Before revision: Intel 1702A 2K (256 x 8) UV Erasable PROMAMD Am1702A 256-Word by 8-Bit Programmable Read Only Memory The second generation 2704/2708 devices switched to n-MOS technology and to three-rail VCC = +5 V, VBB = -5 V, VDD = +12 V power supply with VPP = 12 V and a +25 V pulse in Programming mode.
After revision: The second generation 2704/2708 devices switched to n-MOS technology and to three-rail VCC = +5 V, VBB = -5 V, VDD = +12 V power supply with VPP = 12 V and a +25 V pulse in Programming mode.