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FM25640 데이터시트(PDF) 10 Page - Ramtron International Corporation

부품명 FM25640
상세설명  64Kb FRAM Serial Memory
PDF  13 Pages
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제조업체  RAMTRON [Ramtron International Corporation]
홈페이지  http://www.ramtron.com
Logo RAMTRON - Ramtron International Corporation

FM25640 데이터시트(HTML) 10 Page - Ramtron International Corporation

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FM25640 - Automotive Temp.
Rev. 3.0
July 2007
10 of 13
AC Parameters (TA = -40° C to + 125° C, VDD = 4.5V to 5.5V unless otherwise specified)
Symbol
Parameter
Min
Max
Units
Notes
fCK
SCK Clock Frequency
0
4.0
MHz
tCH
Clock High Time
100
ns
1
tCL
Clock Low Time
100
ns
1
tCSU
Chip Select Setup
100
ns
tCSH
Chip Select Hold
100
ns
tOD
Output Disable
100
ns
2
tODV
Output Data Valid
75
ns
tOH
Output Data Hold
0
ns
tD
Deselect Time
100
ns
tR
Data In Rise Time
50
ns
1,3
tF
Data In Fall Time
50
ns
1,3
tH
Data In Hold Time
30
ns
tSU
Data In Setup Time
20
ns
tHS
/HOLD Input Setup Time
70
ns
tHH
/HOLD Input Hold Time
40
ns
tHZ
/HOLD Low to Data Out Hi-Z
100
ns
2
tLZ
/HOLD High to Data Out Lo-Z
50
ns
2
Notes
1.
tCH + tCL = 1/fCK.
2.
Rise and fall times measured between 10% and 90% of waveform.
3.
This parameter is characterized but not 100% tested.
Capacitance (TA = 25° C, f=1.0 MHz, VDD = 5V)
Symbol
Parameter
Min
Max
Units
Notes
CO
Output Capacitance (SO)
-
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
10 ns
Input and output timing levels
0.5 VDD
Output Load Capacitance
100 pF



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