8-Bit Microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 24MHz. This CMOS device offers 4KB of FLASH ROM and 128 bytes of RAM, with 32 programmable I/O lines. It supports an 8-bit external data bus and a 16-bit address bus. Packaged in a 44-terminal PQCC (JEDEC Package Code: S-PQCC-J44) with a commercial temperature grade (0°C to 70°C), it operates from a 4V to 5.5V supply voltage.
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Atmel AT89S51-24JC technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 44 |
| Min Operating Temperature | 0 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-PQCC-J44 |
| Width | 16.586 |
| Length | 16.586 |
| Pin Count | 44 |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 25 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 24 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 32 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 24 |
| ROM Programmability | FLASH |
| ROM (words) | 4096 |
| RAM (bytes) | 128 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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