Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM74C48 |  130Kb/6P | BCD-to-7 Segment Decoder |
MM74C48J |  130Kb/6P | BCD-to-7 Segment Decoder |
 National Semiconductor ... | MM74C48N |  130Kb/6P | BCD-to-7 Segment Decoder |
 National Semiconductor ... | MM74C48J |  130Kb/6P | BCD-to-7 Segment Decoder |
 National Semiconductor ... | MM74C48N |  130Kb/6P | BCD-to-7 Segment Decoder |
 National Semiconductor ... | MM74C42J |  107Kb/4P | BCD-to-Decimal Decoder |
MM74C42N |  107Kb/4P | BCD-to-Decimal Decoder |
 National Semiconductor ... | MM74C00 |  146Kb/6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |