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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB OTP 28DIP
- 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：Through Hole
- Supplier Device Package：28-PDIP
- Package / Case：28-DIP (0.600", 15.24mm)
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Overview
The COP8SGE728N8 is an 8-bit CMOS microcontroller from the COP800 family, manufactured by National Semiconductor. It features a ROM-based architecture with 8k memory and 256 bytes of RAM. The device operates at a maximum clock frequency of 15 MHz and supports a supply voltage range of 2.7V to 5.5V. It includes two analog comparators, a full-duplex USART, and three multi-function 16-bit timer/counters. The component is housed in a 28-pin DIP package and is designed for complex applications requiring low EMI and high integration.
Feature Summary
- Integrates an 8-bit processing core with up to 32k memory capacity and advanced peripherals including analog comparators and a full-duplex USART.
- Features low electromagnetic interference (EMI) design and multiple power-saving modes such as HALT and IDLE for optimized energy consumption.
- Includes three multi-function 16-bit timer/counters capable of PWM generation, event counting, and capture modes.
Applications
- Complex control systems requiring integrated analog signal processing
- Battery-powered devices utilizing low-power operating modes
- Industrial instrumentation with serial communication needs
Procurement Notes
Verify the specific suffix codes against official datasheets to confirm memory type and package variations. Ensure compatibility with existing development tools like iceMASTER for code debugging. Check RoHS compliance status as older revisions may not meet current environmental standards. Confirm pinout alignment for DIP-28 packages during PCB layout.
Selection Notes
Select this component for applications demanding high integration with analog capabilities within an 8-bit architecture. Consider the 15 MHz performance for real-time control tasks. Evaluate the 2.7V to 5.5V operating range against system power constraints. Verify that the 28-pin DIP package fits the mechanical design requirements.
Part Context
Part of the COP8SG family, which offers ROM and OTP versions for production and development. The family emphasizes full-feature integration with zero external components for basic operation. Designed for scalable applications using the same core architecture across different memory sizes and package options.
Replacement Considerations
COP8SGx7 devices are form-fit-function compatible OTP versions for COP8SGx5 ROM devices. Verify exact suffix matching for memory configuration and package type before substitution.
