54139
San Mao electronic
80.78 KB
Dual line 2-4 decoder.
54139/74139 2 －4 ： 139 2 －4 ， 54/74S139 54/74LS139 ， ： CT54S139/CT74S139 CT54LS139/CT74LS139 Tpd (AB->Y)(3 ) 7.5ns 22ns PD 300mW 34mW （G1），（A.
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