Freescale Semiconductor MC68HC908MR16 Chapter Electrical Specifications, Absolute Maximum Ratings

Chapter 19

Electrical Specifications

19.1 Introduction

This section contains electrical and timing specifications.

19.2 Absolute Maximum Ratings

Maximum ratings are the extreme limits to which the microcontroller unit (MCU) can be exposed without permanently damaging it.

NOTE

This device is not guaranteed to operate properly at the maximum ratings. For guaranteed operating conditions, refer to 19.5 DC Electrical Characteristics.

Characteristic(1)	Symbol	Value	Unit
Supply voltage	VDD	–0.3 to +6.0	V
Input voltage	VIn	VSS –0.3 to	V
		VDD +0.3
Input high voltage	VHI	VDD + 4 maximum	V
Maximum current per pin excluding VDD and VSS	I	±25	mA
Storage temperature	TSTG	–55 to +150	°C
Maximum current out of VSS	IMVSS	100	mA
Maximum current into VDD	IMVDD	100	mA
1. Voltages referenced to VSS.

NOTE

This device contains circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is advised that normal precautions be taken to avoid application of any voltage higher than maximum-rated voltages to this high-impedance circuit. For proper operation, it is recommended that VIn and VOut be constrained to the range

VSS ≤ (VIn or VOut) ≤ VDD. Reliability of operation is enhanced if unused inputs are connected to an appropriate logic voltage level (for example,

either VSS or VDD).

MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1

Freescale Semiconductor 265