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Product Detailed Parameters
- Description：IC MCU 8BIT 1KB OTP 28SOIC
- Series：COP8™ 8SA
- Mfr：Texas Instruments
- Package：Tube
- Core Processor：COP8
- Core Size：8-Bit
- Speed：10MHz
- Connectivity：Microwire/Plus (SPI)
- Peripherals：POR, PWM, WDT
- Number of I/O：24
- Program Memory Size：1KB (1K x 8)
- Program Memory Type：OTP
- EEPROM Size：-
- RAM Size：64 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)
- Grade：-
- Qualification：-
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Overview
The COP8SAA728M8 is an 8-bit CMOS microcontroller from the COP8SA family, featuring 1k bytes of One-Time Programmable (OTP) memory and 64 bytes of RAM. It operates within a voltage range of 2.7V to 5.5V and supports an industrial temperature range of -40°C to +85°C. The device utilizes a 28-pin SOIC package and includes a modified Harvard architecture with a 1µs instruction cycle time at 10MHz clock speeds.
Feature Summary
- Integrated low electromagnetic interference (EMI) design utilizing gradual turn-on output drivers and internal current smoothing filters.
- Versatile I/O configuration allowing software-selectable TRI-STATE, push-pull, weak pull-up, or high impedance modes for individual pins.
- Multi-input wakeup logic supporting multiple interrupt sources including external interrupts, timers, and serial interfaces.
Applications
- Low-cost embedded control systems requiring minimal board space
- Battery-powered devices benefiting from HALT and IDLE power-saving modes
- Industrial controllers needing robust EMI performance
Procurement Notes
Verify the specific ordering suffix M8 confirms the -40°C to +85°C temperature rating and 28-pin SOIC package. Confirm OTP programming requirements and development tool compatibility before procurement. Check current availability status as legacy components may have limited supply chains.
Selection Notes
Select this component when a cost-effective 8-bit solution with integrated EMI reduction is required. Ensure the 1k program memory capacity meets application code size needs. Verify that the 28-pin package fits the physical constraints of the target PCB layout.
Part Context
This part belongs to the COP8SA family, which serves as a pin-compatible superset of the older COP800 family. It replaces previous generations in new designs while offering enhanced features like lower EMI and smaller packaging options such as the 28-pin CSP and SOIC variants.
Replacement Considerations
COP8SAA728N9 is a compatible alternative offering the same specifications but rated for commercial temperature range (0°C to +70°C). Ensure temperature requirements align before substituting.
