FM25C160B Ver la hoja de datos (PDF) - Ramtron International Corporation
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FM25C160B Datasheet PDF : 13 Pages
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FM25C160B - 16Kb 5V SPI F-RAM
AC Parameters (TA = -40° C to + 85° C, VDD = 4.5V to 5.5V unless otherwise specified)
Symbol Parameter
Min
Max
fCK
SCK Clock Frequency
tCH
Clock High Time
tCL
Clock Low Time
tCSU
Chip Select Setup
tCSH
Chip Select Hold
tOD
Output Disable
tODV
Output Data Valid
tOH
Output Hold
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
20
22
22
10
10
20
20
0
60
50
50
5
5
10
10
20
20
Notes
1. tCH + tCL = 1/fCK.
2. Rise and fall times measured between 10% and 90% of waveform.
3. This parameter is characterized and not 100% tested.
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1
1
2
1,3
1,3
2
2
Capacitance (TA = 25° C, f=1.0 MHz, VDD = 5V)
Symbol
Parameter
Max
CO
Output Capacitance (SO)
8
CI
Input Capacitance
6
Units
pF
pF
Notes
1
1
Notes
1. This parameter is characterized and not 100% tested.
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
Data Retention
Symbol
Parameter
TDR
@ +85ºC
@ +80ºC
@ +75ºC
Min
Max
Units
Notes
10
-
Years
19
-
Years
38
-
Years
Rev. 1.2
Mar. 2011
Page 10 of 13
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