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参数资料
型号： MC9S12K
厂商： 飞思卡尔半导体(中国)有限公司
英文描述： Microcontrollers
中文描述： 微控制器
文件页数： 111/126页
文件大小： 7307K
代理商： MC9S12K
Device User Guide — 9S12KT256DGV1/D V01.09
85
Freescale Semiconductor
Insure external VDD5 load will shunt current greater than maximum injection current. This will be the
greatest risk when the MCU is not consuming power; e.g. if no system clock is present, or if clock rate is
very low which would reduce overall power consumption.
A.1.5 Absolute Maximum Ratings
Absolute maximum ratings are stress ratings only. A functional operation under or outside those maxima
is not guaranteed. Stress beyond those limits may affect the reliability or cause permanent damage of the
device.
This device contains circuitry protecting against damage due to high static voltage 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. Reliability of operation is enhanced if unused
inputs are tied to an appropriate logic voltage level (e.g., either VSS5 or VDD5).
Table A-1 Absolute Maximum Ratings
Num
Rating
Symbol
Min
Max
Unit
1
I/O, Regulator and Analog Supply Voltage
VDD5
-0.3
6.5
V
2
Internal Logic Supply Voltage1
NOTES:
1. The device contains an internal voltage regulator to generate the logic and PLL supply out of the I/O supply.
The absolute maximum ratings apply when the device is powered from an external source.
VDD
-0.3
3.0
V
3
PLL Supply Voltage (1)
VDDPLL
-0.3
3.0
V
4
Voltage difference VDDX to VDDR and VDDA
VDDX
-0.3
0.3
V
5
Voltage difference VSSX to VSSR and VSSA
VSSX
-0.3
0.3
V
6
Digital I/O Input Voltage
VIN
-0.3
6.5
V
7
Analog Reference
VRH, VRL
-0.3
6.5
V
8
XFC, EXTAL, XTAL inputs
VILV
-0.3
3.0
V
9
TEST input
VTEST
-0.3
10.0
V
10
Instantaneous Maximum Current
Single pin limit for all digital I/O pins 2
2. All digital I/O pins are internally clamped to VSSX and VDDX, VSSR and VDDR or VSSA and VDDA.
I
D
-25
+25
mA
11
Instantaneous Maximum Current
Single pin limit for XFC, EXTAL, XTAL3
3. These pins are internally clamped to VSSPLL and VDDPLL
I
DL
-25
+25
mA
12
Instantaneous Maximum Current
Single pin limit for TEST4
4. This pin is clamped low to VSSR, but not clamped high. This pin must be tied low in applications.
I
DT
-0.25
0
mA
13
Operating Temperature Range (packaged)
T
A
– 40
125
°C
14
Operating Temperature Range (junction)
TJ
– 40
140
°C
15
Storage Temperature Range
T
stg
– 65
155
°C
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