IC库存型号
| 74HC244PW,112 | 74HC244PW,118 | 74HC244PW/AU118 | 74HC244PW-Q100,118 |
| 74HC245BQ,115 | 74HC245BQ-Q100X | 74HC245D | 74HC245D,652 |
| 74HC245D,653 | 74HC245DB,112 | 74HC245DB,118 | 74HC245DB/C118 |
| 74HC245DB653 | 74HC245D-Q100J | 74HC245DTR2G | 74HC245PW,112 |
| 74HC245PW,118 | 74HC245PW/AU118 | 74HC245PW/AUJ | 74HC245PW-Q100118 |
| 74HC245PW-Q100J | 74HC251D,652 | 74HC251D,653 | 74HC251D/AUJ |
| 74HC251D/S400118 | 74HC251DB,112 | 74HC251DB,118 | 74HC251DB-Q100J |
| 74HC251D-Q100J | 74HC251FP-E | 74HC251FPEL-E | 74HC251N,652 |
| 74HC251PW,112 | 74HC251PW,118 | 74HC251PW-Q100J | 74HC253D,652 |
| 74HC253D,653 | 74HC253DB,112 | 74HC253DB,118 | 74HC253DB/S400118 |
| 74HC253D-Q100,118 | 74HC253N,652 | 74HC257D,652 | 74HC257D,653 |
| 74HC257D/AUJ | 74HC257DB,118 | 74HC257DB118 | 74HC257D-Q100J |
| 74HC257FPEL-E | 74HC257N,652 | 74HC257P-E | 74HC257PW,112 |
| 74HC257PW,118 | 74HC257PW-Q100J | 74HC258D,652 | 74HC258DB,112 |
| 74HC258DB,118 | 74HC258N,652 | 74HC259D,653 | 74HC273BQ,115 |
| 74HC273BQ-Q100X | 74HC273D | 74HC273D,652 | 74HC273D,653 |
| 74HC273DB,112 | 74HC273DB,118 | 74HC273D-Q100118 | 74HC273FPDV-E |
| 74HC273N,652 | 74HC273PW,112 | 74HC273PW,118 | 74HC273PW/S911118 |
| 74HC273PW-Q100118 | 74HC273PW-Q100J | 74HC283D,652 | 74HC283DB,112 |
| 74HC283FP-E | 74HC283FPEL-E | 74HC283P-E | 74HC283PW,112 |
| 74HC299DB,112 | 74HC299DB,118 | 74HC299N,652 | 74HC299PW,112 |
| 74HC299PW,118 | 74HC2G125DC | 74HC2G125DC,125 | 74HC2G125DC-Q100125 |
| 74HC2G125DC-Q100H | 74HC2G125DP,125 | 74HC2G125DP-Q100125 | 74HC2G125DP-Q100H |
| 74HC2G125GD,125 | 74HC2G126DC,125 | 74HC2G126DP,125 | 74HC2G126DP125 |
| 74HC2G126GD,125 | 74HC2G14GW,125 | 74HC2G16GVH | 74HC2G16GWH |
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