M5450B7 series datasheets. Manufacturer: SGS-Thomson Microelectronics.

M5450B7 LED display driver, 34 outputs/15mA sink in 40-pin DIP package. Operational temperature range from -25°C to 85°C. Datasheet*) M5451Q LED display driver, 35 outputs/15mA sink in 44-pin PLCC package. Operational temperature range from -25°C to 85°C. Datasheet*)

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