MSC8144 datasheet(27/80 Pages) FREESCALE

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Electrical Characteristics

MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1

Freescale Semiconductor

2.2

Recommended Operating Conditions

Table 3 lists recommended operating conditions. Proper device operation outside of these conditions is not guaranteed.

2.3

Default Output Driver Characteristics

Table 4 provides information on the characteristics of the output driver strengths. The values are preliminary estimates.

Table 3. Recommended Operating Conditions

Rating

Symbol

Min

Nominal

Max

Unit

Core supply voltage

VDD

0.97

1.0

1.05

PLL supply voltage

VDDPLL0

VDDPLL1

VDDPLL2

0.97

1.0

1.05

M3 memory Internal voltage

VDDM3

1.14

1.2

1.26

DDR memory supply voltage

• DDR mode

• DDR2 mode

DDR reference voltage

VDDDDR

MVREF

2.375

1.71

0.49

× VDDDDR

2.5

1.8

0.5

× VDDDDR

2.625

1.89

0.51

× VDDDDR

Ethernet 1 I/O voltage

• 2.5 V mode

• 3.3 V mode

VDDGE1

2.375

3.135

2.5

3.3

2.625

3.465

Ethernet 2 I/O voltage

• 2.5 V mode

• 3.3 V mode

VDDGE2

2.375

3.135

2.5

3.3

2.625

3.465

I/O voltage excluding Ethernet,

DDR, M3, and RapidIO lines

VDDIO

3.135

3.3

3.465

M3 memory I/O and M3 charge

pump voltage

VDDM3IO

V25M3

2.375

2.5

2.625

Rapid I/O C voltage

VDDSXC

0.95

1.0

1.05

Rapid I/O P voltage

• Short run (haul) mode

• Long run (haul) mode

VDDSXP

0.95

1.14

1.0

1.2

1.05

1.26

Rapid I/O PLL voltage

VDDRIOPLL

0.95

1.0

1.05

Operating temperature range:

• Standard

• Extended

–40

—

105

°C

Note:

PLL supply voltage is specified at input of the filter and not at pin of the MSC8144 (see Figure 46).

Table 4. Output Drive Impedance

Driver Type

Output Impedance (

Ω)

DDR signal

DDR2 signal

35 (half strength mode)

PCI signals

Rapid I/O signals

100

Other signals

MSC8144 Datasheet(PDF) 27 Page - Freescale Semiconductor, Inc

MSC8144 Datasheet(HTML) 27 Page - Freescale Semiconductor, Inc

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