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IMX7SCEC Fiches technique(PDF) 63 Page - NXP Semiconductors

No de pièce IMX7SCEC
Description  i.MX 7Solo Family
PDF  152 Pages
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Fabricant  NXP [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo NXP - NXP Semiconductors

IMX7SCEC Fiches technique(HTML) 63 Page - NXP Semiconductors

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Electrical characteristics
i.MX 7Solo Family of Applications Processors Datasheet, Rev. 5, 07/2017
NXP Semiconductors
63
Figure 28 shows the LPDDR3 write timing diagram. The timing parameters for this diagram appear in
Table 44.
Figure 28. LPDDR3 write cycle
Table 43. LPDDR3 timing parameters1,2
1 All measurements are in reference to V
ref level.
2 Measurements were done using balanced load and 25 Ω resistor from outputs to DDR_VREF.
ID
Parameter
Symbol
CK = 533 MHz
Unit
Min
Max
LP1
SDRAM clock high-level width
tCH
0.45
0.55
tCK
LP2
SDRAM clock low-level width
tCL
0.45
0.55
tCK
LP3
DRAM_CSx_B
tIS
390
—
ps
LP4
DRAM_CSx_E
tIH
390
—
ps
LP3
DRAM_CAS_B setup time
tIS
275
—
ps
LP4
DRAM_CAS_B hold time
tIH
275
—
ps



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