X20C16
ENDURANCE AND DATA RETENTION
Parameter
Min.
Units
Endurance
100,000
1,000,000
100
Data Changes Per Bit
Store Cycles
Years
Store Cycles
Data Retention
3826 PGM T07.1
MODE SELECTION
CE
WE
NE
OE
Mode
I/O
Power
H
L
L
L
L
L
L
L
L
X
H
L
X
H
H
H
L
X
L
Not Selected
Read RAM
Output High Z
Output Data
Standby
Active
Active
Active
Active
Active
Active
Active
Active
H
H
L
Write “1” RAM
Write “0” RAM
Array Recall
Input Data High
Input Data Low
Output High Z
Input Data
L
H
L
L
H
H
L
Software Command
Output Disabled
Not Allowed
H
L
H
L
Output High Z
Output High Z
Output High Z
H
L
H
No Operation
3826 PGM T09
EQUIVALENT A.C. LOAD CIRCUIT
A.C. CONDITIONS OF TEST
Input Pulse Levels
0V to 3V
5V
Input Rise and
Fall Times
5ns
735Ω
Input and Output
Timing Levels
1.5V
OUTPUT
3826 PGM T08.1
318Ω
30pF
3826 FHD F04
5
XICOR [ XICOR INC. ]
