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X84161 Datasheet, PDF (9/18 Pages) Xicor Inc. – uPort Saver EEPROM
X84161/641/129
A.C. CHARACTERISTICS
(Over the recommended operating conditions, unless otherwise specified.)
Read Cycle Limits – X84161/641/129†
Symbol
Parameter
VCC = 5V±10% VCC = 2.5V – 5.5V VCC = 1.8V – 3.6V
Min. Max Min. Max. Min. Max. Units
tRC
Read Cycle Time
100
200
330
ns
tCE
CE Access Time
25
50
70
ns
tOE
OE Access Time
25
50
70
ns
tOEL
OE Pulse Width
50
60
90
ns
tOEH
OE High Recovery Time
50
60
90
ns
tLOW
CE LOW Time
50
70
90
ns
tHIGH
CE HIGH Time
50
120
180
ns
tLZ(4)
CE LOW to Output In Low Z
0
0
0
ns
tHZ(4)
CE HIGH to Output In High Z
0
25
0
30
0
35
ns
tOLZ(4) OE LOW to Output In Low Z
0
0
0
ns
tOHZ(4) OE HIGH to Output In High Z
0
25
0
30
0
35
ns
tOH
Output Hold from CE or OE HIGH
0
0
0
ns
tWES
WE HIGH Setup Time
25
25
25
ns
tWEH
WE HIGH Hold Time
25
25
25
ns
Notes: (4) Periodically sampled, but not 100% tested. tHZ and tOHZ are measured from the point where CE or OE goes HIGH (whichever occurs
first) to the time when I/O is no longer being driven into a 5pF load.
†Contact factory for 10MHz X84129 availabilityRead Cycle
tRC
tLOW
tHIGH
tCE
CE
WE
OE
I/O
tWES
t OEL
tOE
DATA
t OLZ
tOH
t LZ
t OEH
tWEH
t OHZ
HIGH Z
t HZ
7008 FRM F08
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