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| PartNumber | AT89LS52-16AI | AT89LS52-16AI/AT89LS52-1 | AT89LS52-16AC |
| Description | 8-bit Microcontrollers - MCU LOW VOLTAGE 8K ISP FLASH - 16MHz | IC MCU 8BIT 8KB FLASH 44TQFP | |
| Manufacturer | Microchip | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | N | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-44 | - | - |
| Series | 89LS | - | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 16 MHz | - | - |
| Program Memory Size | 8 kB | - | - |
| Data RAM Size | 256 B | - | - |
| ADC Resolution | No ADC | - | - |
| Number of I/Os | 32 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 4 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Height | 1 mm | - | - |
| Length | 10 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 10 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Interface Type | ISP | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 160 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 4 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |