FM25640B Ramtron Corporation, FM25640B Datasheet - Page 10

• Manufacturer Part Number: FM25640B
• Description: 64kb Serial 5v F-ram Memory Features
• Manufacturer: Ramtron Corporation

AC Parameters (T
Notes
1.
2.
3.
Capacitance (T
Notes
1.
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
Output Load Capacitance
Data Retention
Rev. 1.1
Feb. 2011
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
C
Symbol
T
CH
CL
CSU
CSH
OD
ODV
OH
D
R
F
H
SU
HS
HH
HZ
LZ
CK
DR
Symbol
O
I
Rise and fall times measured between 10% and 90% of waveform.
This parameter is characterized but not 100% tested.
For Clock High Time t
This parameter is characterized and not 100% tested.
Parameter
Output Capacitance (SO)
Input Capacitance
A
= 25° C, f=1.0 MHz, V
Parameter
SCK Clock Frequency
Clock High Time
Clock Low Time
Chip Select Setup
Chip Select Hold
Output Disable
Output Data Valid
Output Data Hold
Deselect Time
Data In Rise Time
Data In Fall Time
Data In Hold Time
Data In Setup Time
/HOLD Input Setup Time
/HOLD Input Hold Time
/HOLD Low to Data Out Hi-Z
/HOLD High to Data Out Lo-Z
Parameter
@
@
@
A
= -40° C to + 85° C, V
+85ºC
+80ºC
+75ºC
CH
≤ 100 ns, the parameter t
10% and 90% of V
10 ns
0.5 V
100 pF
DD
DD
DD
= 5V)
= 4.5V to 5.5V unless otherwise specified)
ODV
is extended such that t
DD
Min
Max
10
19
38
Min
8
6
22
22
10
10
60
10
10
0
0
5
5
CH
+ t
Units
Max
ODV
pF
pF
-
-
-
Max
≤ 160 ns.
20
20
20
50
50
20
20
Notes
1
1
Years
Years
Years
Units
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
Notes
Notes
1,2
1,2
10 of 13
2
3
2
2