參數(shù)資料
型號： MC68HC916X1
廠商： Motorola, Inc.
英文描述： 16-Bit Modular Microcontroller(16位模塊化微控制器)
中文描述： 16位微控制器模塊（16位模塊化微控制器）
文件頁數(shù)： 141/172頁
文件大?。?/td> 1035K
代理商： MC68HC916X1
MC68HC916X1
MC68HC916X1TS/D
MOTOROLA
141
Table 74 Typical Ratings
Num
1
2
Rating
Symbol
V
DD
T
A
Value
5.0
25
Unit
V
°
C
Supply Voltage
Operating Temperature
V
DD
Supply Current
RUN
LPSTOP, VCO Off
LPSTOP, External clock, max f
sys
Clock Synthesizer Operating Voltage
V
DDSYN
Supply Current
VCO on, maximum f
sys
External Clock, maximum f
sys
LPSTOP, VCO off
V
DD
powered down
RAM Standby Voltage
RAM Standby Current
Normal RAM operation
Standby operation
Power Dissipation
3
I
DD
116
500
3
mA
μ
A
μ
A
4
V
DDSYN
5.0
V
5
I
DDSYN
1.0
4.0
125
60
mA
mA
μ
A
μ
A
6
V
SB
3.0
V
7
I
SB
7.0
40.0
600
μ
A
μ
A
mW
8
P
D
Table 75 Thermal Characteristics
Num
1
Characteristic
Symbol
Value
Unit
Thermal Resistance
Plastic 120-Pin Surface Mount
The average chip-junction temperature (T
J
) in C can be obtained from:
TJ
Θ
JA
61.2
°
C/W
(1)
where:
T
A
Θ
JA
P
D
P
INT
P
I/O
= Ambient Temperature,
°
C
= Package Thermal Resistance, Junction-to-Ambient,
°
C/W
= P
INT
+
P
I/O
= I
DD
×
V
DD
, Watts — Chip Internal Power
= Power Dissipation on Input and Output Pins — User Determined
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:
PD
(2)
Solving equations 1 and 2 for K gives:
K
PD
(3)
where K is a constant pertaining to the particular part. K can be determined from equation (3)
by measuring P
D
(at 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
.
TA
PD
Θ
JA
×
(
)
+
=
K
TJ
273
°
C
+
(
)
÷
=
TA
273
°
C
+
(
)
Θ
JA
P
D2
×
+
+
=
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