FM1105 - Automotive Temp.
AC Parameters
(T
A
= -40° C to +125° C, V
DD
= 4.5V to 5.5V, C
L
= 30 pF unless otherwise specified)
Symbol Parameter
Min
Max
f
MAX
Maximum Clock Frequency
-
1
t
LOW
CLK Low Period
0.3
-
t
HIGH
CLK High Period
0.3
-
t
PD
Propagation delay CLK to Q
N
-
50
t
HZ
EN Low to Q
N
Hi-Z
-
25
t
R
Input Rise Time
-
100
t
F
Input Fall Time
-
100
t
DS
Data (D
N
) Setup Time to CLK
↑
5
-
t
DH
Data (D
N
) Hold Time after CLK
↑
10
-
t
EHD
EN Hold Time (EN High after CLK
↑
)
50
-
t
EH
EN High Time
5
-
t
EL
EN Low Time
2
-
Notes
1.
This parameter is characterized but not tested.
Units
MHz
µs
µs
ns
ns
ns
ns
ns
ns
ns
µs
µs
Notes
1
1
1
Power Cycling and Data Retention
(T
A
= -40° C to +125° C, V
DD
= 4.5V to 5.5V, unless otherwise specified)
Symbol
Parameter
Min
Max
Units
Nonvolatile Data Retention Time
45
-
years
t
VDR
V
DD
Rise Time
25
-
µs/V
t
VDF
V
DD
Fall Time
50
-
µs/V
t
RES
EN High to Q
N
Restore Time
-
0.5
µs
t
PDS
EN Low to Power Down Time
1
-
µs
t
EHFC
EN High to First Clock (CLK
↑
) after Power Up
4
-
µs
Notes
1.
2.
3.
Notes
1
1
2
3
Slope measured at any point on V
DD
waveform.
After power up, when EN goes high the nonvolatile latches are read and the values restored to the outputs Q
N
.
After power up, this is the minimum time required before a state change operation may occur. EN and V
DD
may be
coincident at power up, and in this case t
EHFC
time is referenced to V
DD
(min) and CLK
↑
.
Data Retention
(V
DD
= 4.5V to 5.5V)
Parameter
Min
Max
Units
Notes
Data Retention
45
-
Years
@
T
A
= 85°C
9000
-
Hours
@
T
A
= 125°C
Note: The device is guaranteed to retain data after both conditions have been applied: (1) 45 yrs at a temperature of
85°C and (2) 9000 hours at 125°C.
Typical Grade 1 Operating Profile
1600
1400
1200
1000
800
600
400
200
0
70
75
80
85
90
95 100 105 110 115 120 125
Typical Grade 1 Storage Profile
25000
20000
Hours
15000
10000
5000
0
0
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Temperature (°C)
Hours
Temperature (°C)
Rev. 3.0
Apr. 2009
Page 5 of 8
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
