Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM74C193 |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
MM74C193J |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
 National Semiconductor ... | MM74C193N |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
 National Semiconductor ... | MM74C193J |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
 National Semiconductor ... | MM74C193N |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
MM74C192 |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
 National Semiconductor ... | MM74C192J |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
 National Semiconductor ... | MM74C192N |  140Kb/6P | Synchronous 4-Bit Up/Down Decade Counter |
MM74C195 |  127Kb/6P | 4-Bit Registers |
MM74C195J |  127Kb/6P | 4-Bit Registers |
MM74C195N |  127Kb/6P | 4-Bit Registers |
MM74C10 |  146Kb/6P | Quad 2-Input NAND Gate, Quad 2-Input NOR Gate, Hex Inverter, Triple 3-Input NAND Gate, Dual 4-Input NAND Gate |