MPC8640DEC datasheet(7/140 Pages) FREESCALE

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MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

Electrical Characteristics

2.1.2

Recommended Operating Conditions

Table 2 provides the recommended operating conditions for the MPC8640. Note that the values in Table 2

are the recommended and tested operating conditions. Proper device operation outside of these conditions

is not guaranteed. For details on order information and specific operating conditions for parts, see

Section 21, “Ordering Information.”

Storage temperature range

TSTG

-55 to 150

°C

Notes:

1. Functional and tested operating conditions are given in Table 2. Absolute maximum ratings are stress ratings only, and

functional operation at the maxima is not guaranteed. Stresses beyond those listed may affect device reliability or cause

permanent damage to the device.

2. Core 1 characteristics apply only to MPC8640D. If two separate power supplies are used for VDD_Core0 and VDD_Core1,

they must be kept within 100 mV of each other during normal run time.

3. The -0.3 to 2.75 V range is for DDR and -0.3 to 1.98 V range is for DDR2.

4. The 3.63V maximum is only supported when the port is configured in GMII, MII, RMII, or TBI modes; otherwise the 2.75V

maximum applies. See Section 8.2, “FIFO, GMII, MII, TBI, RGMII, RMII, and RTBI AC Timing Specifications” for details on

the recommended operating conditions per protocol.

5. During run time (M,L,T,O)VIN and Dn_MVREF may overshoot/undershoot to a voltage and for a maximum duration as

shown in Figure 2.

Table 2. Recommended Operating Conditions

Characteristic

Symbol

Recommended

Value

Unit

Notes

Cores supply voltages

VDD_Core0,

VDD_Core1

1.05 ± 50 mV

1, 2

0.95 ± 50 mV

1, 2, 10

Cores PLL supply

AVDD_Core0,

AVDD_Core1

1.05 ± 50 mV

0.95 ± 50 mV

10, 11

SerDes Transceiver Supply (Ports 1 and 2)

SVDD

1.05 ± 50 mV

SerDes Serial I/O Supply Port 1

XVDD_SRDS1

1.05 ± 50 mV

SerDes Serial I/O Supply Port 2

XVDD_SRDS2

1.05 ± 50 mV

SerDes DLL and PLL supply voltage for Port 1 and Port 2

AVDD_SRDS1,

AVDD_SRDS2

1.05 ± 50 mV

Platform Supply voltage

VDD_PLAT

1.05 ± 50 mV

Local Bus and Platform PLL supply voltage

AVDD_LB,

AVDD_PLAT

1.05 ± 50 mV

DDR and DDR2 SDRAM I/O supply voltages

D1_GVDD,

D2_GVDD

2.5 V ± 125 mV

1.8 V ± 90 mV

eTSEC 1 and 2 I/O supply voltage

LVDD

3.3 V ± 165 mV

2.5 V ± 125 mV

Table 1. Absolute Maximum Ratings1 (continued)

Characteristic

Symbol

Absolute Maximum

Value

Unit

Notes

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