74ALS02
DESCRIPTION
MERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C 74ALS02N 74ALS02D DRAWING NUMBER
2Y 2A 2B GND
14-pin plastic DIP 14-pin plastic SO
SOT27-1 SOT108-1
SC00006
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS n A, n B n Y Data inputs Data output DESCRIPTION
74ALS (U.L.) HIGH/LOW 1.0/1.0 20/80 LOAD VALUE HIGH/LOW 20µA/0.1m A 0.4m A/8m A
NOTE: One (1.0) ALS unit load is defined as: 20µA in the High state and 0.1m A in the Low state.
LOGIC SYMBOL
IEC/IEEE SYMBOL
2 1 1
5 4 1A 1B 2A 2B 3A 3B 4A 4B 6
8 1Y 2Y 3Y 4Y 10 9
11 1 VCC = Pin 14 GND = Pin 7 4 10 13 13 12
SC00007
SF00010
LOGIC DIAGRAM
1A 1B 2A 2B 3A 3B 4A VCC = Pin 14 GND = Pin 7 4B 2 3 5 6 8 9 11 12 1 1Y
FUNCTION TABLE
INPUTS n A H L
10 3Y
OUTPUT n B H X L n Y L H H
2Y
X H = High voltage level L = Low voltage level X = Don’t care
SC00008
4Y
1991 Feb...
