MC68340PV16VE Freescale Semiconductor, MC68340PV16VE Datasheet - Page 402
MC68340PV16VE
Manufacturer Part Number
MC68340PV16VE
Description
IC MCU 32BIT 16MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340PV16VE
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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MC68340PV16VE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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11.3 POWER CONSIDERATIONS
The average chip-junction temperature, T J , in C can be obtained from:
where:
For most applications, P I/O < P INT and can be neglected.
An approximate relationship between P D and T J (if P I/O is neglected) is:
Solving Equations (1) and (2) for K gives:
where K is a constant pertaining to the particular part. K can be determined from equation
(3) by measuring P D (at thermal equilibrium) for a known T A . Using this value of K, the
values of P D and T J can be obtained by solving Equations (1) and (2) iteratively for any
value of T A .
11.4 AC ELECTRICAL SPECIFICATION DEFINITIONS
The AC specifications presented consist of output delays, input setup and hold times, and
signal skew times. All signals are specified relative to an appropriate edge of the clock and
possibly to one or more other signals.
The measurement of the AC specifications is defined by the waveforms shown in Figure
11-1. To test the parameters guaranteed by Motorola, inputs must be driven to the voltage
levels specified in the figure. Outputs are specified with minimum and/or maximum limits,
as appropriate, and are measured as shown. Inputs are specified with minimum setup and
hold times and are measured as shown. Finally, the measurement for signal-to-signal
specifications are shown.
Note that the testing levels used to verify conformance to the AC specifications do not
affect the guaranteed DC operation of the device as specified in the DC electrical
characteristics.
11-2
T A
P D
P INT
P I/O
JA
= Ambient Temperature, C
= Package Thermal Resistance, Junction-to-Ambient, C/W
= P INT + P I/O
= I CC x V CC , Watts—Chip Internal Power
= Power Dissipation on Input and Output Pins—User Determined
Freescale Semiconductor, Inc.
For More Information On This Product,
K = P D • (T A + 273 C) + JA • P D
T J = T A + (P D • JA )
MC68340 USER’S MANUAL
P D = K
Go to: www.freescale.com
(T J + 273 C)
(1)
2
MOTOROLA
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