GR >> AT89C2051-12SU 
19503
AT89C2051-12SU
ATMEL
Quantity 18650
Packaging SOP-20
Description original&Quality new original
557542
AT89C2051-12SU
Microchip Technology
Quantity 9000
Packaging IC MCU 8BIT 2KB FLASH 20SOIC
Description original&Quality new original