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| PartNumber | CY8C3246AXI-138 | CY8C3246AXI-138T | CY8C3246AXI-138ES2 |
| Description | 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V | 8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O | |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TQFP-100 | TQFP-100 | - |
| Series | CY8C3246 | CY8C3246 | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 50 MHz | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 8 kB | - | - |
| Number of I/Os | 72 I/O | - | - |
| Operating Supply Voltage | 1.71 V to 5.5 V | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Reel | - |
| Program Memory Type | Flash | - | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, UART, USB | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | CY8C32 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 90 | 1500 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | PSoC | PSoC | - |
| Unit Weight | 0.023175 oz | 0.023175 oz | - |