COP8SAC744V8

Overview

The COP8SAC744V8 is an 8-bit CMOS microcontroller from the COP8SA family, featuring 4k EPROM program memory and 128 bytes of RAM. It utilizes a modified Harvard architecture with a 1 µs instruction cycle time at 10 MHz CKI clock speeds. The device operates on a single supply voltage ranging from 2.7V to 5.5V and supports multiple oscillator options including internal R/C, crystal/resonator, and external sources. It includes a 16-bit timer/counter, MICROWIRE/PLUS serial interface, and up to 12 high-current outputs within a 44-pin PLCC package.

Feature Summary

• Low electromagnetic interference design utilizing patented circuitry for reduced radiated emissions
• Versatile instruction set optimized for code efficiency with single-byte single-cycle execution capabilities
• Flexible I/O configuration allowing software-selectable TRI-STATE, push-pull, and weak pull-up modes
• Integrated power management features including HALT and IDLE modes with multi-input wakeup logic

Applications

• Battery-powered consumer electronics requiring low current drain
• Industrial control systems needing robust EMI performance
• Cost-sensitive embedded controllers utilizing OTP programming flexibility

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm temperature range and package type compatibility. Ensure that the selected variant matches the required operating conditions for your application environment. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.

Selection Notes

Select this component when designing systems that require a balance of processing capability and low cost. The COP8SA family serves as a pin-compatible replacement for older COP800 devices in new designs. Consider the available memory sizes and package options to optimize board space while meeting functional requirements for I/O and peripheral integration.

Part Context

This device belongs to the COP8SA family of 8-bit CMOS microcontrollers produced by Texas Instruments (formerly National Semiconductor). The family integrates the COP8 core with advanced features like low EMI and power-on reset. It is designed for applications demanding full-featured control with minimal external components, offering both ROM-based and One-Time Programmable versions across various packaging styles.

Replacement Considerations

COP8SAC744V9