INTEGRATED CIRCUITS 74ABT20 Dual 4-input NAND gate Product specification 1995 Sep 22 IC23 Data Handbook Philips Semiconductors Product specification Dual 4-input NAND gate 74ABT20 QUICK REFERENCE DATA LOGIC DIAGRAM CONDITIONS 1 A0 SYMBOL PARAMETER T = 25C TYPICAL UNIT amb 2 GND = 0V B0 6 Y0 4 Propagation C0 t delay 2.7 PLH ns 5 An, Bn, Cn, Dn t 2.2 D0 PHL C = 50pF L to Yn V = 5V CCCC t Output to 9 OSLH 0.3 ns A1 t Output skew OSHL 10 B1 Input 8 C V = 0V or V 3 pF Y1 IN I CC 12 capacitance C1 13 Total supply Outputs disabled I 50 A V = Pin 14 D1 CC CC current V = 5.5V CC GND = Pin 7 SA00352 PIN CONFIGURATION LOGIC SYMBOL (IEEE/IEC) A0 1 14 V CC 1 & B0 2 13 D1 2 NC 3 12 C1 6 4 C0 4 11 NC 5 D0 5 10 B1 Y0 6 9 A1 9 GND 7 8 Y1 10 SA00350 8 12 PIN DESCRIPTION 13 PIN SYMBOL NAME AND FUNCTION NUMBER SF00068 1, 2, 4, 5, 9, An, Bn, Data inputs 10, 12, 13 Cn, Dn FUNCTION TABLE 6, 8 Yn Data outputs INPUTS OUTPUT 7 GND Ground (0V) An Bn Cn Dn Yn 14 V Positive supply voltage CC L X X X H X L X X H LOGIC SYMBOL X X L X H 12 45 9 10 12 13 X X X L H H H H H L A0 B0 C0 D0 A1 B1 C1 D1 NOTES: H = High voltage level L = Low voltage level X = Dont care Y0Y1 V = Pin 14 CC GND = Pin 7 68 SA00351 ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER 14-Pin Plastic DIP 40C to +85C 74ABT20 N 74ABT20 N SOT27-1 14-Pin plastic SO 40C to +85C 74ABT20 D 74ABT20 D SOT108-1 14-Pin Plastic SSOP Type II 40C to +85C 74ABT20 DB 74ABT20 DB SOT337-1 14-Pin Plastic TSSOP Type I 40C to +85C 74ABT20 PW 74ABT20PW DH SOT402-1 2 1995 Sep 22 853-1811 15793