www.DataSheet4U.com FINAL Am27C256 256 Kilobit (32,768 x 8-Bit) CMOS EPROM DISTINCTIVE CHARACTERISTICS s Fast access time 55 ns s Low power consumption 20 µA typical CMOS standby current s JEDEC-approved pinout s Single +5 V power supply s ±10% power supply tolerance available s 100% Flashrite programming Typical programming time of 4 seconds Advanced Micro Devices s Latch-up protected to 100 mA from 1 V to VCC + 1 V s High noise immunity s Versatile fe.