| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DM54S194 |  128Kb/6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194J |  128Kb/6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194J16A |  128Kb/6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194N |  128Kb/6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194N16E |  128Kb/6P | 4-Bit Bidirectional Universal Shift Registers |
 National Semiconductor ... | DM54S194J |  128Kb/ 6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194J16A |  128Kb/ 6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194N |  128Kb/ 6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S194N16E |  128Kb/ 6P | 4-Bit Bidirectional Universal Shift Registers |
| DM54S195 |  135Kb/ 6P | Shift Registers |
| DM54S157 |  128Kb/ 5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S157J |  128Kb/ 5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S157W |  128Kb/ 5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S158 |  128Kb/ 5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S158J |  128Kb/ 5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S158W |  128Kb/ 5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S161 |  75Kb/ 6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |
| DM54S161J |  75Kb/ 6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |
| DM54S161W |  75Kb/ 6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |
| DM54S163 |  75Kb/ 6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |
| DM54S163J |  75Kb/ 6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |
| DM54S181 |  268Kb/ 9P | ARITHMETIC LOGIC UNIT/FUNCTION GENERATORS |
| DM54S181J |  268Kb/ 9P | ARITHMETIC LOGIC UNIT/FUNCTION GENERATORS |
| DM54S182 |  119Kb/ 4P | LOOK - AHEAD CARRY GENERATORS |
| DM54S182J |  119Kb/ 4P | LOOK - AHEAD CARRY GENERATORS |