MCIMX25 Motorola Semiconductor Products, MCIMX25 Datasheet - Page 36

• Manufacturer Part Number: MCIMX25
• Manufacturer: Motorola Semiconductor Products

Note:
1. Maximum condition for tpr, tpo, tpi, and tpv: wcs model, 1.1 V, I/O 3.0 V, and 105 °C. Minimum condition for tpr, tpo, and tpv:
2. Minimum condition for tps: wcs model, 1.1 V, I/O 3.0 V, and 105 °C. tps is measured between VIL to VIH for rising edge and
3. Maximum condition for tdit: bcs model, 1.3 V, I/O 3.6 V, and –40 °C.
4. Maximum condition for tpi and trfi: wcs model, 1.1 V, I/O 3.0 V and 105 °C. Minimum condition for tpi and trfi: bcs model, 1.3 V,
Table 24
36
Output pad dI/dt (max. drive)
Output pad dI/dt (high drive)
Output pad dI/dt (standard drive)
Input pad transition times
Input pad propagation delay, 50%–50%
Input pad propagation delay, 40%–60%
Duty cycle
Clock frequency
Output pad transition times (max. drive)
Output pad transition times (high drive)
Output pad transition times (standard drive)
Output pad propagation delay (max. drive),
50%–50% input signals and crossing of
output signals
Output pad propagation delay (high drive),
50%–50% input signals and crossing of
output signals
Output pad propagation delay (standard
drive), 50%–50% input signals and crossing
of output signals
bcs model, 1.3 V, I/O 3.6 V and –40 °C. Input transition time from core is 1 ns (20%–80%).
between VIH to VIL for falling edge.
I/O 3.6 V and –40 °C. Input transition time from pad is 5 ns (20%–80%).
shows AC parameters for SDRAM pbijtov18_33_ddr_clk I/O.
Parameter
Parameter
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 2
Table 24. AC Parameters for SDRAM pbijtov18_33_ddr_clk I/O
Table 23. AC Parameters for SDRAM I/O (continued)
Symbol
Symbol
Fduty
tdit
tdit
tdit
tpo
tpo
tpo
trfi
tpi
tpi
tpr
tpr
tpr
f
Condition
Condition
1.0 pF
1.0 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
Load
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
Load
—
—
—
Rise/Fall
0.07/0.08
0.35/1.17
1.18/1.99
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
1.50/1.40
1.95/1.85
1.69/1.59
2.35/2.25
2.26/2.15
3.59/3.49
Min.
Min.
89
94
59
62
29
31
40
—
1.45/2.35 1.97/2.85
0.11/0.12 0.16/0.20
0.63/1.53 1.16/2.04
2.23/2.07
2.81/2.66
2.48/2.32
3.35/3.19
3.24/3.08
4.98/4.82
1.14/1.13
2.13/2.09
1.71/1.68
3.22/3.12
3.38/3.27
6.38/6.23
Typ.
Typ.
198
209
132
139
65
69
50
—
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
3.28/3.04
4.06/3.82
3.63/3.38
4.80/4.56
4.66/4.42
7.00/6.75
Rise/Fall
Max.
Max.
398
421
265
279
132
139
125
60
7
Freescale Semiconductor
mA/ns
mA/ns
mA/ns
Units
Units
MHz
ns
ns
—
ns
ns
ns
ns
ns
ns
%
Notes
Notes
—
3
4
1
1
1