The NJM3773FM2 from Nisshinbo Micro Devices Inc. is a bipolar motor driver Integrated Circuit with a parallel interface, in a 28-PLCC (11.51x11.51) package.
The NJM3773D2 from Nisshinbo Micro Devices Inc. is a bipolar motor driver Integrated Circuit with a 4.75–5.25 V rating and bipolar parallel interface, in a 22-DIP package.