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familyμCOM-45 +
first launched1978 +
full page namenec/μcom-45/μpd554 +
instance ofmicrocontroller +
manufacturerNEC +
max operating temperature70 °C +
microarchitectureμCOM-4 +
min operating temperature-10 °C +
model numberμCOM-45 +
nameNEC μCOM-45 +
packageDIP28 +
part numberμPD554 +
pin count28 +
ram1.6e-5 MB (0.016 kB, 16 B, 128 b, 1.6e-8 GB) +
ram breakdown32x4 bit +
rom0.001 MB (1 kB, 1,000 B, 8,000 b, 1.0e-6 GB) +
rom breakdown1000x8 bit +
technologypMOS +
word size4 bit (0.5 octets, 1 nibbles) +