参数资料
型号: MCIMX258CJM4
厂商: Freescale Semiconductor
文件页数: 78/153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
30
Freescale Semiconductor
Table 23 shows the fast I/O AC parameters for OVDD = 3.0–3.6 V.
Output pad dI/dt3 (max. drive)
tdit
25 pF
50 pF
7
43
46
112
118
mA/ns
Output pad dI/dt3 (high drive)
tdit
25 pF
50 pF
11
12
31
33
81
85
mA/ns
Output pad dI/dt3 (standard
drive)
tdit
25 pF
50 pF
9
10
27
28
71
74
mA/ns
Input pad propagation delay without hysteresis,
50%–50%4
tpi
1.6 pF
0.74/1
1.1/1.5
1.75/2.16
ns
Input pad propagation delay with hysteresis,
50%–50%4
tpi
1.6 pF
1.75/1.63
2.67/2.22
2.92/3
ns
Input pad propagation delay without hysteresis,
40%–60%4
tpi
1.6 pF
1.82/1.55
2.28/1.87
2.95/2.54
ns
Input pad propagation delay with hysteresis,
40%–60%4
tpi
1.6 pF
2.4/2.6
3/3.07
3.77/3.71
ns
Input pad transition times without hysteresis4
trfi
1.6 pF
0.16/0.12
0.30/0.18
0.33/0.29
ns
Input pad transition times with hysteresis4
trfi
1.6 pF
0.16/0.13
0.30/0.18
0.33/0.29
ns
Maximum input transition times5
trm
25
ns
1 Maximum condition for tpr, tpo, and tpv: wcs model, 1.1 V, I/O 1.65 V, and 105 °C. Minimum condition for tpr, tpo, and tpv: bcs
model, 1.3 V, I/O 1.95 V, and –40 °C. Input transition time from core is 1 ns (20%–80%).
2 Minimum condition for tps: wcs model, 1.1 V, I/O 1.65 V and 105 °C. tps is measured between VIL to VIH for rising edge and
between VIH to VIL for falling edge.
3 Maximum condition for tdit: bcs model, 1.3 V, I/O 1.95 V and –40 °C.
4 Maximum condition for tpi and trfi: wcs model, 1.1 V, I/O 1.65 V and 105 °C. Minimum condition for tpi and trfi: bcs model, 1.3 V,
I/O 1.95 V and –40 °C. Input transition time from pad is 5 ns (20%–80%).
5 Hysteresis mode is recommended for input with transition time greater than 25 ns.
Table 23. Fast I/O AC Parameters for OVDD = 3.03.6 V
Parameter
Symbol
Test
Condition
Min.
Rise/Fall
Typ.
Max.
Rise/Fall
Units
Duty Cycle
Fduty
40
60
%
Output Pad Transition Times1 (Max Drive)
tpr
25 pF
50 pF
0.80/0.70
1.40/1.60
1.12/2.51
1.60/2.39
1.64/1.32
2.84/2.10
ns
Output Pad Transition Times1 (High Drive)
tpr
25 pF
50 pF
1.00/0.90
1.95/1.66
1.43/1.16
2.66/2.09
2.05/1.60
3.70/2.80
ns
Output Pad Transition Times1 (Standard Drive)
tpr
25 pF
50 pF
1.50/1.30
2.90/2.50
2.09/1.67
3.40/3.09
3.00/2.30
5.56/4.12
ns
Output Pad Propagation Delay1 (Max Drive),
50%–50%
tpo
25 pF
50 pF
1.20/1.28
1.67/1.75
1.74/1.73
2.39/2.32
2.67/2.52
3.58/3.33
ns
Table 22. Fast I/O AC Parameters for OVDD = 1.651.95 V (continued)
Parameter
Symbol
Test
Condition
Min.
Rise/Fall
Typ.
Max.
Rise/Fall
Units
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