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74756 Dual 4-bit open-collector inverting buffer/line driver. +---+--+---+ /1OE |1 +--+ 20| VCC 1A1 |2 19| /2OE /2Y4 |3 18| /1Y1 1A2 |4 17| 2A4 /2Y3 |5 74 16| /1Y2 1A3 |6 756 15| 2A3 /2Y2 |7 14| /1Y3 1A4 |8 13| 2A2 /2Y1 |9 12| /1Y4 GND |10 11| 2A1 +----------+
74757 Dual 4-bit open-collector noninverting buffer/line driver. One active low, one active high output enable. +---+--+---+ /1OE |1 +--+ 20| VCC 1A4 |2 19| 2OE 2Y1 |3 18| 1Y1 1A3 |4 17| 2A4 2Y2 |5 74 16| 1Y2 1A2 |6 757 15| 2A3 2Y3 |7 14| 1Y3 1A1 |8 13| 2A2 2Y4 |9 12| 1Y4 GND |10 11| 2A1 +----------+
74758 4-bit open-collector inverting bus transceiver. Two enable pins control output enables, one active high and one active low. +---+--+---+ /GAB |1 +--+ 14| VCC |2 13| GBA A1 |3 74 12| A2 |4 758 11| B1 A3 |5 10| B2 A4 |6 9| B3 GND |7 8| B4 +----------+
74760 Dual 4-bit open-collector noninverting buffer/line driver. +---+--+---+ /1OE |1 +--+ 20| VCC 1A1 |2 19| /2OE 2Y4 |3 18| 1Y1 1A2 |4 17| 2A4 2Y3 |5 74 16| 1Y2 1A3 |6 760 15| 2A3 2Y2 |7 14| 1Y3 1A4 |8 13| 2A2 2Y1 |9 12| 1Y4 GND |10 11| 2A1 +----------+
* - 本贴最后修改时间:2002-12-9 18:46:59 修改者:autwl * - 修改原因:.
autwl 发表于 2002-12-9 18:34 技术交流 ←返回版面
补充1 ZT
74804 Hex 2-input NAND gates/line drivers. +---+--+---+ +---+---*---+ __ 1A |1 +--+ 20| VCC | A | B |/Y | /Y = AB 1B |2 19| 6B +===+===*===+ /1Y |3 18| 6A | 0 | 0 | 1 | 2A |4 17| /6Y | 0 | 1 | 1 | 2B |5 74 16| 5B | 1 | 0 | 1 | /2Y |6 804 15| 5A | 1 | 1 | 0 | 3A |7 14| /5Y +---+---*---+ 3B |8 13| 4B /3Y |9 12| 4A GND |10 11| /4Y +----------+
74805 Hex 2-input NOR gates/line drivers. +---+--+---+ +---+---*---+ ___ 1A |1 +--+ 20| VCC | A | B |/Y | /Y = A+B 1B |2 19| 6B +===+===*===+ /1Y |3 18| 6A | 0 | 0 | 1 | 2A |4 17| /6Y | 0 | 1 | 0 | 2B |5 74 16| 5B | 1 | 0 | 0 | /2Y |6 805 15| 5A | 1 | 1 | 0 | 3A |7 14| /5Y +---+---*---+ 3B |8 13| 4B /3Y |9 12| 4A GND |10 11| /4Y +----------+
74808 Hex 2-input AND gates/line drivers. +---+--+---+ +---+---*---+ 1A |1 +--+ 20| VCC | A | B | Y | Y = AB 1B |2 19| 6B +===+===*===+ 1Y |3 18| 6A | 0 | 0 | 0 | 2A |4 17| 6Y | 0 | 1 | 0 | 2B |5 74 16| 5B | 1 | 0 | 0 | 2Y |6 808 15| 5A | 1 | 1 | 1 | 3A |7 14| 5Y +---+---*---+ 3B |8 13| 4B 3Y |9 12| 4A GND |10 11| 4Y +----------+
74821 10-bit 3-state D flip-flop/bus driver. +---+--+---+ +---+---+---*---+ /OE |1 +--+ 24| VCC |/OE|CLK| D | Q | D1 |2 23| Q1 +===+===+===*===+ D2 |3 22| Q2 | 1 | X | X | Z | D3 |4 21| Q3 | 0 | / | 0 | 0 | D4 |5 20| Q4 | 0 | / | 1 | 1 | D5 |6 74 19| Q5 | 0 |!/ | X | - | D6 |7 821 18| Q6 +---+---+---*---+ D7 |8 17| Q7 D8 |9 16| Q8 D9 |10 15| Q9 D10 |11 14| Q10 GND |12 13| CLK +----------+
74822 10-bit 3-state inverting D flip-flop/bus driver. +---+--+---+ +---+---+---*---+ /OE |1 +--+ 24| VCC |/OE|CLK| D |/Q | D1 |2 23| /Q1 +===+===+===*===+ D2 |3 22| /Q2 | 1 | X | X | Z | D3 |4 21| /Q3 | 0 | / | 0 | 1 | D4 |5 20| /Q4 | 0 | / | 1 | 0 | D5 |6 74 19| /Q5 | 0 |!/ | X | - | D6 |7 822 18| /Q6 +---+---+---*---+ D7 |8 17| /Q7 D8 |9 16| /Q8 D9 |10 15| /Q9 D10 |11 14| /Q10 GND |12 13| CLK +----------+
74823 9-bit 3-state D flip-flop/bus driver with clock enable and reset. +---+--+---+ /OE |1 +--+ 24| VCC D1 |2 23| Q1 D2 |3 22| Q2 D3 |4 21| Q3 D4 |5 20| Q4 D5 |6 74 19| Q5 D6 |7 823 18| Q6 D7 |8 17| Q7 D8 |9 16| Q8 D9 |10 15| Q9 /RST |11 14| /CLKEN GND |12 13| CLK +----------+
74825 8-bit 3-state D flip-flop/bus driver with three output enables, clock enable and reset. +---+--+---+ /OE1 |1 +--+ 24| VCC /OE2 |2 23| /OE3 D1 |3 22| Q1 D2 |4 21| Q2 D3 |5 20| Q3 D4 |6 74 19| Q4 D5 |7 825 18| Q5 D6 |8 17| Q6 D7 |9 16| Q7 D8 |10 15| Q8 /RST |11 14| /CLKEN GND |12 13| CLK +----------+
74827 10-bit 3-state noninverting buffer/line driver. +---+--+---+ /OE1 |1 +--+ 24| VCC A1 |2 23| Y1 A2 |3 22| Y2 A3 |4 21| Y3 A4 |5 20| Y4 A5 |6 742 19| Y5 A6 |7 827 18| Y6 A7 |8 17| Y7 A8 |9 16| Y8 A9 |10 15| Y9 A10 |11 14| Y10 GND |12 13| /OE2 +----------+
74832 Hex 2-input OR gates/line drivers. +---+--+---+ +---+---*---+ 1A |1 +--+ 20| VCC | A | B | Y | Y = A+B 1B |2 19| 6B +===+===*===+ 1Y |3 18| 6A | 0 | 0 | 0 | 2A |4 17| 6Y | 0 | 1 | 1 | 2B |5 74 16| 5B | 1 | 0 | 1 | 2Y |6 832 15| 5A | 1 | 1 | 1 | 3A |7 14| 5Y +---+---*---+ 3B |8 13| 4B 3Y |9 12| 4A GND |10 11| 4Y +----------+
74833 8-bit 3-state noninverting bus transceiver with parity generator/checker and parity register. +---+--+---+ /OEA |1 +--+ 24| VCC A1 |2 23| B1 A2 |3 22| B2 A3 |4 21| B3 A4 |5 20| B4 A5 |6 74 19| B5 A6 |7 833 18| B6 A7 |8 17| B7 A8 |9 16| B8 /ERROR |10 15| PAR /CLR |11 14| /OEB GND |12 13| CLK +----------+
74841 10-bit 3-state transparent latch/bus driver. +---+--+---+ +---+---+---*---+ /OE |1 +--+ 24| VCC |/OE| LE| D | Q | D1 |2 23| Q1 +===+===+===*===+ D2 |3 22| Q2 | 1 | X | X | Z | D3 |4 21| Q3 | 0 | 0 | X | - | D4 |5 20| Q4 | 0 | 1 | 0 | 0 | D5 |6 74 19| Q5 | 0 | 1 | 1 | 1 | D6 |7 841 18| Q6 +---+---+---*---+ D7 |8 17| Q7 D8 |9 16| Q8 D9 |10 15| Q9 D10 |11 14| Q10 GND |12 13| LE +----------+
74843 9-bit 3-state transparent latch/bus driver with set and reset. +---+--+---+ +----+----+---+---+---*---+ /OE |1 +--+ 24| VCC |/RST|/SET|/OE| LE| D | Q | D1 |2 23| Q1 +====+====+===+===+===*===+ D2 |3 22| Q2 | 0 | 1 | 0 | X | X | 0 | D3 |4 21| Q3 | 1 | 0 | 0 | X | X | 0 | D4 |5 20| Q4 | X | X | 1 | X | X | Z | D5 |6 74 19| Q5 | 1 | 1 | 0 | 0 | X | - | D6 |7 843 18| Q6 | 1 | 1 | 0 | 1 | 0 | 0 | D7 |8 17| Q7 | 1 | 1 | 0 | 1 | 1 | 1 | D8 |9 16| Q8 +----+----+---+---+---*---+ D9 |10 15| Q9 /RST |11 14| /SET GND |12 13| LE +----------+
74845 8-bit 3-state transparent latch/bus driver with three output enables, set and reset. +---+--+---+ /OE1 |1 +--+ 24| VCC /OE2 |2 23| /OE3 D1 |3 22| Q1 D2 |4 21| Q2 D3 |5 20| Q3 D4 |6 74 19| Q4 D5 |7 845 18| Q5 D6 |8 17| Q6 D7 |9 16| Q7 D8 |10 15| Q8 /RST |11 14| /SET GND |12 13| LE +----------+
74857 12-to-6 line inverting/noninverting data selector/multiplexer with masking and zero detect. +---+--+---+ S0 |1 +--+ 24| VCC 1A0 |2 23| S1 1A1 |3 22| 6A0 1Y |4 21| 6A1 2A0 |5 20| 6Y 2A1 |6 74 19| 5A0 2Y |7 857 18| 5A1 3A0 |8 17| 5Y 3A1 |9 16| 4A0 3Y |10 15| 4A1 ZD |11 14| 4Y GND |12 13| COMP +----------+
74861 10-bit 3-state noninverting bus transceiver. +---+--+---+ /GBA |1 +--+ 24| VCC A1 |2 23| B1 A2 |3 22| B2 A3 |4 21| B3 A4 |5 20| B4 A5 |6 74 19| B5 A6 |7 861 18| B6 A7 |8 17| B7 A8 |9 16| B8 A9 |10 15| B9 A10 |11 14| B10 GND |12 13| /GAB +----------+
74863 9-bit 3-state noninverting bus transceiver. +---+--+---+ /GBA1 |1 +--+ 24| VCC A1 |2 23| B1 A2 |3 22| B2 A3 |4 21| B3 A4 |5 20| B4 A5 |6 74 19| B5 A6 |7 863 18| B6 A7 |8 17| B7 A8 |9 16| B8 A9 |10 15| B9 /GBA2 |11 14| /GAB2 GND |12 13| /GAB1 +----------+
74867 8-bit synchronous binary up/down counter with load, asynchronous reset and ripple carry output. +---+--+---+ S0 |1 +--+ 24| VCC S1 |2 23| /ENP P0 |3 22| Q0 P1 |4 21| Q1 P2 |5 20| Q2 P3 |6 74 19| Q3 P4 |7 867 18| Q4 P5 |8 17| Q5 P6 |9 16| Q6 P7 |10 15| Q7 /ENT |11 14| CLK GND |12 13| /RCO +----------+
74869 8-bit synchronous binary up/down counter with load, reset and ripple carry output. +---+--+---+ S0 |1 +--+ 24| VCC S1 |2 23| /ENP P0 |3 22| Q0 P1 |4 21| Q1 P2 |5 20| Q2 P3 |6 74 19| Q3 P4 |7 869 18| Q4 P5 |8 17| Q5 P6 |9 16| Q6 P7 |10 15| Q7 /ENT |11 14| CLK GND |12 13| /RCO +----------+
74873 Dual 4-bit 3-state transparent latch with reset. +---+--+---+ /1RST |1 +--+ 24| VCC /1OE |2 23| 1LE 1D1 |3 22| 1Q1 1D2 |4 21| 1Q2 1D3 |5 20| 1Q3 1D4 |6 74 19| 1Q4 2D1 |7 873 18| 2Q1 2D2 |8 17| 2Q2 2D3 |9 16| 2Q3 2D4 |10 15| 2Q4 /2OE |11 14| 2LE GND |12 13| /2RST +----------+
74874 Dual 4-bit 3-state D flip-flops with reset. +---+--+---+ +----+---+---+---*---+ /1RST |1 +--+ 24| VCC |/RST|/OE|CLK| D | Q | /1OE |2 23| 1CLK +====+===+===+===*===+ 1D1 |3 22| 1Q1 | 0 | 1 | X | X | Z | 1D2 |4 21| 1Q2 | X | 0 | X | X | 0 | 1D3 |5 20| 1Q3 | 1 | 0 | / | 0 | 0 | 1D4 |6 74 19| 1Q4 | 1 | 0 | / | 1 | 1 | 2D1 |7 874 18| 2Q1 | 1 | 0 |!/ | X | - | 2D2 |8 17| 2Q2 +----+---+---+---*---+ 2D3 |9 16| 2Q3 2D4 |10 15| 2Q4 /2OE |11 14| 2CLK GND |12 13| /2RST +----------+
74878 Dual 4-bit 3-state D flip-flops with reset. +---+--+---+ +----+---+---+---*---+ /1RST |1 +--+ 24| VCC |/RST|/OE|CLK| D | Q | /1OE |2 23| 1CLK +====+===+===+===*===+ 1D1 |3 22| 1Q1 | 0 | 1 | X | X | Z | 1D2 |4 21| 1Q2 | X | 0 | X | X | 0 | 1D3 |5 20| 1Q3 | 1 | 0 | / | 0 | 0 | 1D4 |6 74 19| 1Q4 | 1 | 0 | / | 1 | 1 | 2D1 |7 878 18| 2Q1 | 1 | 0 |!/ | X | - | 2D2 |8 17| 2Q2 +----+---+---+---*---+ 2D3 |9 16| 2Q3 2D4 |10 15| 2Q4 /2OE |11 14| 2CLK GND |12 13| /2RST +----------+
74881 4-bit 16-function arithmetic logic unit (ALU) +---+--+---+ /B0 |1 +--+ 24| VCC /A0 |2 23| /A1 S3 |3 22| /B1 S2 |4 21| /A2 S1 |5 20| /B2 S0 |6 74 19| /A3 CIN |7 881 18| /B3 M |8 17| /G /F0 |9 16| COUT /F1 |10 15| /P /F2 |11 14| A=B GND |12 13| /F3 +----------+
74885 8-bit noninverting magnitude comparator with cascade inputs and latchable A inputs. +---+--+---+ L+/A |1 +--+ 24| VCC IA<B |2 23| ALE IA>B |3 22| A7 B7 |4 21| A6 B6 |5 20| A5 B5 |6 74 19| A4 B4 |7 885 18| A3 B3 |8 17| A2 B2 |9 16| A1 B1 |10 15| A0 B0 |11 14| OA<B GND |12 13| OA>B +----------+
74899 8-bit 3-state noninverting latchable bus transceiver with parity generator/checker and independent latch-enable inputs. +---+--+---+ O//E |1 +--+ 28| VCC /ERRA |2 27| /OEAB LEAB |3 26| B1 A1 |4 25| B2 A2 |5 24| B3 A3 |6 23| B4 A4 |7 74 22| B5 A5 |8 899 21| B6 A6 |9 20| B7 A7 |10 19| B8 A8 |11 18| BPAR APAR |12 17| LEBA /OEBA |13 16| /SEL GND |14 15| /ERRB +----------+ 74956 8-bit 3-state noninverting latched transceiver. +---+--+---+ LEAB |1 +--+ 24| VCC SAB |2 23| LEBA DIR |3 22| SBA A1 |4 21| /OE A2 |5 20| B1 A3 |6 74 19| B2 A4 |7 956 18| B3 A5 |8 17| B4 A6 |9 16| B5 A7 |10 15| B6 A8 |11 14| B7 GND |12 13| B8 +----------+
74990 8-bit transparent latch with readback. +---+--+---+ /OERB |1 +--+ 20| VCC D1 |2 19| Q1 D2 |3 18| Q2 D3 |4 17| Q3 D4 |5 74 16| Q4 D5 |6 990 15| Q5 D6 |7 14| Q6 D7 |8 13| Q7 D8 |9 12| Q8 GND |10 11| LE +----------+
74992 9-bit 3-state transparent latch with readback and reset. +---+--+---+ /OERB |1 +--+ 24| VCC D1 |2 23| Q1 D2 |3 22| Q2 D3 |4 21| Q3 D4 |5 20| Q4 D5 |6 74 19| Q5 D6 |7 992 18| Q6 D7 |8 17| Q7 D8 |9 16| Q8 D9 |10 15| Q9 /RST |11 14| /OE GND |12 13| LE +----------+
74994 10-bit transparent latch with readback. +---+--+---+ /OERB |1 +--+ 24| VCC D1 |2 23| Q1 D2 |3 22| Q2 D3 |4 21| Q3 D4 |5 20| Q4 D5 |6 74 19| Q5 D6 |7 994 18| Q6 D7 |8 17| Q7 D8 |9 16| Q8 D9 |10 15| Q9 D10 |11 14| Q10 GND |12 13| LE +----------+
741000 Quad 2-input NAND gates with buffered output. +---+--+---+ +---+---*---+ __ 1A |1 +--+ 14| VCC | A | B |/Y | /Y = AB 1B |2 13| 4B +===+===*===+ /1Y |3 7410 12| 4A | 0 | 0 | 1 | 2A |4 00 11| /4Y | 0 | 1 | 1 | 2B |5 10| 3B | 1 | 0 | 1 | /2Y |6 9| 3A | 1 | 1 | 0 | GND |7 8| /3Y +---+---*---+ +----------+
741004 Hex inverters with buffered output. +---+--+---+ +---*---+ _ 1A |1 +--+ 14| VCC | A |/Y | /Y = A /1Y |2 13| 6A +===*===+ 2A |3 7410 12| /6Y | 0 | Z | /2Y |4 04 11| 5A | 1 | 0 | 3A |5 10| /5Y +---*---+ /3Y |6 9| 4A GND |7 8| /4Y +----------+
741005 Hex open-collector inverters with buffered output. +---+--+---+ +---*---+ _ 1A |1 +--+ 14| VCC | A |/Y | /Y = A /1Y |2 13| 6A +===*===+ 2A |3 7410 12| /6Y | 0 | Z | /2Y |4 05 11| 5A | 1 | 0 | 3A |5 10| /5Y +---*---+ /3Y |6 9| 4A GND |7 8| /4Y +----------+
741032 Quad 2-input OR gates with buffered output. +---+--+---+ +---+---*---+ 1A |1 +--+ 14| VCC | A | B | Y | Y = A+B 1B |2 13| 4B +===+===*===+ 1Y |3 7410 12| 4A | 0 | 0 | 0 | 2A |4 32 11| 4Y | 0 | 1 | 1 | 2B |5 10| 3B | 1 | 0 | 1 | 2Y |6 9| 3A | 1 | 1 | 1 | GND |7 8| 3Y +---+---*---+ +----------+
743351 10-tap noninverting delay lines (20, 50 or 100ns total delay). +---+--+---+ A |1 +--+ 16| VCC |2 15| |3 14| Y1 Y2 |4 743 13| Y3 Y4 |5 351 12| Y5 Y6 |6 11| Y7 Y8 |7 10| Y9 GND |8 9| Y10 +----------+
744374 8-bit 3-state dual-ranking D flip flop. Designed to prevent metastable conditions in data synchronization applications in which setup and hold times may be violated. +---+--+---+ Q1 |1 +--+ 20| D1 Q2 |2 19| D2 Q3 |3 18| D3 Q4 |4 17| D4 GND |5 744 16| VCC Q5 |6 374 15| D5 Q6 |7 14| D6 Q7 |8 13| D7 Q8 |9 12| D8 /OE |10 11| CLK +----------+
747001 Quad 2-input AND gates with schmitt-trigger inputs. 0.8V typical input hysteresis at VCC=+5V. +---+--+---+ +---+---*---+ 1A |1 +--+ 14| VCC | A | B | Y | Y = AB 1B |2 13| 4B +===+===*===+ 1Y |3 747 12| 4A | 0 | 0 | 0 | 2A |4 001 11| 4Y | 0 | 1 | 0 | 2B |5 10| 3B | 1 | 0 | 0 | 2Y |6 9| 3A | 1 | 1 | 1 | GND |7 8| 3Y +---+---*---+ +----------+
747266 Quad 2-input XNOR gates. +---+--+---+ +---+---*---+ _ _ _ 1A |1 +--+ 14| VCC | A | B |/Y | Y = A$B = (A.B)+(A.B) 1B |2 13| 4B +===+===*===+ /1Y |3 747 12| 4A | 0 | 0 | 1 | 2A |4 266 11| /4Y | 0 | 1 | 0 | 2B |5 10| 3B | 1 | 0 | 0 | /2Y |6 9| 3A | 1 | 1 | 1 | GND |7 8| /3Y +---+---*---+ +----------+
748003 Dual 2-input NAND gates. +---+--+---+ __ 1A |1 +--+ 8| VCC /Y = AB 1B |2 748 7| 2B /1Y |3 003 6| 2A GND |4 5| /2Y +----------+
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