半导体集成电路JT54LS155和JT54LS156型LS-TTL译码器详细规范半导体集成电路JT54LS155和JT54LS156型LS-TTL译码器详细规范Detail specification for types JT54LS155 and JT54LS156 DECODERS of LS-TTL semiconductor integrated circuits
半导体集成电路 JT54LS42、JT54LS138和JT54LS139型LS-TTL译码器详细规范
detail specification for JT54LS42,JT54LS138,JT54LS139 types decoders of LS-TTL semiconductor integrated circuits
1993-05-11
SJ 50597/15-1994
半导体集成电路JT54LS247型LS-TTL电路BCD--七段译码器/驱动器详细规范
Semiconductor integrated circuits Detail specification for type JT54LS247 BCD-to-seven segment decoders/drivers of LS-TTL