2-WIDE 4-INPUT AND-OR-INVERT GATE VCC 14 13 12 11.
Motorola
SN74LS55 - 2-WIDE 4-INPUT AND-OR-INVERT GATE
2-WIDE 4-INPUT AND-OR-INVERT GATE VCC 14 13 12 11 10 9 8 1234567 GND GUARANTEED OPERATING RANGES Symbol Parameter VCC Supply Voltage TA Oper.