X20C16
CAPACITANCE T = +25°C, f = 1MHz, V
= 5V
A
CC
Symbol
Test
Max.
10
Unit
pF
Conditions
(2)
C
Input/output capacitance
Input capacitance
V
= 0V
= 0V
I/O
I/O
(2)
C
6
pF
V
IN
IN
Notes: (1) V min. and V max. are for reference only and are not tested.
IL
IH
(2) This parameter is periodically sampled and not 100ꢀ tested.
ENDURANCE AND DATA RETENTION
Parameter
Min.
Unit
Endurance
Store cycles
Data retention
100,000
1,000,000
100
Data changes per bit
Store cycles
Years
MODE SELECTION
CE
H
L
WE
X
NE
X
H
H
H
L
OE
X
Mode
Not selected
Read RAM
I/O
Power
Standby
Active
Active
Active
Active
Active
Active
Active
Active
Output high Z
Output data
H
L
L
L
H
H
L
Write “1” RAM
Write “0” RAM
Array recall
Input data high
Input data low
Output high Z
Input data
L
L
L
H
L
L
L
H
H
L
Software command
Output Disabled
Not allowed
L
H
L
H
L
Output high Z
Output high Z
Output high Z
L
L
H
L
H
No operation
EQUIVALENT A.C. LOAD CIRCUIT
A.C. CONDITIONS OF TEST
Input pulse levels
0V to 3V
5V
Input rise and fall times
Input and output timing levels
5ns
1.5V
735KΩ
Output
318Ω
30pF
Characteristics subject to change without notice. 6 of 21
REV 1.0 6/21/00
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XICOR [ XICOR INC. ]
