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| Part Number | P89C664HBA/00,512 |
| Datasheet | P89C664HBA/00,512 datasheet |
| Description | IC MCU 8BIT 64KB FLASH 44PLCC |
| Manufacturer | NXP USA Inc. |
| Series | 89C |
| Part Status | Obsolete |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 33MHz |
| Connectivity | I²C, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Data Converters | - |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 44-LCC (J-Lead) |
| Base Part Number | 44-PLCC (16.59x16.59) |