 
                    
                NS/国半
617
MSOP8
TI
50000
VSSOP-8
NSC
7566
SOP-8
Texas Instruments
1555
TI
980
VSSOP-8
TI
20000
NA
TI/德州仪器
12500
VSSOP8
TI(德州仪器)
499
VSSOP-8
NS/国半
12000
NS
598000
MSOP8
NSC
2250
SSOP8
NATIONALSEMICONDUCTOR
12820
NA
NS/国半
9600
SOP-16
TI
30000
VSSOP-8
TI/德州仪器
13000
8VSSOP