MCIMX287CVM4B Freescale, MCIMX287CVM4B Datasheet - Page 32

• Manufacturer Part Number: MCIMX287CVM4B
• Manufacturer: Freescale

Specifications of MCIMX287CVM4B

• Lead Free Status / RoHS Status: Compliant

3.4.3.3
Figure 7
32
DDR14
DDR15
DDR16
DDR20
DDR21
DDR22
ID
ID
and
EMI_CLKN
EMI_CLK
EMI_DQSN
EMI_DQS
EMI_DQ
DQS output low pulse width
DQ & DQM output setup time relative to DQS
DQ & DQM output hold time relative to DQS
Positive DQS latching edge to associated CK edge
DQS to DQ input skew
DQS to DQ input hold time
Table 36
DDR2 Input AC Timing
i.MX28 Applications Processor Data Sheet for Consumer Products, Rev. 0
show input AC timing for standard DDR2 and LVDDR2.
Table 35. DDR Output AC Timing (continued)
Description
Description
DDR20
Figure 7. DDR2 Input AC Timing
Table 36. DDR2 Input AC Timing
DDR21
d0
DDR22
d1
tDQSL
tDS
tDQSCK
tDQSQ
tDH
tQH
Symbol
Symbol
d2
0.5 tCK
–0.5
1/4 tCK
–0.8
1/4 tCK
–0.8
–0.5
0.25 tCK
–0.85
0.25 tCK
+0.75
d3
Min
Min
Freescale Semiconductor
0.5 tCK
+ 0.5
1/4 tCK
–0.5
1/4 tCK
–0.5
0.25 tCK
–0.5
0.25 tCK
+ 1
0.5
Max
Max
ns
ns
ns
ns
ns
ns
Unit
Unit