1 |
7420 |
Dual 4-Input NAND Gates |
Fairchild Semiconductor |
|
2 |
7420 |
Dual 4-Input Positive NAND Gate |
NTE |
|
3 |
7421 |
Dual 4-Input Positive AND Gate |
Fairchild Semiconductor |
|
4 |
74221 |
Dual non-retriggerable monostable multivibrator |
NXP |
|
5 |
74221 |
Dual Non-Retriggerable Monostable Multivibrator |
Fairchild Semiconductor |
|
6 |
74221 |
Dual Monostable Multivibrators |
Hitachi Semiconductor |
|
7 |
7423 |
Dual 4-Input NOR Gate |
etcTI |
|
8 |
74240 |
Octal 3-STATE Buffer/Line Driver/Line Receiver |
Fairchild Semiconductor |
|
9 |
74240 |
Eight three-state inverting buffer / line driver / line receiver |
San Mao |
|