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X20C04 Datasheet, PDF (6/15 Pages) Xicor Inc. – Nonvolatile Static RAM
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X20C04
A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified)
Read Cycle Limits
Symbol
Parameter
X20C04-15 X20C04-20 X20C04-25 X20C04
Min. Max. Min. Max. Min. Max. Min. Max. Units
tRC
tCE
tAA
tOE
tLZ(3)
tOLZ(3)
tHZ(3)
tOHZ(3)
tOH
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
Chip Enable to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
Output Hold From Address Change
Read Cycle
150
200
250
300
ns
150
200
250
300 ns
150
200
250
300 ns
50
70
100
150 ns
0
0
0
0
ns
0
0
0
0
ns
80
100
100
100 ns
80
100
100
100 ns
0
0
0
0
ns
3825 PGM T10
ADDRESS
CE
OE
VIH
WE
DATA I/O
tRC
tCE
tOE
tOLZ
tLZ
tOH
DATA VALID
tAA
tHZ
DATA VALID
tOHZ
3825 FHD F05
Note: (3) tLZ min., tHZ, tOLZ min., and tOHZ are periodically sampled and not 100% tested. tHZ max. and tOHZ max. are measured, with
CL = 5pF from the point when CE or OE return HIGH (whichever occurs first) to the time when the outptus are no longer driven.
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