MCIMX251AJM4AR2 Freescale Semiconductor, MCIMX251AJM4AR2 Datasheet - Page 35
MCIMX251AJM4AR2
Manufacturer Part Number
MCIMX251AJM4AR2
Description
Processors - Application Specialized IMX25 1.2 AUTO
Manufacturer
Freescale Semiconductor
Datasheet
1.MCIMX251AJM4AR2.pdf
(140 pages)
Specifications of MCIMX251AJM4AR2
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
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Table 26
Freescale Semiconductor
Output pad slew rate
Output pad slew rate
Output pad dI/dt
Output pad dI/dt
Output pad dI/dt
Input pad transition times
Input pad propagation delay, 50%–50%
Input pad propagation delay, 40%–60%
AC input logic high
AC input logic low
AC differential input voltage
AC differential cross point voltage for input
Maximum condition for tpr, tpo, tpi, 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%).
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.
Maximum condition for tdit: bcs model, 1.3 V, I/O 1.95 V, and –40 °C.
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%).
shows the AC requirements for mobile DDR I/O.
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3
3
Table 25. AC Parameters for Mobile DDR pbijtov18_33_ddr_clk I/O (continued)
(max. drive)
(high drive)
(standard drive)
Parameter
Parameter
2
2
(high drive)
(standard drive)
4
i.MX25 Applications Processor for Automotive Products, Rev. 9
Table 26. AC Requirements for Mobile DDR I/O
4
4
Symbol
Symbol
VIH(ac)
VIL(ac)
Vid(ac)
Vix(ac)
tps
tps
tdit
tdit
tdit
trfi
tpi
tpi
Condition
1.0 pF
1.0 pF
1.0 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
Load
0.8
0.6
0.4
Min.
–0.3
OVDD
OVDD
OVDD
0.30/0.37
0.21/0.25
0.22/0.26
0.13/0.16
0.07/0.08
0.84/0.84
1.66/1.66
Rise/Fall
Min.
65
70
31
33
16
17
0.51/0.63
0.36/0.42
0.37/0.44
0.23/0.26
0.11/0.13
1.40/1.34
2.22/2.16
0.2
OVDD+0.3
OVDD+0.6
OVDD+0.6
Typ.
171
183
82
87
43
46
Max.
OVDD
0.63/0.67
0.65/0.72
0.39/0.40
0.16/0.20
2.25/2.16
3.06/2.97
Rise/Fall
091/1.06
Max.
426
450
233
245
115
120
Units
mA/ns
mA/ns
mA/ns
Units
V
V
V
V
V/ns
V/ns
ns
ns
ns
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