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SN54LS165J Datasheet(PDF) 1 Page - Motorola, Inc |
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SN54LS165J Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 6 page 5-290 FAST AND LS TTL DATA 8-BIT PARALLEL-TO-SERIAL SHIFT REGISTER The SN54 / 74LS165 is an 8-bit parallel load or serial-in register with complementary outputs available from the last stage. Parallel inputing occurs asynchronously when the Parallel Load (PL) input is LOW. With PL HIGH, serial shifting occurs on the rising edge of the clock; new data enters via the Serial Data (DS) input. The 2-input OR clock can be used to combine two independent clock sources, or one input can act as an active LOW clock enable. CONNECTION DIAGRAM DIP (TOP VIEW) NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package. 14 13 12 11 10 9 1 2 3 4 5 6 7 16 15 8 VCC PL CP2 P3 P2 P1 DS P0 Q7 CP1 P4 P5 P6 P7 Q7 GND PIN NAMES LOADING (Note a) HIGH LOW CP1, CP2 DS PL P0 – P7 Q7 Q7 Clock (LOW-to-HIGH Going Edge) Inputs Serial Data Input Asynchronous Parallel Load (Active LOW) Input Parallel Data Inputs Serial Output from Last State (Note b) Complementary Output (Note b) 0.5 U.L. 0.5 U.L. 1.5 U.L. 0.5 U.L. 10 U.L. 10 U.L. 0.25 U.L. 0.25 U.L. 0.75 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. TRUTH TABLE PL CP CONTENTS RESPONSE PL 1 2 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 RESPONSE L X X P0 P1 P2 P3 P4 P5 P6 P7 Parallel Entry H L DS Q0 Q1 Q2 Q3 Q4 Q5 Q6 Right Shift H H Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 No Change H L DS Q0 Q1 Q2 Q3 Q4 Q5 Q6 Right Shift H H Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 No Change H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial SN54/74LS165 8-BIT PARALLEL-TO-SERIAL SHIFT REGISTER 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 1 11 12 13 14 3 4 5 6 9 7 10 2 15 DS CP Q7 Q7 PL P0P1 P2 P3P4 P5P6 P7 |
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