| PartNumber | Z86E0812HSC1903 | Z86E0812HSC1866 | Z86E0812HSC1866TR |
| Description | 8-bit Microcontrollers - MCU 2K OTP 12MHz OSC | 8-bit Microcontrollers - MCU Z8 2K OTP 12MHz | IC MCU 8BIT 2KB OTP 20SSOP |
| Manufacturer | ZiLOG | ZiLOG | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | N | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SSOP-20 | SSOP-20 | - |
| Series | Z86E0812H | Z86E0812H | - |
| Core | Z8 | Z8 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 12 MHz | 12 MHz | - |
| Program Memory Size | 2 kB | 2 kB | - |
| Data RAM Size | 125 B | 125 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 14 I/O | 14 I/O | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | - |
| Height | 1.73 mm | 1.73 mm | - |
| Length | 7.2 mm | 7.2 mm | - |
| Program Memory Type | EPROM | EPROM | - |
| Width | 5.3 mm | 5.3 mm | - |
| Brand | ZiLOG | ZiLOG | - |
| Data ROM Size | 2 kB | 2 kB | - |
| Data ROM Type | OTP | OTP | - |
| Number of Timers/Counters | 2 Timer | 2 Timer | - |
| Processor Series | Z86E08x | Z86E08x | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 67 | 67 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Unit Weight | 0.016000 oz | 0.016000 oz | - |