X20C17
ENDURANCE AND DATA RETENTION
Parameter
Endurance
Store Cycles
Data Retention
Min.
100,000
1,000,000
100
Units
Data Changes Per Bit
Store Cycles
Years
MODE SELECTION
CE
H
L
L
L
L
L
WE
X
H
L
L
L
H
OE
X
L
H
H
L
H
Mode
Not Selected
Read RAM
Write “1” RAM
Write “0” RAM
Not Allowed
No Operation
I/O
Output High Z
Output Data
Input Data High
Input Data Low
Output High Z
Output High Z
Power
Standby
Active
Active
Active
Active
Active
EQUIVALENT A.C. LOAD CIRCUIT
5V
735Ω
Output
318Ω
30pF
A.C. CONDITIONS OF TEST
Input pulse levels
Input rise and fall times
Input and output timing levels
0V to 3V
5ns
1.5V
Characteristics subject to change without notice.
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