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FM25040B Datasheet(PDF) 11 Page - Ramtron International Corporation

Part # FM25040B
Description  4Kb Serial 5V F-RAM Memory
PDF  13 Pages
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Manufacturer  RAMTRON [Ramtron International Corporation]
Direct Link  http://www.ramtron.com
Logo RAMTRON - Ramtron International Corporation

FM25040B Datasheet(HTML) 11 Page - Ramtron International Corporation

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FM25040B - 4Kb 5V SPI F-RAM
Rev. 1.2
Feb. 2011
Page 11 of
13
Serial Data Bus Timing
CS
SCK
SI
SO
1/tCK
tCL
tCH
tCSH
tODV
tOH
tOD
tCSU
tSU
tH
tD
tR
tF
/Hold Timing
CS
SCK
SO
HOLD
tHS
tHH
tHZ
tLZ
tHS
tHH
Power Cycle Timing
Power Cycle Timing (TA = -40
° C to + 85° C, VDD = 4.5V to 5.5V unless otherwise specified)
Symbol
Parameter
Min
Max
Units
Notes
tPU
VDD(min) to First Access Start
10
-
ms
tPD
Last Access Complete to VDD(min)
0
-
µs
tVR
VDD Rise Time
30
-
µs/V
1
tVF
VDD Fall Time
100
-
µs/V
1
Notes
1. Slope measured at any point on VDD waveform.



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