 500 | 972 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.210004 oz | - | 0.084185 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT80251G2D-3CSUM | 8-bit Microcontrollers - MCU ROMless 8/16bit 5V 24MHz | |
| AT80251G2D-SLRUM | 8-bit Microcontrollers - MCU ROMless 8/16bit 5V 24MHz | ||
| AT80251G2D-SLSUL | 8-bit Microcontrollers - MCU ROMless 8/16bit 5.5V 16MHz | ||
| AT80251G2D-3CSUM | IC MCU 8/16BIT ROMLESS 40PDIL | ||
| AT80251G2D-SLRUM | IC MCU 8/16BIT ROMLESS 44PLCC | ||
| AT80251G2D-SLSUL | IC MCU 8/16BIT ROMLESS 44PLCC | ||
| AT8025 | New and Original | ||
| AT80251G | New and Original | ||
| AT80251G2D | New and Original | ||
| AT80251G2D-IM | New and Original | ||
| AT80251G2D-UL | New and Original | ||
| AT80251G2D-UM | New and Original | ||
| AT80251G2DSLSUL | New and Original | ||
| AT80251G2D-RLTUM | IC MCU 8/16BIT ROMLESS 44VQFP | ||
| AT80251G2D-SLSUM | IC MCU 8/16BIT ROMLESS 44PLCC |