MSC8144 Freescale Semiconductor, MSC8144 Datasheet - Page 27

• Manufacturer Part Number: MSC8144
• Description: Quad Core Digital Signal Processor
• Manufacturer: Freescale Semiconductor

2.2
Table 3 lists recommended operating conditions. Proper device operation outside of these conditions is not guaranteed.
2.3
Table 4 provides information on the characteristics of the output driver strengths. The values are preliminary estimates.
Freescale Semiconductor
DDR signal
DDR2 signal
PCI signals
Rapid I/O signals
Other signals
Core supply voltage
PLL supply voltage
M3 memory Internal voltage
DDR memory supply voltage
• DDR mode
• DDR2 mode
DDR reference voltage
Ethernet 1 I/O voltage
• 2.5 V mode
• 3.3 V mode
Ethernet 2 I/O voltage
• 2.5 V mode
• 3.3 V mode
I/O voltage excluding Ethernet,
DDR, M3, and RapidIO lines
M3 memory I/O and M3 charge
pump voltage
Rapid I/O C voltage
Rapid I/O P voltage
• Short run (haul) mode
• Long run (haul) mode
Rapid I/O PLL voltage
Operating temperature range:
• Standard
• Extended
Note:
PLL supply voltage is specified at input of the filter and not at pin of the MSC8144 (see Figure 46).
Rating
Recommended Operating Conditions
Default Output Driver Characteristics
Driver Type
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1
V
Table 3. Recommended Operating Conditions
Symbol
V
V
V
V
V
V
V
V
V
DDRIOPLL
MV
V
V
V
DDM3IO
DDPLL0
DDPLL1
DDPLL2
DDDDR
DDSXC
DDGE1
DDGE2
DDSXP
V
DDM3
DDIO
25M3
T
T
T
DD
REF
A
J
J
Table 4. Output Drive Impedance
0.49 × V
2.375
2.375
3.135
2.375
3.135
3.135
2.375
Min
0.97
0.97
1.14
1.71
0.95
0.95
1.14
0.95
–40
—
0
DDDDR
0.5 × V
Nominal
1.0
1.0
1.2
2.5
1.8
2.5
3.3
2.5
3.3
3.3
2.5
1.0
1.0
1.2
1.0
Output Impedance (Ω)
DDDDR
35 (half strength mode)
100
18
18
25
50
0.51 × V
Electrical Characteristics
2.625
2.625
3.465
2.625
3.465
3.465
2.625
Max
1.05
1.05
1.26
1.89
1.05
1.05
1.26
1.05
105
90
—
DDDDR
Unit
°C
°C
°C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
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