English
Language : 

FM25CL64_07 Datasheet, PDF (10/13 Pages) Ramtron International Corporation – 64Kb FRAM Serial 3V Memory
◁
AC Parameters (TA = -40° C to +125° C, VDD = 3.0V to 3.6V, CL = 30pF)
Symbol
Parameter
Min
fCK
SCK Clock Frequency
0
tCH
Clock High Time
25
tCL
Clock Low Time
25
tCSU
Chip Select Setup
10
tCSH
Chip Select Hold
10
tOD
Output Disable Time
tODV
Output Data Valid Time
tOH
Output Hold Time
0
tD
Deselect Time
60
tR
Data In Rise Time
tF
Data In Fall Time
tSU
Data Setup Time
5
tH
Data Hold Time
5
tHS
/HOLD Setup Time
10
tHH
/HOLD Hold Time
10
tHZ
/HOLD Low to Hi-Z
tLZ
/HOLD High to Data Active
Notes
1. tCH + tCL = 1/fCK.
2. Characterized but not 100% tested in production.
3. Rise and fall times measured between 10% and 90% of waveform.
Capacitance (TA = 25° C, f=1.0 MHz, VDD = 3.3V)
Symbol
Parameter
Min
CO
Output Capacitance (SO)
-
CI
Input Capacitance
-
Notes
1. This parameter is periodically sampled and not 100% tested.
FM25CL64 - Automotive Temp.
Max
Units Notes
16
MHz
ns
1
ns
1
ns
ns
20
ns
2
25
ns
ns
ns
50
ns
2,3
50
ns
2,3
ns
ns
ns
ns
20
ns
2
20
ns
2
Max
Units Notes
8
pF
1
6
pF
1
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
Output Load Capacitance
10% and 90% of VDD
5 ns
0.5 VDD
30 pF
Rev. 3.0
May 2007
Page 10 of 13
 ▷