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   
 74LS244NSR  74LS244NS  74LS244N  74LS244M1  74LS244M013TR
 74LS244M/5.2  74LS244M  74LS244J  74LS244FPEL  74LS244F
 74LS244-E  74LS244DWR2  74LS244DWR  74LS244DW  74LS244DJ
 74LS244DC  74LS244DBR  74LS244DB  74LS244D PHIL  74LS244D
 74LS244CJ  74LS244AWM  74LS244A TI  74LS244A  74LS2444AD
 74LS244/7.2  74LS244*  74LS244(SMD)  74LS244(PBFHD74LS244P-E)D/C06  74LS244 74HC244
 74LS244  74LS243WM  74LS243P  74LS243NA  74LS243N
 74LS243DR  74ls243d  74LS243/ 74HC243  74LS243 D/C96  74LS243 (HD74LS243P)
 74LS243  74LS242P  74LS242N  74LS242M  74LS242
 74LS241WM  74LS241SC  74LS241PC  74LS241P  74LS241N
 74LS241DWR  74LS241DC  74LS241D  74LS241BIR  74LS241BI
 74LS241BE  74LS241B1  74LS241B  74LS241  74LS240WR
 74LS240WMX  74LS240WM/7.2  74LS240WM  74LS240SJX  74LS240SJ
 74LS240SC  74LS240PC  74LS240P  74LS240NSR  74LS240NA
 74LS240N35NDS  74LS240N  74LS240ML1  74LS240ML  74LS240MEL
 74ls240m  74LS240J  74LS240F  74LS240DWR2  74LS240DWR
 74LS240DW  74LS240DJ  74LS240DC  74LS240D  74LS240B1
 74LS240AP  74LS240/MOT  74LS240(5.2mm)  74LS240 SMD-TA  74LS240
 74LS24  74LS238  74LS232SC  74LS2323P  74LS2323D
 74LS2323  74LS22P  74ls22ntestdots  74LS22N  74LS22J
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