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FM25V02 Datasheet(PDF) 13 Page - Ramtron International Corporation

Part # FM25V02
Description  256Kb Serial 3V F-RAM Memory
PDF  17 Pages
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Manufacturer  RAMTRON [Ramtron International Corporation]
Direct Link  http://www.ramtron.com
Logo RAMTRON - Ramtron International Corporation

FM25V02 Datasheet(HTML) 13 Page - Ramtron International Corporation

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FM25V02 - 256Kb SPI FRAM
Rev. 2.0
May 2010
Page 13 of 17
AC Parameters (TA = -40
°C to + 85°C, CL = 30pF, unless otherwise specified)
VDD 2.0 to 2.7V
VDD 2.7 to 3.6V
Symbol
Parameter
Min
Max
Min
Max
Units
Notes
fCK
C Clock Frequency
0
25
0
40
MHz
tCH
Clock High Time
20
11
ns
1
tCL
Clock Low Time
20
11
ns
1
tCSU
Chip Select Setup
12
10
ns
tCSH
Chip Select Hold
12
10
ns
tOD
Output Disable Time
20
12
ns
2
tODV
Output Data Valid Time
18
9
ns
tOH
Output Hold Time
0
0
ns
tD
Deselect Time
60
40
ns
tR
Data In Rise Time
50
50
ns
2,3
tF
Data In Fall Time
50
50
ns
2,3
tSU
Data Setup Time
8
5
ns
tH
Data Hold Time
8
5
ns
tHS
/HOLD Setup Time
12
10
ns
tHH
/HOLD Hold Time
12
10
ns
tHZ
/HOLD Low to Hi-Z
25
20
ns
2
tLZ
/HOLD High to Data Active
25
20
ns
2
Notes
1.
tCH + tCL = 1/fCK.
2. This parameter is characterized but not 100% tested.
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
Max
Units
Notes
CO
Output Capacitance (Q)
-
8
pF
1
CI
Input Capacitance
-
6
pF
1
Notes
1. This parameter is characterized and not 100% tested.
AC Test Conditions
Input Pulse Levels
10% and 90% of VDD
Input rise and fall times
3 ns
Input and output timing levels
0.5 VDD
Output Load Capacitance
30 pF
Serial Data Bus Timing



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