MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 36

• Manufacturer Part Number: MCIMX255AJM4AR2
• Description: Processors - Application Specialized IMX25 1.2 AUTO
• Manufacturer: Freescale Semiconductor

Specifications of MCIMX255AJM4AR2

• Core: ARM926EJ-S
• Processor Series: MCIMX25
• Maximum Clock Frequency: 400 MHz
• Instruction / Data Cache Memory: 16 KB
• Data Ram Size: 128 KB
• Operating Supply Voltage: 1.15 V to 1.52 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MAPBGA-400
• Interface Type: USB
• Memory Type: DDR2
• Minimum Operating Temperature: - 40 C

3.6.3.2
Table 27
36
Duty cycle
Clock frequency
Output pad transition times
Output pad transition times
Output pad transition times
Output pad propagation delay
50%–50%
Output pad propagation delay
50%–50%
Output pad propagation delay
50%–50%
Output pad propagation delay
40%–60%
Output pad propagation delay
40%–60%
Output pad propagation delay
40%–60%
Output enable to output valid delay
50%–50%
Output enable to output valid delay
50%–50%
Output enable to output valid delay
50%–50%
Output enable to output valid delay
40%–60%
Output enable to output valid delay
40%–60%
Output enable to output valid delay
40%–60%
Output pad slew rate
Output pad slew rate
shows AC parameters for SDRAM I/O.
DDR_TYPE = 01 SDRAM I/O AC Parameters and Requirements
1
2
2
Parameter
(max. drive)
(high drive)
1
1
1
(max. drive)
(high drive)
(standard drive)
i.MX25 Applications Processor for Automotive Products, Rev. 9
1
1
1
1
1
1
(max. drive),
(high drive),
(standard drive),
(max. drive),
(high drive),
(standard drive),
1
1
1
1
1
1
(standard drive),
(standard drive),
(max. drive),
(high drive),
(max. drive),
(high drive),
Table 27. AC Parameters for SDRAM I/O
Symbol
Fduty
tpo
tpo
tpo
tpo
tpo
tpo
tpv
tpv
tpv
tpv
tpv
tpv
tps
tps
tpr
tpr
tpr
f
Condition
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
25 pF
50 pF
25 pF
50 pF
Load
—
—
Rise/Fall
0.82/0.87
1.56/1.67
1.23/1.31
2.31/2.47
2.44/2.60
4.65/4.99
0.97/1.19
2.85/3.21
1.15/1.39
3.57/3.91
2.01/1.57
5.73/6.05
1.06/1.26
1.38/1.38
1.15/1.20
1.75/1.67
1.91/2.01
2.88/2.56
0.90/1.27
1.07/1.77
1.01/1.48
1.37/2.33
1.32/2.14
2.04/3.67
1.03/1.34
1.16/1.74
1.11/1.51
1.39/2.10
1.35/2.03
1.91/3.23
1.11/1.20
0.97/0.65
0.76/0.80
0.40/0.43
Min.
40
—
1.14/1.13
2.13/2.09
1.71/1.68
3.22/3.12
3.38/3.27
6.38/6.23
1.69/0.75
2.02/2.30
1.72/1.93
2.54/2.85
2.45/2.69
4.10/4.51
1.53/1.73
1.96/2.23
1.72/1.93
2.37/2.66
2.30/2.52
3.59/3.97
1.44/1.89
1.66/2.51
1.58/2.16
2.06/3.09
2.02/3.00
3.00/4.91
1.54/1.94
1.74/2.44
1.65/2.15
2.03/2.89
1.99/2.83
2.76/4.30
1.74/1.75
0.92/0.94
1.16/1.19
0.61/0.63
Typ.
50
—
Freescale Semiconductor
Rise/Fall
1.62/1.50
3.015/2.7
2.39/2.22
4.53/4.16
4.73/4.38
9.05/8.23
2.17/2.46
2.93/3.27
2.51/2.77
3.66/3.97
3.54/3.77
5.84/6.13
2.18/2.47
2.78/3.12
2.45/2.71
3.35/3.67
3.26/3.50
5.06/5.36
2.19/2.87
2.51/3.69
2.38/3.23
3.06/4.46
3.01/4.36
4.40/6.90
2.26/2.88
2.55/3.54
2.43/3.16
2.95/4.13
2.89/4.03
3.98/6.01
2.42/2.46
1.39/1.30
1.76/1.66
0.93/0.87
Max.
133
60
7
Units
MHz
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%