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TTL-ICs




4 * 2-NAND

Available ICs:
Type  Description      
----  -----------------------
7400  Normal version   
7403  Open Collector   
7424  Schmitt trigger  
7426  Open Collector (15V) 
7437  Driver           
7438  Open Collector / driver
                   ___
Used logic:    Y = A*B

 Input     Output
-------    ------
Pin Pin     Pin
 A   B       Y 

 L   L       H 
 L   H       H 
 H   L       H 
 H   H       L 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 4A 
      |            | 
  1Y -| 3       12 |- 4B 
      |    7400    | 
  2A -| 4       11 |- 4Y 
      |            | 
  2B -| 5       10 |- 3A 
      |            | 
  2Y -| 6        9 |- 3B 
      |            | 
 GND -| 7        8 |- 3Y 
      +------------+ 


4 * 2-NAND

Available ICs:
Type  Description        
----  -------------------------
7401  Open Collector     
7439  Open Collector (3 * Ilow)

                   ___
Used logic:    Y = A*B

 Input     Output
-------    ------
Pin Pin     Pin
 A   B       Y 

 L   L       H 
 L   H       H 
 H   L       H 
 H   H       L 

      +----+  +----+ 
  1Y -| 1  +--+ 14 |- +5V
      |            | 
  1A -| 2       13 |- 4Y 
      |            | 
  1B -| 3       12 |- 4A 
      |    7401    | 
  2Y -| 4       11 |- 4B 
      |            | 
  2A -| 5       10 |- 3Y 
      |            | 
  2B -| 6        9 |- 3A 
      |            | 
 GND -| 7        8 |- 3B 
      +------------+ 


4 * 2-NOR

Available ICs:
Type  Description 
----  --------------
7402  Normal version
7428  Driver  
7433  Open Collector

                   ___
Used logic:    Y = A+B

 Input     Output
-------    ------
Pin Pin     Pin
 A   B       Y 

 L   L       H 
 L   H       L 
 H   L       L 
 H   H       L 

      +----+  +----+ 
  1Y -| 1  +--+ 14 |- +5V
      |            | 
  1A -| 2       13 |- 4Y 
      |            | 
  1B -| 3       12 |- 4A 
      |    7402    | 
  2Y -| 4       11 |- 4B 
      |            | 
  2A -| 5       10 |- 3Y 
      |            | 
  2B -| 6        9 |- 3A 
      |            | 
 GND -| 7        8 |- 3B 
      +------------+ 


6 * inverter

Available ICs:
Type  Description                        
----  -----------------------------------------
7404  Normal version                     
7405  Open Collector                     
7406  Open Collector / driver / 30V      
7414  Schmitt trigger                    
7416  Open Collector / driver / 15V      
7419  Schmitt trigger / improved line receiving

                   _
Used logic:    Y = A

Input   Output
-----   ------
 Pin     Pin
  A       Y 

  L       H 
  H       L 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1Y -| 2       13 |- 6A 
      |            | 
  2A -| 3       12 |- 6Y 
      |    7404    | 
  2Y -| 4       11 |- 5A 
      |            | 
  3A -| 5       10 |- 5Y 
      |            | 
  3Y -| 6        9 |- 4A 
      |            | 
 GND -| 7        8 |- 4Y 
      +------------+ 


6 * buffer

Available ICs:
Type  Description            
----  -----------------------------
7407  Open Collector / driver / 30V
7417  Open Collector / driver / 15V


Used logic:    Y = A

Input   Output
-----   ------
 Pin     Pin
  A       Y 

  L       L 
  H       H 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1Y -| 2       13 |- 6A 
      |            | 
  2A -| 3       12 |- 6Y 
      |    7407    | 
  2Y -| 4       11 |- 5A 
      |            | 
  3A -| 5       10 |- 5Y 
      |            | 
  3Y -| 6        9 |- 4A 
      |            | 
 GND -| 7        8 |- 4Y 
      +------------+ 


4 * 2-AND

Available ICs:
Type  Description 
----  --------------
7408  Normal version
7409  Open Collector


Used logic:    Y = A*B

 Input     Output
-------    ------
Pin Pin     Pin
 A   B       Y 

 L   L       L 
 L   H       L 
 H   L       L 
 H   H       H 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 4A 
      |            | 
  1Y -| 3       12 |- 4B 
      |    7408    | 
  2A -| 4       11 |- 4Y 
      |            | 
  2B -| 5       10 |- 3A 
      |            | 
  2Y -| 6        9 |- 3B 
      |            | 
 GND -| 7        8 |- 3Y 
      +------------+ 


3 * 3-NAND

Available ICs:
Type  Description 
----  --------------
7410	Normal version
7412	Open Collector


Used logic:    Y = A*B*C

 Input        Output
-----------   ------
Pin Pin Pin    Pin
 A   B   C      Y 

 L   L   L      H 
 L   L   H      H 
 L   H   L      H 
 L   H   H      H 
 H   L   L      H 
 H   L   H      H 
 H   H   L      H 
 H   H   H      L 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 1C 
      |            | 
  2A -| 3       12 |- 1Y 
      |    7410    | 
  2B -| 4       11 |- 3A 
      |            | 
  2C -| 5       10 |- 3B 
      |            | 
  2Y -| 6        9 |- 3C 
      |            | 
 GND -| 7        8 |- 3Y 
      +------------+ 


3 * 3-AND

Available ICs:
Type  Description 
----  --------------
7411  Normal version
7415  Open Collector


Used logic:    Y = A*B*C

 Input        Output
-----------   ------
Pin Pin Pin    Pin
 A   B   C      Y

 L   L   L      L 
 L   L   H      L 
 L   H   L      L 
 L   H   H      L 
 H   L   L      L 
 H   L   H      L 
 H   H   L      L 
 H   H   H      H 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 1C 
      |            | 
  2A -| 3       12 |- 1Y 
      |    7411    | 
  2B -| 4       11 |- 3A 
      |            | 
  2C -| 5       10 |- 3B 
      |            | 
  2Y -| 6        9 |- 3C 
      |            | 
 GND -| 7        8 |- 3Y 
      +------------+ 


2 * 4-NAND

Available ICs:
Type  Description       
----  ------------------------
7413  Schmitt trigger   
7418  Schmitt trigger / driver
7420  Normal version    
7422  Open Collector    
7440  Driver            


Used logic:    Y = A*B*C*D

     Input        Output
---------------   ------
Pin Pin Pin Pin    Pin
 1   2   4   5      6

 L   x   x   x      H 
 x   L   x   x      H 
 x   x   L   x      H 
 x   x   x   L      H 
 H   H   H   H      L 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 2A 
      |            | 
  nc -| 3       12 |- 2B 
      |    7420    | 
  1C -| 4       11 |- nc 
      |            | 
  1D -| 5       10 |- 2C 
      |            | 
  1Y -| 6        9 |- 2D 
      |            | 
 GND -| 7        8 |- 2Y 
      +------------+ 


2 * 4-AND

Available ICs:
Type  Description 
----  --------------
7421  Normal version


Used logic:    Y = A*B*C*D

     Input        Output
---------------   ------
Pin Pin Pin Pin    Pin
 A   B   C   D      Y

 L   x   x   x      L 
 x   L   x   x      L 
 x   x   L   x      L 
 x   x   x   L      L 
 H   H   H   H      H 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 2A 
      |            | 
  nc -| 3       12 |- 2B 
      |    7421    | 
  1C -| 4       11 |- nc 
      |            | 
  1D -| 5       10 |- 2C 
      |            | 
  1Y -| 6        9 |- 2D 
      |            | 
 GND -| 7        8 |- 2Y 
      +------------+ 


2 * 4-NOR with strobe

Available ICs:
Type  Description 
----  --------------
7425  Normal version


Used logic:    Y = G*(A+B+C+D)

       Input          Output
-------------------   ------
Pin Pin Pin Pin Pin    Pin
 G   A   B   C   D      Y

 L   x   x   x   x      H 
 H   H   x   x   x      L 
 H   x   H   x   x      L 
 H   x   x   H   x      L 
 H   x   x   x   H      L 
 H   L   L   L   L      H 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 2A 
      |            | 
   G -| 3       12 |- 2B 
      |    7425    | 
  1C -| 4       11 |- G
      |            | 
  1D -| 5       10 |- 2C 
      |            | 
  1Y -| 6        9 |- 2D 
      |            | 
 GND -| 7        8 |- 2Y 
      +------------+ 


3 * 3-NOR

Available ICs:
Type  Description 
----  --------------
7427  Normal version


Used logic:    Y = A+B+C

 Input        Output
-----------   ------
Pin Pin Pin    Pin
 A   B   C      Y

 L   L   L      H 
 L   L   H      L 
 L   H   L      L 
 L   H   H      L 
 H   L   L      L 
 H   L   H      L 
 H   H   L      L 
 H   H   H      L 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 1C 
      |            | 
  2A -| 3       12 |- 1Y 
      |    7427    | 
  2B -| 4       11 |- 3A 
      |            | 
  2C -| 5       10 |- 3B 
      |            | 
  2Y -| 6        9 |- 3C 
      |            | 
 GND -| 7        8 |- 3Y 
      +------------+ 


1 * 8-NAND

 Available ICs:
Type  Description 
----  --------------
7430	Normal version


Used logic:    Y = A*B*C*D*E*F*G*H

             Input                Output
-------------------------------   ------
Pin Pin Pin Pin Pin Pin Pin Pin    Pin
 A   B   C   D   E   F   G   H      Y

 L   x   x   x   x   x   x   x      H 
 x   L   x   x   x   x   x   x      H 
 x   x   L   x   x   x   x   x      H 
 x   x   x   L   x   x   x   x      H 
 x   x   x   x   L   x   x   x      H 
 x   x   x   x   x   L   x   x      H 
 x   x   x   x   x   x   L   x      H 
 x   x   x   x   x   x   x   L      H 
 H   H   H   H   H   H   H   H      L

      +----+  +----+ 
   A -| 1  +--+ 14 |- +5V
      |            | 
   B -| 2       13 |- nc 
      |            | 
   C -| 3       12 |- G
      |    7430    | 
   D -| 4       11 |- H
      |            | 
   E -| 5       10 |- nc 
      |            | 
   F -| 6        9 |- nc 
      |            | 
 GND -| 7        8 |- Y
      +------------+ 


Delay elements

Available ICs:
Type  Description 
----  --------------
7431	Normal version

Delay in ns.

Element        TPLH  TPHL  AVG   Gates
-------        ----  ----  ----  -----
Inverting       32    23   27.5   1, 6
Non-inverting   45    48   46.5   2, 5
NAND             6     6    6     3, 4

      +----+  +----+ 
  1A -| 1  +--+ 16 |- +5V
      |            |        1Y -| 2       15 |- 6A 
      |            | 
  2A -| 3       14 |- 6Y 
      |            | 
  2Y -| 4       13 |- 5A 
      |    7431    | 
  3A -| 5       12 |- 5Y 
      |            | 
  3B -| 6       11 |- 4A 
      |            | 
  3Y -| 7       10 |- 4B 
      |            | 
 GND -| 8        9 |- 4Y 
      +------------+ 


4 * 2-OR

Available ICs:
Type  Description 
----  --------------
7432	Normal version


Used logic:    Y = A+B

 Input     Output
-------    ------
Pin Pin     Pin
 A   B       Y 

 L   L       L 
 L   H       H 
 H   L       H 
 H   H       H 

      +----+  +----+ 
  1A -| 1  +--+ 14 |- +5V
      |            | 
  1B -| 2       13 |- 4A 
      |            | 
  1Y -| 3       12 |- 4B 
      |    7432    | 
  2A -| 4       11 |- 4Y 
      |            | 
  2B -| 5       10 |- 3A 
      |            | 
  2Y -| 6        9 |- 3B 
      |            | 
 GND -| 7        8 |- 3Y 
      +------------+ 


4-to-10 inverting BCD-decoder

Available ICs:
Type   Description 
-----  --------------
7442   Normal version
7445   Open Collector (30 V)
74145  Open Collector (15 V)
74445  Open Collector (7 V)

    Input        Output
-------------    ------
 D  C  B  A       Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 

 L  L  L  L       L  H  H  H  H  H  H  H  H  H 
 L  L  L  H       H  L  H  H  H  H  H  H  H  H 
 L  L  H  L       H  H  L  H  H  H  H  H  H  H 
 L  L  H  H       H  H  H  L  H  H  H  H  H  H 
 L  H  L  L       H  H  H  H  L  H  H  H  H  H 
 L  H  L  H       H  H  H  H  H  L  H  H  H  H 
 L  H  H  L       H  H  H  H  H  H  L  H  H  H 
 L  H  H  H       H  H  H  H  H  H  H  L  H  H 
 H  L  L  L       H  H  H  H  H  H  H  H  L  H 
 H  L  L  H       H  H  H  H  H  H  H  H  H  L 
 H  L  H  L       H  H  H  H  H  H  H  H  H  H 
 H  L  H  H       H  H  H  H  H  H  H  H  H  H 
 H  H  L  L       H  H  H  H  H  H  H  H  H  H 
 H  H  L  H       H  H  H  H  H  H  H  H  H  H 
 H  H  H  L       H  H  H  H  H  H  H  H  H  H 
 H  H  H  H       H  H  H  H  H  H  H  H  H  H 

      +----+  +----+ 
  Y0 -| 1  +--+ 16 |- +5V       |            | 
  Y1 -| 2       15 |- A
      |            | 
  Y2 -| 3       14 |- B
      |            | 
  Y3 -| 4       13 |- C
      |    7442    | 
  Y4 -| 5       12 |- D
      |            | 
  Y5 -| 6       11 |- Y9 
      |            | 
  Y6 -| 7       10 |- Y8 
      |            | 
 GND -| 8        9 |- Y7 
      +------------+ 


D-Flip-flop

Available ICs:
Type  Description 
----  --------------
7474  Normal version

           Input          Output
-----------------------   ------
                              _ 
Preset Clear Clock Data    Q  Q 
  L      H     x    x      H  L 
  H      L     x    x      L  H 
  L      L     x    x      H  H 
  L      H     x    x      H  L 
  H      H     /    H      H  L 
  H      H     /    L      L  H 
  H      H     L    x      -  - 
 
/ Positive edge           
x Don't care              
* No change               


JK-Flip-flop

Available ICs:
Type   Description             
-----  ------------------------------
7476   Positive level triggered clock
7476A  Negative edge triggered clock 

7476        
           Input            Output
-------------------------   ------
                                _ 
Preset Clear Clock  J  K     Q  Q 
  L      H     x    x  x     H  L 
  H      L     x    x  x     L  H 
  L      L     x    x  x     H  H 
  H      H     H    L  L     -  - 
  H      H     H    H  L     H  L 
  H      H     H    L  H     L  H 
  H      H     H    H  H     T  T 


7476A        
           Input            Output
-------------------------   ------
                                _ 
Preset Clear Clock  J  K     Q  Q 
  L      H     x    x  x     H  L 
  H      L     x    x  x     L  H 
  L      L     x    x  x     H  H 
  H      H     \    L  L     -  - 
  H      H     \    H  L     H  L 
  H      H     \    L  H     L  H 
  H      H     \    H  H     T  T 
  H      H     H    x  x     -  - 

\ Negative edge             
T Toggle                    
x Don't care                
* No change                 


4 * 2-EXOR

Available ICs:
Type  Description 
----  --------------
7486  Normal version

                   _     _
Used logic:    Y = A*B+A*B

 Input     Output
-------    ------
Pin Pin     Pin
 1   2       3 

 L   L       L 
 L   H       H 
 H   L       H 
 H   H       L 


1 * 13-NAND

Available ICs:
Type   Description 
-----  --------------
74133  Normal version


Used logic:    Y = A*B*C*D*E*F*G*H*I*J*K*L*M



3 to 8 multiplexer

Available ICs:
Type   Description 
----   --------------
74138  Normal version

Input                   Output   
---------------------  ------------------------
/G1  /G2  G  A  B  C    0  1  2  3  4  5  6  7 
 H    x   x  x  x  x    H  H  H  H  H  H  H  H 
 x    H   x  x  x  x    H  H  H  H  H  H  H  H 
 x    x   L  x  x  x    H  H  H  H  H  H  H  H 
 L    L   H  L  L  L    L  H  H  H  H  H  H  H 
 L    L   H  L  L  H    H  L  H  H  H  H  H  H 
 L    L   H  L  H  L    H  H  L  H  H  H  H  H 
 L    L   H  L  H  H    H  H  H  L  H  H  H  H 
 L    L   H  H  L  L    H  H  H  H  L  H  H  H 
 L    L   H  H  L  H    H  H  H  H  H  L  H  H 
 L    L   H  H  H  L    H  H  H  H  H  H  L  H 
 L    L   H  H  H  H    H  H  H  H  H  H  H  L 


2 * (2 to 4 multiplexer)

Available ICs:
Type   Description 
----   --------------
74139  Normal version

   Input        Output
---------   ------------
/G  A  B     0  1  2  3 
 H  x  x     H  H  H  H 
 L  L  L     L  H  H  H 
 L  L  H     H  L  H  H 
 L  H  L     H  H  L  H 
 L  H  H     H  H  H  L 





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