8-bit microcontroller featuring a Z8 CPU core operating at up to 8MHz. This CMOS device offers 32768 words of OTPROM and 489 bytes of RAM, with 24 I/O lines. Packaged in a 28-terminal SOIC (PDSO28) with dual terminal positions, it operates within a commercial temperature range of 0°C to 70°C. Supply voltage ranges from 3V to 5.5V, with a maximum supply current of 8mA.
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Zilog Z86D991SZ008SC technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 28 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G28 |
| Width | 7.5 |
| Length | 17.9 |
| Pin Count | 28 |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 8 |
| Supply Voltage-Nom | 3.3 |
| Supply Voltage-Min | 3 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 8 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 24 |
| External Data Bus Width | 0 |
| Address Bus Width | 0 |
| Bit Size | 8 |
| Speed | 8 |
| ROM Programmability | OTPROM |
| ROM (words) | 32768 |
| RAM (bytes) | 489 |
| 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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