| 54AC257 | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 5962-88703012A(54AC257LMQB) | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 5962-8870301EA(54AC257DMQB) | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 5962-8870301FA(54AC257FMQB) | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM54AC257B2A | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM38510R76207B2A1 | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM54AC257BEA | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM38510R76207BEA | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM38510/76207BFA | National Semiconductor | |
| JM38510R76207BFA | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM38510R76207S2A | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM38510R76207SEA | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| JM38510R76207SFA | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |