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   
 74S244  74S242NA  74S242N  74S241N10  74S241N
 74S241J  74S241DW  74S241D  74S241  74S240P
 74S240N  74S240J  74S240D  74S240  74S22SC
 74S22PC  74S22N  74S228  74S226J  74S226
 74S225N  74S225  74S22  74S20PC  74S20P
 74S20NS  74S20N  74S20DC  74S20D  74S20AN
 74S201N  74S201J/R  74S201  74S20  74S197N
 74S197  74S196  74S195NA  74S195N  74S195J
 74S195DC  74S195  74S194PC  74S194NA  74S194N
 74S194F  74S194DC  74S194  74S193  74S191
 74S189PS  74S189N  74S189BN  74S189  74S188N
 74S188AN  74S188  74S182PC  74S182N  74S182DC
 74S182  74S181PC  74S181P  74S181N  74S181F
 74S181  74S175PC  74S175N-GD  74S175N-G  74S175N
 74S175HD74S175P  74S175FM  74S175F  74S175DCQR  74S175DC
 74S175D  74S175  74S174PCQR  74S174PC  74S174NB
 74S174N  74S174J  74S174DC  74S174  74S173
 74S172N  74S172F  74S169NC  74S169N  74S169AN
 74S169  74S168AN  74S168  74S165PC  74S164
 74S163N  74S163J  74S163D  74S163  74S162N
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