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-flipflop
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-flipflop
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
You can email me here.