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MOTOROLA M68040 USER’S MANUAL 11-1
This device contains protective
circuitry against damage due to high
static voltages 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. Reliablity of
operation is enhanced if unused
inputs are tied to an appropriate
logic voltage level (e.g., either GND
or V CC ).
SECTION 11
MC68040 ELECTRICAL AND
THERMAL CHARACTERISTICS
The following paragraphs provide information on the maximum rating and thermal
characteristics for the MC68040. This section is subject to change. For the most recent
specifications, contact a Motorola sales office or complete the registration card at the end
of this manual.
11.1 MAXIMUM RATINGS
Characteristic Symbol Value Unit
Supply Voltage VCC –0.3 to +7.0 V
Input Voltage Vin –0.5 to +7.0 V
Maximum Operating Junction Temperature TJ110 °C
Minimum Operating Ambient Temperature TA0°C
Storage Temperature Range Tstg –55 to 150 °C
11.2 THERMAL CHARACTERISTICS
Characteristic Symbol Value Rating
Thermal Resistance, Junction to Case—
PGA Package
θJC 3°C/W
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