参数资料
型号: MCIMX258CJM4
厂商: Freescale Semiconductor
文件页数: 82/153页
文件大小: 0K
描述: MPU IMX25 IND 400-MAPBGA
特色产品: MCIMX25 Applications Processors
标准包装: 90
系列: i.MX25
核心处理器: ARM9
芯体尺寸: 32-位
速度: 400MHz
连通性: 1 线,CAN,EBI/EMI,以太网,I²C,MMC,智能卡,SPI,SSI,UART/USART,USB OTG
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 128
程序存储器类型: 外部程序存储器
RAM 容量: 144K x 8
电压 - 电源 (Vcc/Vdd): 1.15 V ~ 1.52 V
数据转换器: A/D 3x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 400-LFBGA
包装: 托盘
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 10
34
Freescale Semiconductor
Table 25 shows the AC parameters for mobile DDR pbijtov18_33_ddr_clk I/O.
Table 25. AC Parameters for Mobile DDR pbijtov18_33_ddr_clk I/O
Parameter
Symbol
Load
Condition
Min.
Rise/Fall
Typ.
Max.
Rise/Fall
Units
Duty cycle
Fduty
40
50
60
%
Clock frequency1
f
133
MHz
Output pad transition times1 (max. drive)
tpr
25 pF
50 pF
0.52/0.51
0.98/0.96
0.79/0.72
1.49/1.34
1.25/1.09
2.31/1.98
ns
Output pad transition times1 (high drive)
tpr
25 pF
50 pF
1.13/1.10
2.15/2.10
1.74/1.55
3.28/2.92
2.71/2.30
5.11/4.31
ns
Output pad transition times1 (standard drive)
tpr
25 pF
50 pF
2.26/2.19
4.30/4.18
3.46/3.07
6.59/5.79
5.39/4.56
10.13/8.55
ns
Output pad propagation delay1 (max. drive),
50%–50% input signals and crossing of output
signals
tpo
15 pF
35 pF
1.28/1.19
1.56/1.47
1.97/1.83
2.37/2.23
2.98/2.78
3.57/3.37
ns
Output pad propagation delay1 (high drive),
50%–50% input signals and crossing of output
signals
tpo
15 pF
35 pF
1.54/1.43
2.14/2.04
2.34/2.20
3.22/3.08
3.54/3.33
4.85/4.65
ns
Output pad propagation delay1 (standard drive),
50%–50% input signals and crossing of output
signals
tpo
15 pF
35 pF
2.05/1.94
3.27/3.16
3.11/2.96
4.86/4.72
4.70/4.50
7.33/7.12
ns
Output pad propagation delay1 (max. drive),
40%–60% input signals and crossing of output
signals
tpo
15 pF
35 pF
1.45/1.36
1.73/1.64
2.13/2.00
2.53/2.40
3.14/2.94
3.74/3.54
ns
Output pad propagation delay1 (high drive),
40%–60% input signals and crossing of output
signals
tpo
15 pF
35 pF
1.70/1.60
2.31/2.21
2.51/2.37
3.38/3.24
3.70/3.50
5.02/4.82
ns
Output pad propagation delay1 (standard drive),
40%–60% input signals and crossing of output
signals
tpo
15 pF
35 pF
2.22/2.11
3.43/3.32
3.27/3.13
5.02/4.88
4.87/4.66
7.49/7.29
ns
Output enable to output valid delay1 (max. drive),
50%–50%
tpv
15 pF
35 pF
1.16/1.12
1.42/1.41
1.91/1.81
2.31/2.20
3.10/2.89
3.72/3.47
ns
Output enable to output valid delay1 (high drive),
50%–50%
tpv
15 pF
35 pF
1.39/1.39
1.98/2.02
2.28/2.18
3.18/3.04
3.69/3.43
5.08/4.69
ns
Output enable to output valid delay1 (standard
drive), 50%–50%
tpv
15 pF
35 pF
1.90/1.94
3.07/3.20
3.09/2.94
4.88/4.66
4.95/4.55
7.73/7.05
ns
Output enable to output valid delay1 (max. drive),
40%–60%
tpv
15 pF
35 pF
1.28/1.24
1.49/1.47
2.00/1.90
2.32/2.21
3.14/2.93
3.64/3.41
ns
Output enable to output valid delay1 (high drive),
40%–60%
tpv
15 pF
35 pF
1.45/1.44
1.92/1.95
2.28/2.19
2.99/2.87
3.60/3.36
4.69/4.36
ns
Output enable to output valid delay1 (standard
drive), 40%–60%
tpv
15 pF
35 pF
1.85/1.88
2.78/2.88
2.92/2.79
4.34/4.16
4.5894.25
6.79/6.24
ns
Output pad slew rate2 (max. drive)
tps
25 pF
50 pF
0.37/0.45
0.30/0.36
0.64/0.79
0.52/0.61
1.14/1.36
0.90/1.02
V/ns
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