MCF51JM32VLD 查看數據表（PDF） - Freescale Semiconductor

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MCF51JM32VLD

ColdFire Microcontroller

Freescale Semiconductor 

Preliminary Electrical Characteristics

2 Preliminary Electrical Characteristics

This section contains electrical specification tables and reference timing diagrams for the MCF51JM128 microcontroller,

including detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications.

The electrical specifications are preliminary and are from previous designs or design simulations. These specifications may not

be fully tested or guaranteed at this early stage of the product life cycle. These specifications will, however, be met for

production silicon. Finalized specifications will be published after complete characterization and device qualifications have

been completed.

NOTE

The parameters specified in this data sheet supersede any values found in the module

specifications.

2.1 Parameter Classification

The electrical parameters shown in this supplement are guaranteed by various methods. To give the customer a better

understanding the following classification is used and the parameters are tagged accordingly in the tables where appropriate:

Table 5. Parameter Classifications

P Those parameters are guaranteed during production testing on each individual device.

C Those parameters are achieved by the design characterization by measuring a

statistically relevant sample size across process variations.

Those parameters are achieved by design characterization on a small sample size from

T typical devices under typical conditions unless otherwise noted. All values shown in the

typical column are within this category.

D Those parameters are derived mainly from simulations.

NOTE

The classification is shown in the column labeled C in the parameter tables where

appropriate.

2.2 Absolute Maximum Ratings

Absolute maximum ratings are stress ratings only, and functional operation at the maxima is not guaranteed. Stress beyond the

limits specified in Table 6 may affect device reliability or cause permanent damage to the device. For functional operating

conditions, refer to the remaining tables in this section.

This device contains circuitry protecting against damage due to high static voltage or electrical fields; however, it is advised

that normal precautions be taken to avoid application of any voltages higher than maximum-rated voltages to this

high-impedance circuit. Reliability of operation is enhanced if unused inputs are tied to an appropriate logic voltage level (for

instance, VSS or VDD).

MCF51JM128 ColdFire Microcontroller, Rev. 3

Freescale Semiconductor

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