GR >> SC28L91A1B557 
489429
SC28L91A1B,557
NXP USA Inc.
Quantity 9000
Packaging IC UART SINGLE W/FIFO 44QFP
Description original&Quality new original
489430
SC28L91A1B,557
NXP
Quantity 9000
Packaging 44-PQFP (10x10)
Description original&Quality new original