Projetos MegaRam 768 MB

Lista de materiais ( modelo 15800 )

Circuitos Intregados Capacitores / Resistores Memórias
CI01 = 27256
CI02 = PAL16L8A
CI03, CI12 = 74LS138
CI04, CI05 = 74LS74
CI06 = 74LS02
CI07, CI08 = 74LS157
CI09, CI10 = 74LS670
CI11 = 74LS153
 C01 = 82 pF
C02 = 47 mF / 25V
C03, ...., C17 = 47 hF
R01 = 47 W ( 5% )
RAM01, ...., RAM06 = 44256

DataSheet

Circuitos Intregados
PAL16L8A ( pdf ) - 152 KB
74LS138 - Decoder / Demultiplexer ( pdf ) - 240 KB
74LS74 - Dual D-Type Flip-Flops ( pdf ) - 269 KB
74LS02 - Quadruple 2-input positive-nor gates ( pdf ) - 254 KB
74LS157 - Quadruple 2-line to 1-line data selectors / multiplexers ( pdf ) - 333 KB
74LS670 - 4-by-4 register files with 3-state outputs ( pdf ) - 319 KB
74LS153 - Dual 4-line to 1-line data selectors / multiplexers ( pdf ) - 289 KB
44256 - 256K x 4 Dynamic RAM ( pdf ) - 597 KB

Circuito Impresso

( em breve )