8-bit microcontroller featuring an 8051 CISC core, operating at up to 25 MHz. This surface-mount device offers 4KB of Flash program memory and 768B of RAM. It includes 30 programmable I/Os, three timers, and 2-Wire/SPI interface capabilities. Packaged in a 32-pin PLCC (LCC) with J-leads, it supports a maximum operating supply voltage of 5.5V and operates within a temperature range of -40°C to 85°C.
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Microchip AT89LP428-25JU technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | LCC |
| Package/Case | PLCC |
| Package Description | Plastic Leaded Chip Carrier |
| Lead Shape | J-Lead |
| Pin Count | 32 |
| PCB | 32 |
| Package Length (mm) | 14.05(Max) |
| Package Width (mm) | 11.51(Max) |
| Package Height (mm) | 2.79(Min) |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-016AE |
| Family Name | AT89 |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 25MHz |
| Maximum CPU Frequency | 25MHz |
| Device Core | 8051 |
| Program Memory Type | Flash |
| Program Memory Size | 4KB |
| RAM Size | 768B |
| Number of Programmable I/Os | 30 |
| Core Architecture | 8051 |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | 2-Wire/SPI |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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