制造商 | 部件名 | 数据表 | 功能描述 |
National Semiconductor ... | 74F257APC | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor ... | 74F257ASC | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor ... | 74F257ASCSCX | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |
74F257ASCSJX | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor ... | 74F257ASJ | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor ... | 74F257ASJSCX | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |
74F257ASJSJX | 157Kb/8P | Quad 2-Input Multiplexer with TRI-STATE Outputs |