2 Megabit (256 K x 8-Bit) CMOS EPROM Type AM27C020-90DC
GENERAL DESCRIPTION
The Am27C020 is a 2 Megabit, ultraviolet erasable programmable
read-only memory. It is organized as 256
Kwords by 8 bits per word, operates from a single +5 V
supply, has a static standby mode, and features fast
single address location programming. Products are
available in windowed ceramic DIP packages, as well
as plastic one time programmable (OTP) PDIP and
PLCC packages.
Data can be typically accessed in less than 55 ns, allowing
high-performance microprocessors to operate
without any WAIT states. The device offers separate
Output Enable (OE#) and Chip Enable (CE#) controls,
thus eliminating bus contention in a multiple bus microprocessor
system.
AMD s CMOS process technology provides high
speed, low power, and high noise immunity. Typical
power consumption is only 100 mW in active mode,
and 100 μW in standby mode.
All signals are TTL levels, including programming signals.
Bit locations may be programmed singly, in
blocks, or at random. The device supports AMD s
Flashrite programming algorithm (100 μs pulses), resulting
in a typical programming time of 32 seconds.
Info als pdf-File
Package: 32-pin DIP
Speed: 90ns
Typ: AM27C020-90DC
Marke: AMD
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