| Fabricante Electrónico | No. de pieza | Datasheet | Descripción Electrónicos |
 National Semiconductor ... | DM74LS181 |  193Kb/7P | 4-BIT ARITHMETIC LOGIC UNIT |
| DM74LS181N |  154Kb/10P | 4-Bit Arithmetic Logic Unit |
 National Semiconductor ... | DM74LS181N |  193Kb/7P | 4-BIT ARITHMETIC LOGIC UNIT |
 National Semiconductor ... | DM74LS181N |  154Kb/10P | 4-Bit Arithmetic Logic Unit |
 National Semiconductor ... | DM74LS181N |  193Kb/7P | 4-BIT ARITHMETIC LOGIC UNIT |
| DM74LS10 |  120Kb/6P | Triple 3-Input NAND Gates |
 National Semiconductor ... | DM74LS107A |  119Kb/6P | Dual Negative-Edge- Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs |
| DM74LS107AM |  119Kb/6P | Dual Negative-Edge- Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs |
| DM74LS107AN |  119Kb/6P | Dual Negative-Edge- Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs |
 National Semiconductor ... | DM74LS109A |  135Kb/6P | Dual Positive-Edge-Triggered J-K Flip-Flops with Preset, Clear, and Complementary Outputs |
 National Semiconductor ... | DM74LS109AJ |  135Kb/6P | Dual Positive-Edge-Triggered J-K Flip-Flops with Preset, Clear, and Complementary Outputs |
| DM74LS109AM |  135Kb/6P | Dual Positive-Edge-Triggered J-K Flip-Flops with Preset, Clear, and Complementary Outputs |
 National Semiconductor ... | DM74LS109AN |  135Kb/6P | Dual Positive-Edge-Triggered J-K Flip-Flops with Preset, Clear, and Complementary Outputs |