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While the 1702 draws a peak current of 1.2A during programming, the 1702A draws only 200mA, allowing for a much higher programming duty cycle. If a Willem EPROM programmer is used this includes the 6540. The Intel 1702A is a revised variant of the original 1702 with a much faster programming time. Of all the models, the American B128 is the most common.
#1702 eprom programmer full#
In this section I will go over some of the specifics, but mostly concentrate on the one that actually saw full production - the rarefied B128. By introducing an insulator that breaks down while exposed to ultraviolet radiation, an erasable and rewritable device could be manufactured. There were a variety of models within the B-Series, both planned and canned. The 1702 was invented by founding Intel employee Dov Frohman, after discovering that stored charges in the broken gates of defective ICs would alter their behavior. Introduced in 1972, the Intel 1702 is the first commercially available UV-EPROM, capable of storing up to 256x8 bits. ModelPin2716 / 273216 Bit EPROMsInterfaceLatest OSPriceGenius G54040(some)(some)With AdapterUSBWin775 USDWellon VP28048(some)USBWin7120 USD (Disco. Intel B8702A UV-EPROM (24-pin ceramic sandwich DIP) A fourth voltage, +25 V, was used only in the external programmer.
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Although youll need to check the actual voltage level out of the battery. When Intel started selling the EPROM (the 2-kbit 1702), the expectation was that the. (In real life we also run events and have a museum. Hardly elegant, but I assume once youve read the data from the 1702 (and where in Gods name did you find an EPROM that old) youll never look at the chip again. Fortunately the Acorn PROM Programmer will program 74S571 and I have modified the. Intel B1702A UV-EPROM (24-pin ceramic sandwich DIP pictured in thumbnail) This forum is part of our mission to promote the preservation of vintage computers through education and outreach. Intel 1702A & 8702A - The Vintage Technology Association