Signetics

1976

N8X300I
N8X300.jpg (22418 bytes)
3.3 MHz
50 pin CERDIP
Purple/Black top/Tin pins 
8 bit bipolar processor
N8X300I
N8X300Ig.jpg (32629 bytes)
3.3 MHz
50 pin CERDIP
Purple/Gold top/Tin pins 
8 bit bipolar processor
N8X300I
3.3 MHz
50 pin CERDIP
White/White top/Tin pins 
8 bit bipolar processor
S8X300-11 883B
3.3 MHz
50 pin CERDIP
Purple/Gold top/Tin pins 
8 bit bipolar processor
N8X305A
10 MHz
68 pin PLCC
Enhanced version of N8X300
8 bit bipolar processor
N8X305I
10 MHz
50 pin PDIP
Enhanced version of N8X300
8 bit bipolar processor
N8X305IA
10 MHz
50 pin PDIP
Enhanced version of N8X300
8 bit bipolar processor
N8X305N
N8X305N.jpg (28782 bytes)
10 MHz
50 pin PDIP
Enhanced version of N8X300
8 bit bipolar processor
N8X305N HP 1820-3422
10 MHz
50 pin PDIP
Enhanced version of N8X300
8 bit bipolar processor

USSR

KM1818BM01A
 8 MHz
50 pin CERDIP
White/Silver top/Gold pins 
Clone of N8X300
Manufactured by Electronika