4539 file DS89C430 74906 clock 74395 4008 74644 Multiplexer EFI pin 74445 TL866 4104 SPI 4555 icsp 7424 Tests lst BIOS 74155 Plus 74248 74348 TXT 7491 GD25B256D CSV dram 74249 741035 4021 74379 SOIC8 74250 Xeltek 74LS54 AT89C51RB2 4556 74238 Corrected 74490 74128 74HC595 4164 89C51RC2 74183 4020 signal structure type 74177 74279 4053 TMS2532 8pin 74347 4063 74247 Correction 74156 lgc 74832 4085 74623 41256 40163 74642 74290 logicUser 7464 74114 Table 744053 74323 7419 74150 7445 Demultiplexer 4531 74595 4584 7472 7483 7495 74378 74322 7487 74145 74399 74168 89C450 Improvement 7454 4060 74641 New 4054 74645