MB86613
(7) Memory Interface
• EPROM
Parameter
Symbol
MEMCS# signal “L” level output time
Input data definition time
Input data hold time
Write cycle time
Address setup time
Address hold time
MEMWE# signal pulse width
tMEMCS
tDWSH
tDWHM
tWC
tAWSM
tAWHM
tMEMWE
Condition
Min.
13
15
25
Value
Max.
50
10
10
50
Unit
ns
ns
ns
ns
ns
ns
ns
tWC
MA15 to MA0
VALID
MEMOE#
MEMCS#
tMEMCS
MD7 to MD0∗1
MEMME#
MD7 to MD0∗2
tDWSH
tDWHM
tAWSM
tMEMWE tAWHM
VALID
*1 : For EPROM read processing.
*2 : For EPROM write processing.
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