| 131241 | 54AC574DMQB | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131242 | 54AC574DMQB | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131243 | 54AC574F | Octal D-Type Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131244 | 54AC574FMQB | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131245 | 54AC574FMQB | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131246 | 54AC574L | Octal D-Type Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131247 | 54AC574LMQB | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131248 | 54AC574LMQB | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131249 | 54AC646 | Octal Bus Transceiver and Register with TRI-STATE Outputs | National Semiconductor |
| 131250 | 54AC646F | Octal Transceiver/Register with TRI-STATE Outputs | National Semiconductor |
| 131251 | 54AC646FM-MLS | Octal Bus Transceiver and Register with TRI-STATE Outputs | National Semiconductor |
| 131252 | 54AC646FMQB-RH | Octal Bus Transceiver and Register with TRI-STATE Outputs | National Semiconductor |
| 131253 | 54AC646L | Octal Transceiver/Register with TRI-STATE Outputs | National Semiconductor |
| 131254 | 54AC646LMQB-RH | Octal Bus Transceiver and Register with TRI-STATE Outputs | National Semiconductor |
| 131255 | 54AC646MDA | Octal Bus Transceiver and Register with TRI-STATE Outputs | National Semiconductor |
| 131256 | 54AC646SD | Octal Transceiver/Register with TRI-STATE Outputs | National Semiconductor |
| 131257 | 54AC646SDMQB-RH | Octal Bus Transceiver and Register with TRI-STATE Outputs | National Semiconductor |
| 131258 | 54AC74 | Dual D Flip-Flop | National Semiconductor |
| 131259 | 54AC74 | Rad-Hard Dual D-Type Flip-Flop With Preset & Clear | ST Microelectronics |
|
| 131260 | 54AC74D | Dual D-Type Positive Edge-Triggered Flip-Flop | National Semiconductor |
| 131261 | 54AC74F | Dual D-Type Positive Edge-Triggered Flip-Flop | National Semiconductor |
| 131262 | 54AC74L | Dual D-Type Positive Edge-Triggered Flip-Flop | National Semiconductor |
| 131263 | 54AC74L | Dual D-Type Positive Edge-Triggered Flip-Flop | National Semiconductor |
| 131264 | 54AC821 | 10-Bit D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131265 | 54AC821F | 10-Bit D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131266 | 54AC821L | 10-Bit D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131267 | 54AC821SD | 10-Bit D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 131268 | 54AC86 | Quad 2-input Exclusive-OR Gate | National Semiconductor |
| 131269 | 54AC86 | Rad-Hard Quad exclusive OR | ST Microelectronics |
| 131270 | 54AC86D | Quad 2-Input Exclusive-OR Gate | National Semiconductor |
| 131271 | 54AC86F | Quad 2-Input Exclusive-OR Gate | National Semiconductor |
| 131272 | 54AC86L | Quad 2-Input Exclusive-OR Gate | National Semiconductor |
| 131273 | 54ACQ | Quiet Seres Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131274 | 54ACQ240 | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131275 | 54ACQ240D | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131276 | 54ACQ240DMQB | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131277 | 54ACQ240DMQB | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131278 | 54ACQ240F | Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131279 | 54ACQ240FMQB | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 131280 | 54ACQ240FMQB | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
