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SN74LS195D 数据表(PDF) 1 Page - Motorola, Inc |
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SN74LS195D 数据表(HTML) 1 Page - Motorola, Inc |
1 / 6 page 5-366 FAST AND LS TTL DATA UNIVERSAL 4-BIT SHIFT REGISTER The SN54 / 74LS195A is a high speed 4-Bit Shift Register offering typical shift frequencies of 39 MHz. It is useful for a wide variety of register and counting applications. It utilizes the Schottky diode clamped process to achieve high speeds and is fully compatible with all Motorola TTL products. • Typical Shift Right Frequency of 39 MHz • Asynchronous Master Reset • J, K Inputs to First Stage • Fully Synchronous Serial or Parallel Data Transfers • Input Clamp Diodes Limit High Speed Termination Effects 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 MR Q0 Q1 Q2 Q3 CP Q3 PE J K P0 P1 P2 P3 GND PIN NAMES LOADING (Note a) HIGH LOW PE Parallel Enable (Active LOW) Input 0.5 U.L. 0.25 U.L. P0 – P3 Parallel Data Inputs 0.5 U.L. 0.25 U.L. J First Stage J (Active HIGH) Input 0.5 U.L. 0.25 U.L. K First Stage K (Active LOW) Input 0.5 U.L. 0.25 U.L. CP Clock (Active HIGH Going Edge) Input 0.5 U.L. 0.25 U.L. MR Master Reset (Active LOW) Input 0.5 U.L. 0.25 U.L. Q0 – Q3 Parallel Outputs (Note b) 10 U.L. 5 (2.5) U.L. Q3 Complementary Last Stage Output (Note b) 10 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) b. Temperature Ranges. SN54/74LS195A UNIVERSAL 4-BIT 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 2 10 3 4 5 6 7 11 12 13 14 15 1 9 J PE CP K MR P0 P1 P2 P3 Q0 Q1 Q2 Q3 Q3 VCC = PIN 16 GND = PIN 8 |
类似零件编号 - SN74LS195D |
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类似说明 - SN74LS195D |
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