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