MCIMX255AJM4A Freescale, MCIMX255AJM4A Datasheet - Page 35

• Manufacturer Part Number: MCIMX255AJM4A
• Manufacturer: Freescale

Specifications of MCIMX255AJM4A

• Lead Free Status / RoHS Status: Compliant

Note:
1. 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:
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
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,
Table 24
3.6.3.2
Table 25
Freescale Semiconductor
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
AC input logic high
AC input logic low
AC differential input voltage
AC differential cross point voltage for input
bcs model, 1.3 V, I/O 1.95 V and –40 °C. Input transition time from core is 1 ns (20%–80%).
between VIH to VIL for falling edge.
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.
shows AC parameters for SDRAM I/O.
DDR_TYPE = 01 SDRAM I/O AC Parameters and Requirements
Parameter
Table 23. AC Parameters for Mobile DDR pbijtov18_33_ddr_clk I/O (continued)
Parameter
Parameter
i.MX25 Applications Processor for Automotive Products, Rev. 4
Table 24. AC Requirements for Mobile DDR I/O
Table 25. AC Parameters for SDRAM I/O
Symbol
Symbol
Fduty
tdit
tdit
tdit
trfi
tpi
tpi
f
Symbol
VIH(ac)
VIL(ac)
Vid(ac)
Vix(ac)
Condition
Condition
1.0 pF
1.0 pF
1.0 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
Load
Load
—
—
0.8
0.6
0.4
0.07/0.08
0.84/0.84
1.66/1.66
Rise/Fall
Min.
–0.3
Rise/Fall
Min.
OVDD
OVDD
OVDD
Min.
65
70
31
33
16
17
40
—
0.11/0.13
1.40/1.34
2.22/2.16
Typ.
171
183
Typ.
82
87
43
46
50
—
0.2
OVDD+0.3
OVDD+0.6
OVDD+0.6
0.16/0.20
Rise/Fall
2.25/2.16
3.06/2.97
Rise/Fall
Max.
Max.
Max.
426
450
233
245
115
120
125
OVDD
60
mA/ns
mA/ns
mA/ns
Units
Units
MHz
ns
ns
ns
%
Units
Notes
Notes
V
V
V
V
—
3
4
1
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