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SGS digital sound generator M114B1 chip

Is there anybody who have a copy of that old ('80) sound generator, marked by SGS, used in some old italian keyboards like the GEM ones? I have references only for the M114A, but that is bigger (48 pin against 40 pins) and seems to be a bigger versio...

ACont.1 by Associate
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  • 2 replies
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SD1731-11

Does anyone here have a datasheet for part# SD1731-11? I see on website only datasheet SD1731 and SD1731-14. Does anyone know what the "dash #" stands for?

BXion.1 by Associate II
  • 148 Views
  • 1 replies
  • 1 kudos

Resolved! ST M29W640FT 70N6H doubt

ST M29W640FT 70N6H flash Nor chip with 20 erase write stored in temperature 33-36C and no powered In this case, what is the most approximate and realistic estimate of years for it to retain all the information written on this chip? an approximate num...

ÍStef.1 by Associate III
  • 286 Views
  • 3 replies
  • 1 kudos

PSI5

Hi everyone,I am trying to establish communication between the L9663 and an airbag sensor using PSI5. However, the behavior I observe on the oscilloscope is shown in the picture, with ramps instead of clear pulses. Since PSI5 uses the same wire to se...

Doubt flash memory Nor retention

NOR flash memory chips behave the same as other types of flash memory. If I energize NOR flash once a year, will it prevent any data loss? The datasheet says retention 20 years. If I energize it after 19 years, will it prolong data retention?in my ca...

ÍStef.1 by Associate III
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  • 8 replies
  • 0 kudos