S12ECT16B8CV2 datasheet(111/152 Pages) NXP

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MC9S12XDP512 Device User Guide — V01.12

A.1.4 Current Injection

Power supply must maintain regulation within operating VDD5 or VDD range during instantaneous and

operating maximum current conditions. If positive injection current (Vin >VDD5) is greater than IDD5, the

injection current may flow out of VDD5 and could result in external power supply going out of regulation.

Ensure external VDD5 load will shunt current greater than maximum injection current. This will be the

greatest risk when the MCU is not consuming power; e.g. if no system clock is present, or if clock rate is

very low which would reduce overall power consumption.

A.1.5 Absolute Maximum Ratings

Absolute maximum ratings are stress ratings only. A functional operation under or outside those maxima

is not guaranteed. Stress beyond those limits may affect the reliability or cause permanent damage of the

device.

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 (e.g., either VSS5 or VDD5).

Table A-1 Absolute Maximum Ratings1

NOTES:

1. Beyond absolute maximum ratings device might be damaged.

Num

Rating

Symbol

Min

Max

Unit

I/O, Regulator and Analog Supply Voltage

VDD5

-0.3

6.0

Digital Logic Supply Voltage 2

VDD

-0.3

3.0

PLL Supply Voltage 2

VDDPLL

-0.3

3.0

Voltage difference VDDX to VDDR and VDDA

∆

VDDX

-0.3

0.3

Voltage difference VSSX to VSSR and VSSA

∆

VSSX

-0.3

0.3

Digital I/O Input Voltage

VIN

-0.3

6.0

Analog Reference

VRH, VRL

-0.3

6.0

XFC, EXTAL, XTAL inputs

VILV

-0.3

3.0

TEST input

VTEST

-0.3

10.0

Instantaneous Maximum Current

Single pin limit for all digital I/O pins 3

-25

+25

Instantaneous Maximum Current

Single pin limit for XFC, EXTAL, XTAL4

-25

+25

Instantaneous Maximum Current

Single pin limit for TEST 5

-0.25

Storage Temperature Range

stg

– 65

155

°C

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

S12ECT16B8CV2 Datasheet(PDF) 111 Page - NXP Semiconductors

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