8-bit RISC microcontroller featuring an 8051 core, 64KB Flash program memory, and 8KB RAM. This surface-mount device operates at up to 50 MHz and supports I2C, SPI, UART, and USB interfaces. It offers 72 programmable I/Os, 16 ADC channels, and an 8-bit DAC. Packaged in a 100-pin TQFP with a 0.5mm pitch, it functions across a -40°C to 85°C temperature range.
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Cypress CY8C3246AXI-138 technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | TQFP |
| Package Description | Thin Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 100 |
| PCB | 100 |
| Package Length (mm) | 14 |
| Package Width (mm) | 14 |
| Package Height (mm) | 1.4 |
| Seated Plane Height (mm) | 1.6(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-026BED |
| Family Name | CY8Cxxx |
| Data Bus Width | 8bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 50MHz |
| Maximum CPU Frequency | 50MHz |
| Device Core | 8051 |
| Program Memory Type | Flash |
| Program Memory Size | 64KB |
| RAM Size | 8KB |
| Number of Programmable I/Os | 72 |
| Core Architecture | 8051 |
| Programmability | Yes |
| Number of Timers | 4 |
| Interface Type | I2C/SPI/UART/USB |
| CAN | 0 |
| I2C | 1 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 1 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 16 |
| Number of ADCs | Single |
| DAC Channels | 1 |
| DAC Resolution | 8bit |
| Number of DACs | Single |
| Cage Code | 65786 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | 3A991.a.3 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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