| 157001 | 74F273SCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 157002 | 74F273SCX | Octal D flip-flop | National Semiconductor |
| 157003 | 74F273SJ | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 157004 | 74F273SJ | Octal D Flip-Flop | National Semiconductor |
| 157005 | 74F273SJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 157006 | 74F273SJX | Octal D flip-flop | National Semiconductor |
| 157007 | 74F27PC | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 157008 | 74F27SC | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 157009 | 74F27SJ | Triple 3-Input NOR Gate | Fairchild Semiconductor |
| 157010 | 74F280 | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 157011 | 74F280 | 9-Bit Parity Generator/Checker | National Semiconductor |
| 157012 | 74F280 | 9-bit odd/even parity generator/checker | Philips |
| 157013 | 74F280B | 9-bit odd/even parity generator/checker | Philips |
| 157014 | 74F280PC | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 157015 | 74F280PC | 9-Bit Parity Generator/Checker | National Semiconductor |
| 157016 | 74F280SC | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 157017 | 74F280SC | 9-Bit Parity Generator/Checker | National Semiconductor |
| 157018 | 74F280SCX | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 157019 | 74F280SJ | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
|
| 157020 | 74F280SJ | 9-Bit Parity Generator/Checker | National Semiconductor |
| 157021 | 74F280SJX | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 157022 | 74F283 | 4-Bit Binary Full Adder with Fast Carry | Fairchild Semiconductor |
| 157023 | 74F283 | 4-Bit Binary Full Adder with Fast Carry | National Semiconductor |
| 157024 | 74F283 | 4-bit binary full adder with fast carry | Philips |
| 157025 | 74F283PC | 4-Bit Binary Full Adder with Fast Carry | Fairchild Semiconductor |
| 157026 | 74F283PC | 4-Bit Binary Full Adder with Fast Carry | National Semiconductor |
| 157027 | 74F283SC | 4-Bit Binary Full Adder with Fast Carry | Fairchild Semiconductor |
| 157028 | 74F283SC | 4-Bit Binary Full Adder with Fast Carry | National Semiconductor |
| 157029 | 74F283SCX | 4-Bit Binary Full Adder with Fast Carry | Fairchild Semiconductor |
| 157030 | 74F283SJ | 4-Bit Binary Full Adder with Fast Carry | Fairchild Semiconductor |
| 157031 | 74F283SJ | 4-Bit Binary Full Adder with Fast Carry | National Semiconductor |
| 157032 | 74F283SJX | 4-Bit Binary Full Adder with Fast Carry | Fairchild Semiconductor |
| 157033 | 74F2952 | Registered transceiver, non-inverting 3-State | Philips |
| 157034 | 74F2953 | Registered transceiver, non-inverting 3-State | Philips |
| 157035 | 74F298 | Quad 2-input multiplexer with storage | Philips |
| 157036 | 74F299 | Octal Universal Shift/Storage Register with Common Parallel I/O Pins | Fairchild Semiconductor |
| 157037 | 74F299 | Octal Universal Shift/Storage Register with Common Parallel I/O Pins | National Semiconductor |
| 157038 | 74F299 | 8-bit universal shift/storage register (3-State) | Philips |
| 157039 | 74F299PC | Octal Universal Shift/Storage Register with Common Parallel I/O Pins | Fairchild Semiconductor |
| 157040 | 74F299PC | Octal Universal Shift/Storage Register with Common Parallel I/O Pins | National Semiconductor |
