74LS13
SCHMITT TRIGGERS DUAL GATE/HEX INVERTER (Motorola)
74LS13
Dual 4-Input Schmitt Trigger (Fairchild Semiconductor)
74LS13
NAND Gates (Raytheon)
74LS132
LOW POWER SCHOTTKY (ON Semiconductor)
74LS132
Quad 2-Input NAND Gate (Fairchild Semiconductor)
74LS132
Quadruple 2-input Positive NAND Schmitt-triggers (Hitachi Semiconductor)
74LS132
QUAD 2-INPUT SCHMITT TRIGGER NAND GATE (Motorola)
74LS134
12-input NAND gate (ETC)
74LS136
Quad 2-Input Exclusive-OR Gate (Fairchild Semiconductor)
74LS136
Quadruple 2-input Exclusive-OR Gates (Hitachi Semiconductor)