ST
100000
SGS
876
CDIP
M74HC541M
21
21
st
53009
20-DIP
N/A
7540
DIP-20
ST/意法
52
NA/
ST
12245
PDIP
ST
13880
20DIP
STM(STMicroelectronics)
500000
NA
STMicroelectronics
9350
20-DIP(0.300 7.62mm)
ST
3200
QFP
STM
2500
SOP
STMicroelect
65480
20-DIP
ST
3200
SO-20
ST
3886
7.2MM