4-Bit Microcontroller featuring an HMCS400 CPU core operating at a maximum clock frequency of 9MHz. This CMOS device offers 8192 words of UVPROM and 256 bytes of RAM, with 58 I/O lines, an 8-bit external data bus, and a 15-bit address bus. Packaged in a 64-terminal CDIP (R-CDIP-T64) with a commercial extended temperature grade (-20°C to 75°C), it operates from a 4.5V to 5.5V supply voltage with a maximum supply current of 4.5mA.
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Hitachi HD4074008C technical specifications.
| Max Operating Temperature | 75 |
| Number of Terminals | 64 |
| Min Operating Temperature | -20 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-CDIP-T64 |
| Width | 19.05 |
| Length | 57.3 |
| Pin Count | 64 |
| Temperature Grade | COMMERCIAL EXTENDED |
| Supply Current-Max | 4.5 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 9 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 58 |
| External Data Bus Width | 8 |
| Address Bus Width | 15 |
| Bit Size | 4 |
| Speed | 9 |
| ROM Programmability | UVPROM |
| ROM (words) | 8192 |
| RAM (bytes) | 256 |
| 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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