MPC8568E datasheet(22/139 Pages) FREESCALE

Teilenummer	MPC8568E

Bauteilbeschribung	MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications

PDF	139 Pages

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Hersteller	FREESCALE [Freescale Semiconductor, Inc]

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MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

DDR and DDR2 SDRAM

Figure 3 provides the input timing diagram for the DDR SDRAM interface. tDISKEW can be calculated

from tCISKEW. See Table 19 footnote 2.

Figure 3. DDR SDRAM Input Timing Diagram

6.2.2

DDR SDRAM Output AC Timing Specifications

Table 20. DDR SDRAM Output AC Timing Specifications

At recommended operating conditions.

Parameter

Symbol 1

Min

Max

Unit

Notes

MCK[n] cycle time, MCK[n]/MCK[n] crossing

tMCK

3.75

ADDR/CMD output setup with respect to MCK

tDDKHAS

533 MHz

1.48

—

400 MHz

1.95

—

333 MHz

2.40

—

ADDR/CMD output hold with respect to MCK

tDDKHAX

533 MHz

1.48

—

400 MHz

1.95

—

333 MHz

2.40

—

MCS[n] output setup with respect to MCK

tDDKHCS

533 MHz

1.48

—

400 MHz

1.95

—

333 MHz

2.40

—

MDQ[x]

MDQS[n]

MCK[n]

tMCK

tDISKEW

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