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FM20L08 - Extended Temp.
Rev. 1.4
Oct. 2005
Page 10 of 14
2
Ramtron cannot test or characterize all VDD power ramp profiles. The behavior of the internal circuits is difficult to predict
when VDD is below the level of a transistor threshold voltage. Ramtron strongly recommends that VDD power up faster than
100ms through the range of 0.4V to 1.0V.
Data Retention (VDD = 3.3V +10%, -5%)
Parameter
Min
Max
Units
Notes
Data Retention
10
-
Years
Capacitance (TA = 25° C , f=1 MHz, VDD = 3.3V)
Symbol
Parameter
Min
Max
Units
Notes
CI/O
Input/Output Capacitance (DQ)
-
8
pF
1
CIN
Input Capacitance
-
6
pF
1
Notes
1.
This parameter is characterized and not 100% tested.
AC Test Conditions
Input Pulse Levels
0 to 3V
Input rise and fall times
3 ns
Input and output timing levels
1.5V
Output Load Capacitance
30 pF
Read Cycle Timing 1 (/CE low, /OE low)
A(16:0)
DQ(7:0)
t
RC
t
OH
t
AA
t
OH
Read Cycle Timing 2 (/CE-controlled)
CE
A(16:0)
OE
DQ(7:0)
t
AS
t
CE
t
CA
t
PC
t
OE
t
OHZ
t
HZ
t
AH