MPC5675K datasheet(98/140 Pages) FREESCALE

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MPC5675K Microcontroller Data Sheet, Rev. 4

Preliminary—Subject to Change Without Notice

Electrical characteristics

Freescale Semiconductor

VDD_HV_DRAM_VTT CC Termination voltage

—VDD_HV_DRAM_VREF

× 0.05

VDD_HV_DRAM_VREF

+0.05

4VIH

CC Input high voltage

—VDD_HV_DRAM_VREF +

0.20

—V

5VIL

CC Input low voltage

—VDD_HV_DRAM_VREF

× 0.2

6VOH

CC Output high voltage

ODT

enabled2

VDD_HV_DRAM_VTT

+0.8

—V

ODT

disabled3

0.8 × VDD_HV_DRAM

—V

7VOL

CC Output low voltage

ODT

enabled2

—VDD_HV_DRAM_VTT

× 0.8

ODT

disabled3

—VDD_HV_DRAM

×0.2

NOTES:

1 BGA473: Termination voltage can be supplied via package pins. BGA257 Termination voltage internally tied as the

BGA257 does not provide DRAM interface. Disable ODT

2 Termination voltage is supplied by V

DD_HV_DRAM_VTT.

3 Tie V

DD_HV_DRAM_VTT to VSS and disable ODT

Table 49. Output drive current @ VDDE = 3.3 V (±10%)

No.

Pad Name

Drive Mode

Minimum IOH (mA)

Minimum IOL (mA)

DRAM ACC

111

–16

DRAM DQ

DRAM CLK

NOTES:

1 I

OH is defined as the current sourced by the pad to drive the output to VOH.

2 I

OL is defined as the current sunk by the pad to drive the output to VOL.

Table 50. DRAM pads AC electrical specifications (VDD_HV_DRAM = 3.3 V)

No.

Pad Name

Prop. Delay (ns)

 H/H  L1

Output Slew rate

Rise/Fall (V/ns)

Drive Load

(pF)

Drive/Slew

Rate Select

MinMax

MSB, LSB

DRAM ACC

1.4/1.4

2.4/2.4

3.1/2.5

5.6/5.4

111

1.7/1.7

2.7/2.7

0.9/1.1

1.7/2.0

111

DRAM DQ

1.4/1.4

2.4/2.4

3.1/2.5

5.6/5.4

111

1.7/1.7

2.7/2.7

0.9/1.1

1.7/2.0

111

DRAM CLK

1.4/1.4

2.4/2.4

3.1/2.5

5.7/5.7

111

1.6/1.6

2.6/2.6

1.1/1.3

2.3/2.3

111

Table 48. DRAM pads DC electrical specifications (VDD_HV_DRAM (continued) = 3.3 V)

No.

Symbol

Parameter

Condition

Min

Max

Unit

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