MCIMX255AJM4A Freescale, MCIMX255AJM4A Datasheet - Page 63

• Manufacturer Part Number: MCIMX255AJM4A
• Manufacturer: Freescale

Specifications of MCIMX255AJM4A

• Lead Free Status / RoHS Status: Compliant

Table 48
slew rate of 2 V/ns.
Freescale Semiconductor
Slew Rate (V/Ns)
Command/
Address
0.25
0.15
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
shows values for a command/address slew rate of 1 V/ns and an SDCLK, SDCLK_B differential
Table 49
Table 49. tlS, tlH Derating Values for DDR2-400, DDR2-533
–1450
i.MX25 Applications Processor for Automotive Products, Rev. 4
+187
+179
+167
+150
+125
–110
–175
–285
–350
–525
–800
+83
–11
–25
–43
–67
tlS
0
2.0 V/ns
shows additional values for DDR2-400 and DDR2-533.
–1125
–125
–188
–292
–375
–500
–708
+94
+89
+83
+75
+45
+21
–14
–31
–54
–83
tlH
0
CK, CK Differential Slew Rate
–1420
+217
+209
+197
+180
+155
+113
–145
–255
–320
–495
–770
+30
+19
–13
–80
–37
+5
tlS
1.5 V/ns
–1095
+124
+119
+113
+105
–158
–262
–345
–470
–678
+75
+51
+30
+16
–24
–53
–95
–1
tlH
–1390
+247
+239
+227
+210
+185
+143
–115
–225
–290
–465
–740
+60
+49
+35
+17
–50
–7
tlS
1.0 V/ns
–1065
+154
+149
+143
+135
+105
–128
–232
–315
–440
–648
+81
+60
+46
+29
–23
–65
+6
tlH
Units
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
63