| 部件型号 | 厂商 | 描述 |
|---|---|---|
MC74HC688N |
ON Semiconductor | Identity Comparator 8-Bit 20-Pin PDIP |
MC74F521N |
ON Semiconductor | Identity Comparator 8-Bit 20-Pin PDIP |
MC74HC85N |
ON Semiconductor | Magnitude Comparator 4-Bit 16-Pin PDIP |
MC74F521DWR2 |
ON Semiconductor | Identity Comparator 8-Bit 20-Pin SOIC T/R |
MC74F521DW |
ON Semiconductor | Identity Comparator 8-Bit 20-Pin SOIC |
MC74F521DWG |
ON Semiconductor | Identity Comparator 8-Bit 20-Pin SOIC |
