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| PartNumber | COP8SAC728M8/NOPB | COP8SAC728M8 | COP8SAC728M9 |
| Description | 8-bit Microcontrollers - MCU 8B CMOS OTP MCU w/ 4k Mem | 8-bit Microcontrollers - MCU Obsolete, LTB expires Jun 2, 2018 | IC MCU 8BIT 4KB OTP 28SOIC |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-28 | SOIC-28 | - |
| Series | COP8SAC7 | COP8SAC7 | - |
| Core | COP8 | COP8 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 10 MHz | 10 MHz | - |
| Program Memory Size | 4 kB | 4 kB | - |
| Data RAM Size | 128 B | 128 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 24 I/O | 24 I/O | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tube | Tube | - |
| Height | 2.34 mm | 2.34 mm | - |
| Length | 17.91 mm | 17.91 mm | - |
| Program Memory Type | EPROM | EPROM | - |
| Width | 7.49 mm | 7.49 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | SPI | SPI | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 1 Timer | 1 Timer | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 26 | 26 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Unit Weight | 0.027937 oz | 0.027937 oz | - |