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54LS151 데이터시트(PDF) 1 Page - Motorola, Inc |
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54LS151 데이터시트(HTML) 1 Page - Motorola, Inc |
1 / 5 page 5-252 FAST AND LS TTL DATA 8-INPUT MULTIPLEXER The TTL / MSI SN54 / 74LS151 is a high speed 8-input Digital Multiplexer. It provides, in one package, the ability to select one bit of data from up to eight sources. The LS151 can be used as a universal function generator to generate any logic function of four variables. Both assertion and negation outputs are provided. • Schottky Process for High Speed • Multifunction Capability • On-Chip Select Logic Decoding • Fully Buffered Complementary Outputs • Input Clamp Diodes Limit High Speed Termination Effects CONNECTION DIAGRAM DIP (TOP VIEW) 14 13 12 11 10 9 1 2 3 4 5 6 7 16 15 8 VCC I3 I4 I5 I6 I7 S1 S0 S2 I2 I1 I0 Z Z E GND PIN NAMES LOADING (Note a) HIGH LOW S0 – S2 E I0 – I7 Z Z Select Inputs Enable (Active LOW) Input Multiplexer Inputs Multiplexer Output (Note b) Complementary Multiplexer Output (Note b) 0.5 U.L. 0.5 U.L. 0.5 U.L. 10 U.L. 10 U.L. 0.25 U.L. 0.25 U.L. 0.25 U.L. 5 (2.5) U.L. 5 (2.5) U.L. NOTES: a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW. b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74) Temperature Ranges. SN54/74LS151 8-INPUT MULTIPLEXER LOW POWER SCHOTTKY J SUFFIX CERAMIC CASE 620-09 N SUFFIX PLASTIC CASE 648-08 16 1 16 1 ORDERING INFORMATION SN54LSXXXJ Ceramic SN74LSXXXN Plastic SN74LSXXXD SOIC 16 1 D SUFFIX SOIC CASE 751B-03 LOGIC SYMBOL VCC = PIN 16 GND = PIN 8 11 10 9 6 5 7 4 3 2 1 15 14 13 12 E I0 I1 I2 I3 I4 I5 I6 I7 S0 S1 S2 Z Z |
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