X28VC256 データシートの表示（PDF） - Xicor -> Intersil
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X28VC256 Datasheet PDF : 24 Pages
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X28VC256
A.C. CHARACTERISTICS (Over the recommended operating conditions, unless otherwise specified.)
Read Cycle Limits
Symbol
Parameter
X28VC256-45 X28VC256-55 X28VC256-70 X28VC256-90
–40°C to 85°C –55°C to 125°C –55°C to 125°C –55°C to 125°C
Min. Max. Min. Max. Min. Max. Min. Max. Units
tRC
Read Cycle Time
45
tCE
Chip Enable Access Time
45
tAA
Address Access Time
45
tOE
Output Enable Access Time
30
tLZ (4) CE LOW to Active Output
0
tOLZ (4) OE LOW to Active Output
0
tHZ (4) CE HIGH to High Z Output
30
tOHZ (4) OE HIGH to High Z Output
30
tOH
Output Hold From Address Change 0
Read Cycle
55
55
55
30
0
0
30
30
0
70
90 ns
70
90 ns
70
90 ns
35
40 ns
0
0
ns
0
0
ns
35
40 ns
35
40 ns
0
0
ns
3869 PGM T10.1
ADDRESS
CE
OE
VIH
WE
DATA I/O
HIGH Z
tRC
tCE
tOE
tOLZ
tLZ
tOH
DATA VALID
tAA
tHZ
DATA VALID
tOHZ
3869 FHD F05
Notes: (4) tLZ min., tHZ, tOLZ min. and tOHZ are periodically sampled and not 100% tested, tHZ and tOHZ are measured, with CL = 5pF,
from the point whin CE, OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.
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