MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 402
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MC68340AG25E
Manufacturer Part Number
MC68340AG25E
Description
IC MPU 32BIT 25MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340AG25E
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
144-LQFP
Controller Family/series
68K
Core Size
32 Bit
No. Of I/o's
16
Cpu Speed
25MHz
No. Of Timers
2
Embedded Interface Type
UART
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Processor Series
M683xx
Core
CPU32
Maximum Clock Frequency
25 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68340AG25E
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MC68340AG25E
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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