74ALS27

INTEGRATED CIRCUITS 74ALS27 Triple 3-Input NOR gate Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Triple 3-input NOR gate 74ALS27 TYPE 74ALS27 TYPICAL PROPAGATION DELAY 4.0ns TYPICAL SUPPLY CURRENT (TOTAL) 1.5mA PIN CONFIGURATION 1A 1B 2A 1 2 3 4 5 6 7 14 VCC 13 1C 12 1Y 11 3C 10 3B 9 8 3A 3Y ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C 74ALS27N 74ALS27D DRAWING NUMBER 2B 2C 2Y GND 14-pin plastic DIP 14-pin plastic SO SOT27-1 SOT108-1 SC00014 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS nA, nB, nC nY Data inputs Data output DESCRIPTION 74ALS (U.L.) HIGH/LOW 1.0/1.0 20/80 LOAD VALUE HIGH/LOW 20µA/0.1mA 0.4mA/8mA NOTE: One (1.0) ALS unit load is defined as: 20µA in the High state and 0.1mA in the Low state. LOGIC SYMBOL IEC/IEEE SYMBOL 1 w1 12 1 2 13 3 4 5 9 10 11 2 13 3 1A 1B 1C 2A 2B 2C 3A 3B 3C 4 5 1Y 2Y 3Y 9 10 12 VCC = Pin 14 GND = Pin 7 6 8 11 8 6 SC00016 SF00036 LOGIC DIAGRAM 1A 1B 1C 2A 2B 2C 3A 3B VCC = Pin 14 GND = Pin 7 3C 1 2 13 3 4 5 9 10 11 12 1Y FUNCTION TABLE INPUTS nA H 6 2Y OUTPUT nC X X H L nY L L L H nB X H X L X X 8 L 3Y SC00028 H = High voltage level L = Low voltage level X = Don’t care 1991 Feb 08 2 853–1162 01670 Philips Semiconductors Product specification Triple 3-input NOR gate 74ALS27 ABSOLUTE MAXIMUM RATINGS (Operation beyond the limit set forth in this table may impair the...