MPC8568E datasheet(44/139 Pages) FREESCALE

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

Freescale Semiconductor

Local Bus

This section describes the DC and AC electrical specifications for the local bus interface of the MPC8568.

9.1

Local Bus DC Electrical Characteristics

Table 39 provides the DC electrical characteristics for the local bus interface operating at BVDD = 3.3 V

DC.

Table 40 provides the DC electrical characteristics for the local bus interface operating at BVDD = 2.5 V

DC.

Table 39. Local Bus DC Electrical Characteristics (3.3 V DC)

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

2BVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current

(VIN

1 = 0 V or V

IN = BVDD)

IIN

—±5

μA

High-level output voltage

(BVDD = min, IOH = –2 mA)

VOH

2.4

—

Low-level output voltage

(BVDD = min, IOL = 2 mA)

VOL

—0.4

Note:

1. The symbol VIN, in this case, represents the BVIN symbol referenced in Table 2 and Table 3.

Table 40. Local Bus DC Electrical Characteristics (2.5 V DC)

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

1.70

BVDD + 0.3

Low-level input voltage

VIL

–0.3

0.7

Input current

(VIN

1 = 0 V or V

IN = BVDD)

IIH

—10

μA

IIL

–15

High-level output voltage

(BVDD = min, IOH = –1 mA)

VOH

2.0

—

Low-level output voltage

(BVDD = min, IOL = 1 mA)

VOL

—0.4

Note:

1. The symbol VIN, in this case, represents the BVIN symbol referenced in Table 2 and Table 3.

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