TI
13880
28PDIP
NS
2987
QFP44
NSC
65600
28-SOIC
NSC/国半
42
SOP-28
NS
3200
SOP28
NSC
2960
SOP-28
TI/德州仪器
860000
PDIP-28
NATIONALSEMI
858
NA
NSC
6852
DIP
HARRIS
56000
SOP28
CENTRALSE
6000
SOT23
NS
8000
SOIC-28
TI
3000
MDIP
TI(德州仪器)
7350
PDIP28
NS
1139
NA/