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2716
TYPICAL 16K
EPROM
SYSTEM
A8-15
1-_--+--------------.
ADO-7
~""--"-"'I
8212
ADDRESS
ALE
~t------.,
LATCH
RD~t------~~--------~
8085
101M
o This scheme accomplished by using
CE
(PO)
as the primary decode.
OE
(CS)
is now controlled by previously unused
signal.
RO
now controls data on and
off
the bus by way of
OE.
o A selected 2716 is available
for
systems which require CE access
of
less than
450
ns for decode network operation.
o The use
of
a PROM as a decoder allows for:
a)
Compatibility with upward (and downward) memory expansion.
b)
Easy assignment
of
ROM
memory modules, compatible
with
PUM modular software concepts.
SK, 16K, 32K, 64K 5V EPROM/ROM
FAMILY
PRINTED CIRCUIT BOARD LAYOUT
o
a
o 0
o c,
8-15
o