| 137881 | 74FR543 | Octal Latched Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137882 | 74FR543 | Octal Latched Transceiver with TRI-STATE Outputs | National Semiconductor |
| 137883 | 74FR543SC | Octal Latched Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137884 | 74FR543SCX | Octal Latched Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137885 | 74FR543SPC | Octal Latched Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137886 | 74FR573 | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 137887 | 74FR573 | Octal D-Type Latch with TRI-STATE Outputs | National Semiconductor |
| 137888 | 74FR573PC | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 137889 | 74FR573SC | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 137890 | 74FR573SCX | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 137891 | 74FR74 | Dual D-Type Flip-Flop | Fairchild Semiconductor |
| 137892 | 74FR74 | Dual D-Type Flip-Flop | National Semiconductor |
| 137893 | 74FR74PC | Dual D-Type Flip-Flop | Fairchild Semiconductor |
| 137894 | 74FR74SC | Dual D-Type Flip-Flop | Fairchild Semiconductor |
| 137895 | 74FR900 | 9-Bit, 3-Port Latchable Datapath Multiplexer | Fairchild Semiconductor |
| 137896 | 74FR900 | 9-Bit, 3-Port Latchable Datapath Multiplexer | National Semiconductor |
| 137897 | 74FR900SSC | 9-Bit / 3-Port Latchable Datapath Multiplexer | Fairchild Semiconductor |
| 137898 | 74FR900SSCX | 9-Bit 3-Port Latchable Datapath Multiplexer | Fairchild Semiconductor |
| 137899 | 74FR9240 | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
|
| 137900 | 74FR9240 | 9-Bit Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 137901 | 74FR9240SC | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137902 | 74FR9240SCX | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137903 | 74FR9240SPC | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137904 | 74FR9244 | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137905 | 74FR9244 | 9-Bit Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 137906 | 74FR9244SC | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137907 | 74FR9244SCX | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137908 | 74FR9244SPC | 9-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 137909 | 74FR9245 | 9-Bit Bidirectional Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137910 | 74FR9245 | 9-Bit Bidirectional Transceiver with TRI-STATE Outputs | National Semiconductor |
| 137911 | 74FR9245MSA | 9-Bit Bidirectional Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137912 | 74FR9245MSAX | 9-Bit Bidirectional Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137913 | 74FR9245SC | 9-Bit Bidirectional Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137914 | 74FR9245SCX | 9-Bit Bidirectional Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137915 | 74FR9245SPC | 9-Bit Bidirectional Transceiver with 3-STATE Outputs | Fairchild Semiconductor |
| 137916 | 74FST3125 | 4-Bit Bus Switch | ON Semiconductor |
| 137917 | 74FST3125 | 4-Bit Bus Switch | ON Semiconductor |
| 137918 | 74FST3125-D | 4-Bit Bus Switch | ON Semiconductor |
| 137919 | 74FST3125D | 4-Bit Bus Switch | ON Semiconductor |
| 137920 | 74FST3125D | 4-Bit Bus Switch | ON Semiconductor |
