8-bit microcontroller featuring a 6805 CPU core, operating at a maximum clock frequency of 4.2 MHz and a speed of 2.1 MHz. This HCMOS device includes 4144 words of OTPROM and 176 bytes of RAM, with 31 I/O lines. Packaged in a 42-terminal DIP (R-PDIP-T42) with dual terminal positions, it supports an industrial temperature grade from -40°C to 85°C and operates with a nominal supply voltage of 5V (4.5V to 5.5V).
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Motorola MC68HC705C4ACB technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 42 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T42 |
| Width | 15.24 |
| Length | 36.83 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 7 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 4.2 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 31 |
| External Data Bus Width | 0 |
| Address Bus Width | 0 |
| Bit Size | 8 |
| Speed | 2.1 |
| ROM Programmability | OTPROM |
| ROM (words) | 4144 |
| RAM (bytes) | 176 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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