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| PartNumber | AT89S51-24PU | AT89S51-24PC | AT89S51-24PI |
| Description | 8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V | 8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24 MHZ | 8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24 MHZ |
| 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 | Through Hole | Through Hole |
| Package / Case | PDIP-40 | PDIP-40 | PDIP-40 |
| Series | 89S | Microcontroller | Microcontroller |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 24 MHz | 33 MHz | 33 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 128 B | 128 B | 128 B |
| 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 V to 5.5 V | 4 V to 5.5 V | 4 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Packaging | Tube | - | - |
| Height | 4.83 mm | 4.83 mm | 4.83 mm |
| Length | 52.58 mm | 52.58 mm | 52.58 mm |
| Product | MCU | - | - |
| Program Memory Type | Flash | Flash | Flash |
| Width | 13.97 mm | 13.97 mm | 13.97 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | UART | ISP, UART | ISP, UART |
| Number of Timers/Counters | 2 Timer | 2 Timer | 2 Timer |
| Processor Series | AT89x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 10 | 9 | 40 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4 V | 4 V | 4 V |
| Unit Weight | 0.210004 oz | 0.210004 oz | 0.210004 oz |
| Data ROM Type | - | Flash | Flash |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89S51-24PU | 8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V | |
| AT89S51-24PC | 8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24 MHZ | ||
| AT89S51-24PI | 8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24 MHZ | ||
| AT89S51-24PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V | ||
| AT89S51-24PC | IC MCU 8BIT 4KB FLASH 40DIP | ||
| AT89S51-24PI | IC MCU 8BIT 4KB FLASH 40DIP |