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L297 - Stepper Motor Controller - STMicroelectronics
L297 Datasheet (PDF) - STMicroelectronics
L297 Motor Driver Pinout Diagram - ADatasheet
L297 by STMicroelectronics Datasheet | DigiKey
L297D Datasheet – Stepper Motor Controller ( PDF )
L297 datasheet(1/11 Pages) STMICROELECTRONICS
L297 Datasheet by STMicroelectronics | Digi-Key Electronics