| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM54C20 |  146Kb/ 6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |
| MM54C221 |  148Kb/ 6P | Dual Monostable Multivibrator |
| MM54C221J |  148Kb/ 6P | Dual Monostable Multivibrator |
| MM54C221N |  148Kb/ 6P | Dual Monostable Multivibrator |
| MM54C240 |  142Kb/ 6P | Octal Buffers and Line Drivers with TRI-STATE Outputs |
| MM54C240J |  142Kb/ 6P | Octal Buffers and Line Drivers with TRI-STATE Outputs |
| MM54C240N |  142Kb/ 6P | Octal Buffers and Line Drivers with TRI-STATE Outputs |
| MM54C244 |  142Kb/ 6P | Octal Buffers and Line Drivers with TRI-STATE Outputs |
| MM54C244J |  142Kb/ 6P | Octal Buffers and Line Drivers with TRI-STATE Outputs |
| MM54C244N |  142Kb/ 6P | Octal Buffers and Line Drivers with TRI-STATE Outputs |
| MM54C00 |  146Kb/ 6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |
| MM54C02 |  146Kb/ 6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |
| MM54C04 |  146Kb/ 6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |
| MM54C08 |  100Kb/ 4P | Quad 2-Input AND Gate |
| MM54C10 |  146Kb/ 6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |
| MM54C14 |  124Kb/ 6P | Hex Schmitt Trigger |