7426
QUAD 2-INPUT NAND BUFFER (ETC)
74260
DUAL 5-INPUT NOR GATE (Motorola Inc)
74260
Dual 5-Input NOR Gate (National Semiconductor)
74266
Quad 2-Input Exclusive NOR Gate (Motorola Semiconductor)
74268
Telecom Modular / PCB Mount (Framatome Connectors International)
7420
Dual 4-Input NAND Gates (Fairchild Semiconductor)
7420
Dual 4-Input Positive NAND Gate (NTE)
7421
Dual 4-Input Positive AND Gate (Fairchild Semiconductor)
74221
Dual non-retriggerable monostable multivibrator (NXP)
74221
Dual Non-Retriggerable Monostable Multivibrator (Fairchild Semiconductor)