| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM74HC191 |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC191J |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC191N |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
 National Semiconductor ... | MM74HC190 |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC190J |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC190N |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC191J |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC191N |  202Kb/8P | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC192 |  180Kb/8P | Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters |
| MM74HC193 |  180Kb/8P | Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters |
| MM74HC194 |  135Kb/6P | 4-Bit Bidirectional Universal Shift Register |
| MM74HC194J |  135Kb/6P | 4-Bit Bidirectional Universal Shift Register |
| MM74HC194N |  135Kb/6P | 4-Bit Bidirectional Universal Shift Register |
| MM74HC195 |  171Kb/6P | 4-Bit Parallel Shift Register |
| MM74HC195J |  171Kb/6P | 4-Bit Parallel Shift Register |
| MM74HC195N |  171Kb/6P | 4-Bit Parallel Shift Register |
| MM74HC107 |  130Kb/6P | MM54HC107/MM74HC107 Dual J-K Flip-Flops with Clear |
| MM74HC107J |  130Kb/6P | MM54HC107/MM74HC107 Dual J-K Flip-Flops with Clear |
| MM74HC107N |  130Kb/6P | MM54HC107/MM74HC107 Dual J-K Flip-Flops with Clear |
| MM74HC11 |  81Kb/4P | Triple 3-Input AND Gate January 1988 |