74F40

www.DataSheet4U.com Philips Semiconductors FAST Products Product specification Dual 4-input NAND buffer 74F40 TYPE TYPICAL PROPAGATION DELAY 3.5ns TYPICAL SUPPLY CURRENT (TOTAL) 6mA PIN CONFIGURATION D0a D0b NC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC D1d D1c NC D1b D1a Q1 74F40 ORDERING INFORMATION DESCRIPTION 14-pin plastic DIP 14-pin plastic SO COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F40N N74F40D D0c D0d Q0 GND SF00065 INPUT AND OUTPUT LOADING AND FAN OUT TABLE PINS Dna, Dnb, Dnc, Dnd Q0, Q1 Data inputs Data outputs DESCRIPTION 74F (U.L.) HIGH/LOW 1.0/2.0 750/106.7 LOAD VALUE HIGH/LOW 20µA/1.2mA 15mA/64mA NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state. LOGIC DIAGRAM D0a D0b D0c D0d 1 2 6 4 5 Q0 FUNCTION TABLE INPUTS Dna L X X X Dnb X L X X Dnc X X L X H Dnd X X X X H OUTPUT Qn H H H H L D1a D1b D1c D1d VCC = Pin 14 GND = Pin 7 NC = Pin 3, 11 9 10 8 12 13 Q1 H H NOTES: 1. H = High voltage level 2. L = Low voltage level 3. X = Don’t care SF00081 LOGIC SYMBOL IEC/IEEE SYMBOL 1 & 6 1 2 4 5 9 10 12 13 2 4 D0a D0b D0c D0d D1a D1b D1c D1d 5 Q0 Q1 9 10 8 12 6 VCC = Pin 14 GND = Pin 7 NC = Pin 3, 11 8 13 SF00082 SF00083 April 11, 1989 1 853–0053 96314 Philips Semiconductors FAST Products Product specification Dual 4-input NAND buffer 74F40 ABSOLUTE MAXIMUM RATINGS (Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise n...