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Epson PX-8 - Page 329

Epson PX-8
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AUTOMATIC
PULSE REFRESH CYCLE
'---
/////
SELF REFRESH CYCLE
(DOC
TO
7DOC)
RAS
V1H
J
VIL
'<XXXXXXXY
"
......
_-
RFSH
VIH
VIL
'~----------------~I
_____
-----J
1
_____
.....,7
SELF REFRESH CYCLE
(DOC
TO
45°C)
RAS
V1H
J
VIL
,,'----
,,----
RFSH
VIH
VIL
,~----------------~/
WE
V1H
VIL
______
7
SELF REFRESH CYCLE
(DOC
TO
25°C)
RAS
V'H
J
VIL
,,'-----
/
"---
RFSH
VIH
VIL
,'------------------~/
CAS
VDD
GND
WE
VDD
GND
~'---'X'__~X
Fig.
7-27
7-58
/
REV.-A

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