Machine Design

New Product: Drop in replacement MCU

The TK89C668 MCU is a pin-for-pin, code and timing-compatible drop in replacement for the P89C668.

The 44-pin 8051-type microcontroller features the TWI serial interface, 64 kbytes of Flash, 8 kbytes of RAM, a watchdog timer, security features, all extended 8051 peripherals, and a choice of a 6 or 12 clock with classic timing.

Tekmos Inc., 4120 Commercial Center Dr., Suite 400, Austin, TX 78744, (512) 342-9871,

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