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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB OTP 28SOIC
- Series：COP8™ 8SG
- Mfr：National Semiconductor
- Package：Bulk
- Core Processor：COP8
- Core Size：8-Bit
- Speed：15MHz
- Connectivity：Microwire/Plus (SPI), UART/USART
- Peripherals：POR, PWM, WDT
- Number of I/O：24
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：OTP
- EEPROM Size：-
- RAM Size：256 x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：28-SOIC
- Package / Case：28-SOIC (0.295", 7.50mm Width)
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Overview
The COP8SGE728M8 is an 8-bit CMOS microcontroller belonging to the COP8SG family, manufactured by National Semiconductor. It features a ROM-based architecture with 8k memory capacity and 256 bytes of RAM. The device operates on a 3V or 5V power supply and utilizes a 28-pin Small Outline Package (SOP). Key integrated peripherals include two analog comparators and a full-duplex USART interface.
Feature Summary
- Integrates two analog comparators requiring zero external components for signal processing tasks.
- Includes a full-duplex Universal Synchronous/Asynchronous Receiver/Transmitter (USART) for serial communication.
- Features a highly integrated COP8 Feature core designed for complex applications with low electromagnetic interference.
Applications
- Complex controller applications requiring larger memory and full-featured integration
- Systems utilizing analog comparator functions without external discrete components
- Serial communication interfaces supported by full-duplex USART capabilities
Procurement Notes
Verify component authenticity through official manufacturer channels or authorized distributors. Confirm package type matches the specified SOP format. Ensure compliance with relevant regulatory standards as the device may not be RoHS qualified. Validate that the specific memory configuration aligns with project requirements before procurement.
Selection Notes
Select this component for designs necessitating an 8-bit architecture with integrated analog comparators and serial communication. Consider the 28-pin SOP package constraints for PCB layout. Evaluate the 8k ROM size against application code requirements. Verify voltage compatibility with the 3V or 5V system rails.
Part Context
This part belongs to the COP8SG family of 8-bit CMOS microcontrollers. The family offers ROM and OTP versions with memory ranging from 8k to 32k. Common features across the family include up to 14 interrupts, three 16-bit timer/counters with PWM, and MICROWIRE/PLUS support. The COP8SGE variant specifically denotes the SOP package option within this series.
Replacement Considerations
Check for form-fit-function compatible OTP versions within the COP8SGx7 series if development flexibility is required. Windowed erasable versions (Q3 suffix) are available for prototyping purposes using standard development tools.
