型号 厂家 批号 封装    
s-a  s-b  s-c  s-d  s-e  s-f  s-g  s-h  s-i  s-j  s-k  s-l  s-m  s-n  s-o  s-p  s-q  s-r  s-s  s-t  s-u  s-v  s-w  s-x  s-y  s-z  s-0  s-1  s-2  s-3  s-4  s-5  s-6  s-7  s-8  s-9   
 74S00  74RLVCH162721PA  74RHC14D  74RF86 SMD  74RC161MTCX
 74RBT244D  74QS3245PA  74PCT652APC  74PCT646APC  74PCT573SC
 74PCT543  74PCT521BSC  74PCT521BPC  74PCT521APC  74PCT521/74AHCT521
 74PCT521  74PCT374APC  74PCT374/74FCT374/74AC374  74PCT245APC  74PCT245
 74PCT244-SMD(P74PCT244ASC)89  74PCT244/74ACT244  74PCT244  74PCT241APC  74PCK2001DL CY2891/B
 74PCK2000DL CY2891/A  74P74TD  74P07  74OL6011W  74OL6011.W
 74OL6011.SD  74OL6011.S  74OL6011.3SD  74OL6011.3S  74OL6011.300W
 74OL6011.300  74OL6011  74OL6010W  74OL6010R2  74OL6010.W
 74OL6010.SD  74OL6010.S  74OL6010.3SD  74OL6010.3S  74OL6010.300W
 74OL6010.300  74OL6010  74OL6001W  74OL6001S  74OL6001.W
 74OL6001.SD  74OL6001.S  74OL6001.3SD  74OL6001.3S  74OL6001.300W
 74OL6001.300  74OL6001  74OL6000W  74OL6000S  74OL6000-NL
 74OL6000-LF  74OL6000300W  74OL6000_5693  74OL6000.W  74OL6000.SD
 74OL6000.S  74OL6000.3SD  74OL6000.3S  74OL6000.300W  74OL6000.300
 74OL6000  74NE7321  74NC138N  74NC04A  74N12
 74N10  74N09  74N03  74MS08  74MC245N
 74M204B5  74LXT573WMX  74LXT573WM  74LXT4052DT  74LXT245
 74LXT244PWLE  74LXT244  74LXT240  74LXH646  74LXH574A
 74LXH574  74LXH573  74LXH543  74LXH374  74LXH273
 74LXH248  74LXH245ADTR2  74LXH245A TSSOP  74LXH245A  74LXH245
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