FM25V05(2012) Просмотр технического описания (PDF) - Ramtron International Corporation
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FM25V05 Datasheet PDF : 16 Pages
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FM25V05 - 512Kb SPI FRAM
AC Parameters (TA = -40C to + 85C, CL = 30pF, unless otherwise specified)
VDD 2.0 to 2.7V
VDD 2.7 to 3.6V
Symbol Parameter
Min
Max
Min
Max
fCK
C Clock Frequency
tCH
Clock High Time
tCL
Clock Low Time
tCSU
Chip Select Setup
tCSH
Chip Select Hold
tOD
Output Disable Time
tODV
Output Data Valid Time
tOH
Output Hold Time
tD
Deselect Time
tR
Data In Rise Time
tF
Data In Fall Time
tSU
Data Setup Time
tH
Data Hold Time
tHS
/HOLD Setup Time
tHH
/HOLD Hold Time
tHZ
/HOLD Low to Hi-Z
tLZ
/HOLD High to Data Active
0
25
0
40
20
11
20
11
12
10
12
10
20
12
18
9
0
0
60
40
50
50
50
50
8
5
8
5
12
10
12
10
25
20
25
20
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.
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1
1
2
2,3
2,3
2
2
Capacitance (TA = 25 C, f=1.0 MHz, VDD = 3.3V)
Symbol Parameter
CO
Output Capacitance (Q)
CI
Input Capacitance
Notes
1. This parameter is characterized and not 100% tested.
Min
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
3 ns
0.5 VDD
30 pF
Serial Data Bus Timing
S
tCSU
1/tCK
tF
tR
C
tSU
tH
D
tODV
tOH
Q
tCL
tCH
tD
tCSH
tOD
Rev. 3.0
Jan. 2012
Page 13 of 16
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