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IC, 8BIT MCU, MCU 5X, 24MHZ, 44-PLCC Controller ;Family/Series: C51/C251 Core Size: 8 bit No. of I/O's: 32 ;Program Memory Size: 20 KB RAM Memory Size: 250Byte ;CPU Speed: 24MHz Oscillator ;Type: External, Internal No. of Timers: 3
| number_of_i_o_pins | 32 |
| supply_voltage_dc | 5.00 V, 5.50 V (max) |
| access_time | 24.0 µs |
| reach_svhc_compliance | No SVHC |
| lead_free_status | Lead Free |
| mounting_style | Surface Mount |
| packaging | Tube |
| case_package | PLCC |
| ram_bytes | 256 B |
| clock_speed | 24.0 MHz |
| core_architecture | 8051 |
| number_of_bits | 8 |
| rohs_status | Compliant |
| pin_count | 44 |
| flash_memory_bytes | 20480 B |
| Controller Family/Series | AT89C55 |
| CPU Speed | 24MHz |
| Program Memory Size | 20KB |
| RAM Memory Size | 256Byte |
| No. of Pins | 44Pins |
| MCU Case Style | LCC |
| No. of I/O's | 32I/O's |
| Embedded Interface Type | UART |
| Supply Voltage Min | 4V |
| Supply Voltage Max | 5.5V |
| Packaging | Each |
| Product Range | 8051 Microcontrollers |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 2 - 1 year |
| SVHC | No SVHC (17-Dec-2015) |
| Device Marking | AT89C55WD-24JU |
| Flash Memory Size | 20KB |
| Logic Function Number | 55 |
| MCU Family | 8051 |
| MCU Series | AT89C55 |
| MPU Core Size | 8bit |
| Memory Type | Flash |
| Microprocessor/Controller Features | 8 Interrupt Sources, Programmable Serial Channel, Low-power idle and Power-Down Modes, WDT |
| No. of Bits | 8bit |
| No. of Timers | 3 |
| Number of bits In Timer | 16 |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Operating Temperature Range | -40°C to +85°C |
| Oscillator Type | External |
| Supply Voltage Range | 4V to 5.5V |
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