MPC5673K datasheet(96/147 Pages) NXP

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MPC5675K Microcontroller Data Sheet, Rev. 8.1

Electrical characteristics

NXP Semiconductors

3.19.3

DRAM pads electrical specification (VDD_HV_DRAM = 1.8 V)

Table 49. Output drive current @ VDDE = 2.5 V (±200 mV)

Pad Name

Drive Mode

Minimum IOH (mA)

1 I

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

Minimum IOL (mA)

2 I

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

DRAM ACC

011

–16.2

16.2

DRAM DQ

011

DRAM CLK

011

Table 50. DRAM pads AC electrical specifications (VDD_HV_DRAM = 2.5 V)

No.

Pad Name

Prop. Delay (ns)

→ H/H → L1

→ H signifies low-to-high propagation delay and H → L signifies high-to-low propagation delay.

Rise/Fall Edge (ns)

Drive

Load

(pF)

Drive/Slew

Rate Select

Min

Max

Min

Max

MSB, LSB

DRAM ACC

1.4/1.5

2.5/2.4

2.1/2.1

4.3/4.1

011

1.7/1.7

2.8/2.7

0.6/0.7

1.1/1.3

DRAM DQ

1.4/1.5

2.5/2.4

2.1/2.1

4.3/4.1

011

1.7/1.7

2.8/2.7

0.6/0.7

1.1/1.3

DRAM CLK

1.4/1.4

2.4/2.4

2.1/2.1

4.4/4.1

011

1.6/1.6

2.7/2.7

0.6/0.7

1.6/1.8

Table 51. DRAM pads DC electrical specifications (VDD_HV_DRAM = 1.8 V)

No.

Symbol

Parameter

Condition

Min

Max

Unit

1VDD_HV_DRAM

SR I/O supply voltage

—

1.62

1.9

2VDD_HV_DRAM_VREF CC Input reference voltage

—

0.49 × VDD_HV_DRAM 0.51 × VDD_HV_DRAM

3VDD_HV_DRAM_VTT CC Termination voltage

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.

—VDD_HV_DRAM_VREF

–0.04

VDD_HV_DRAM_VREF

+0.04

4VIH

CC Input high voltage

—

VDD_HV_DRAM_VREF

+ 0.125

—

5VIL

CC Input low voltage

—

VDD_HV_DRAM_VREF

–0.125

6VOH

CC Output high voltage

—

1.42

—

7VOL

CC Output low voltage

—

0.28

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