X28HC64 データシートの表示（PDF） - Renesas Electronics
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X28HC64 Datasheet PDF : 18 Pages
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X28HC64
AC Electrical Specifications
Read Cycle Limits Over the recommended operating conditions unless otherwise specified.
X28HC64-70
X28HC64-90
X28HC64-12
PARAMETER
MIN
MAX
MIN
MAX
MIN
MAX
SYMBOL (Note 10) (Note 10) (Note 10) (Note 10) (Note 10) (Note 10)
UNIT
Read Cycle Time
tRC
70
90
120
ns
Chip Enable Access Time
tCE
70
90
120
ns
Address Access Time
tAA
70
90
120
ns
Output Enable Access Time
tOE
35
40
50
ns
CE LOW to Active Output (Note 14)
tLZ
0
0
0
ns
OE LOW to Active Output (Note 14)
tOLZ
0
0
0
ns
CE HIGH to High Z Output (Note 14)
tHZ
30
30
30
ns
OE HIGH to High Z Output (Note 14)
tOHZ
30
30
30
ns
Output Hold from Address Change
tOH
0
0
0
ns
NOTE:
14. tLZ minimum, tHZ, tOLZ minimum, and tOHZ are periodically sampled and not 100% tested. tHZ maximum and tOHZ maximum are measured from the
point when CE or OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.
Read Cycle
ADDRESS
CE
OE
VIH
WE
DATA I/O
HIGH Z
tRC
tCE
tOE
tOLZ
tLZ
tOH
DATA VALID
tAA
FIGURE 14. READ CYCLE
tHZ
DATA VALID
tOHZ
FN8109 Rev 4.00
June 27, 2016
Page 11 of 18
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