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| PartNumber | AT87251G2D-SLSUM | AT87251G2D-3CSUM | AT87251G2D-RLTUM |
| Description | 8-bit Microcontrollers - MCU OTP 8/16bit St 5V 24MHz | 8-bit Microcontrollers - MCU OTP 8/16bit St 5V 24MHz | 8-bit Microcontrollers - MCU 251G2D 8/16bitC OTP 5V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | PLCC-44 | PDIL-40 | VQFP-44 |
| Series | 8x251 | 8x251 | 8x251 |
| Core | 80C51 | 80C51 | 80C51 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 24 MHz | 24 MHz | 24 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| 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 | 32 I/O |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Height | 3.48 mm | 4.95 mm | 1.45 mm |
| Length | 16.7 mm | 53.21 mm | 10.1 mm |
| Program Memory Type | EPROM | EPROM | EPROM |
| Width | 16.7 mm | 14.73 mm | 10.1 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | SPI, TWI, UART | SPI, TWI, UART | SPI, TWI, UART |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 972 | 216 | 800 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.084185 oz | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT87251G2D-SLSUM | 8-bit Microcontrollers - MCU OTP 8/16bit St 5V 24MHz | |
| AT87251G2D-3CSUM | 8-bit Microcontrollers - MCU OTP 8/16bit St 5V 24MHz | ||
| AT87251G2D-RLTUM | 8-bit Microcontrollers - MCU 251G2D 8/16bitC OTP 5V | ||
| AT87251G2D-3CSUM | IC MCU 8/16BIT 32KB OTP 40PDIL | ||
| AT87251G2D-SLSUM | IC MCU 8/16BIT 32KB OTP 44PLCC | ||
| AT87251G2D-RLTUM | IC MCU 8/16BIT 32KB OTP 44VQFP | ||
| AT87251G2D-24CB | New and Original |