| PartNumber | AT89LP4052-20PU | AT89LP4052-16SI | AT89LP4052-16XU |
| Description | 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V | 8-bit Microcontrollers - MCU Microcontroller | 8-bit Microcontrollers - MCU Microcontroller |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-20 | SOIC-20 | TSSOP-20 |
| Series | 89LP | - | - |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | - | - |
| Program Memory Size | 4 kB | - | - |
| Data RAM Size | 256 B | - | - |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 15 I/O | - | - |
| Operating Supply Voltage | 2.4 V to 5.5 V | 2.4 V to 5.5 V | 2.4 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tube | - | - |
| Height | 5.33 mm | - | - |
| Length | 26.92 mm | - | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | - | - |
| Width | 7.11 mm | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | SPI, UART | - | - |
| Number of Timers/Counters | 2 Timer | - | - |
| Processor Series | AT89x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 18 | - | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.4 V | - | - |
| Unit Weight | 0.081130 oz | 0.028254 oz | 0.006737 oz |