MC74HC51

MOTOROLA SEMICONDUCTOR TECHNICAL DATA 2-Wide, 2-Input/2-Wide, 3-Input AND-NOR Gates MC74HC51 High–Performance Silicon–Gate CMOS The MC74HC51 is identical in pinout to the LS51. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. Output Drive Capability: 10 LSTTL Loads Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2 to 6 V Low Input Current: 1 µA High Noise Immunity Characteristic of CMOS Devices In Compliance with the Requirements Defined by JEDEC Standard No. 7A Chip Complexity: 42 FETs or 10.5 Equivalent Gates 14 1 N SUFFIX PLASTIC PACKAGE CASE 646–06 14 1 D SUFFIX SOIC PACKAGE CASE 751A–03 ORDERING INFORMATION MC74HCXXN MC74HCXXD Plastic SOIC PIN ASSIGNMENT LOGIC DIAGRAM A1 B1 C1 D1 E1 F1 A2 B2 1 12 13 9 10 11 2 3 6 C2 D2 4 5 PIN 14 = VCC PIN 7 = GND Y2 Y2 = (A2B2) + (C2D2) 8 Y1 Y1 = (A1B1C1) + (D1E1F1) A1 A2 B2 C2 D2 Y2 GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC C1 B1 F1 E1 D1 Y1 FUNCTION TABLES Inputs A1 B1 C1 D1 E1 H H H X X X X X H H All other combinations Inputs A2 B2 C2 D2 X H H H X X X H All other combinations F1 X H Output Y1 L L H Output Y2 L L H 10/95 © Motorola, Inc. 1995 1 REV 6 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎ ÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ ÎÎÎ ÎÎÎ ÎÎÎÎÎ...