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WCFS0808V1E
Document #: 38-05225 Rev. **
Page 5 of 10
Switching Characteristics Over the Operating Range[5] (Continued)
WCFS0808V1E 15ns
Parameter
Description
Min.
Max.
Unit
READ CYCLE
tRC
Read Cycle Time
15
ns
tAA
Address to Data Valid
15
ns
tOHA
Data Hold from Address Change
3
ns
tACE
CE LOW to Data Valid
15
ns
tDOE
OE LOW to Data Valid
6
ns
tLZOE
OE LOW to Low Z[6]
0
ns
tHZOE
OE HIGH to High Z[6, 7]
6
ns
tLZCE
CE LOW to Low Z[6]
3
ns
tHZCE
CE HIGH to High Z[6, 7]
7
ns
tPU
CE LOW to Power-Up
0
ns
tPD
CE HIGH to Power-Down
15
ns
WRITE CYCLE[8, 9]
tWC
Write Cycle Time
15
ns
tSCE
CE LOW to Write End
10
ns
tAW
Address Set-Up to Write End
10
ns
tHA
Address Hold from Write End
0
ns
tSA
Address Set-Up to Write Start
0
ns
tPWE
WE Pulse Width
10
ns
tSD
Data Set-Up to Write End
8
ns
tHD
Data Hold from Write End
0
ns
tHZWE
WE LOW to High Z[8]
7
ns
tLZWE
WE HIGH to Low Z[6]
3
ns
Data Retention Characteristics (Over the Operating Range)
Parameter
Description
Conditions
Min.
Max.
Unit
VDR
VCC for Data Retention
2.0
V
tCDR
Chip Deselect to Data
Retention Time
VCC = VDR = 2.0V,
CE > VCC – 0.3V,
VIN > VCC – 0.3V or
VIN < 0.3V
0
ns
tR
Operation Recovery Time
tRC
ns
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