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參數(shù)資料
| 型號： | DSP56321 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 24-Bit Digital Signal Processor |
| 中文描述： | 24位數(shù)字信號處理器 |
| 文件頁數(shù)： | 21/84頁 |
| 文件大?。?/td> | 898K |
| 代理商： | DSP56321 |
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DSP56321 Technical Data, Rev. 11
Freescale Semiconductor
2-1
Specifications
2
The DSP56321 is fabricated in high-density CMOS with Transistor-Transistor Logic (TTL) compatible inputs and
outputs.
2.1 Maximum Ratings
In the calculation of timing requirements, adding a maximum value of one specification to a minimum value of
another specification does not yield a reasonable sum. A maximum specification is calculated using a worst case
variation of process parameter values in one direction. The minimum specification is calculated using the worst
case for the same parameters in the opposite direction. Therefore, a “maximum” value for a specification never
occurs in the same device that has a “minimum” value for another specification; adding a maximum to a minimum
represents a condition that can never exist.
CAUTION
This device contains circuitry protecting
against damage due to high static voltage or
electrical fields; however, normal precautions
should be taken to avoid exceeding maximum
voltage ratings. Reliability is enhanced if
unused inputs are tied to an appropriate logic
voltage level (for example, either GND or V
CC
).
Table 2-1.
Absolute Maximum Ratings
Rating
1
Symbol
Value
1, 2
Unit
Supply Voltage
3
Input/Output Supply Voltage
3
V
CCQL
V
CCQH
V
IN
I
–0.1 to 2.25
V
–0.3 to 4.35
V
All input voltages
GND – 0.3 to V
CCQH
+ 0.3
10
V
Current drain per pin excluding V
CC
and GND
Operating temperature range
mA
T
J
–40 to +100
°C
Storage temperature
T
STG
–55 to +150
°C
Notes:
1.
2.
GND = 0 V, V
CCQL
= 1.6 V ± 0.1 V, V
CCQH
= 3.3 V ± 0.3 V, T
J
= –40°C to +100°C, CL = 50 pF
Absolute maximum ratings are stress ratings only, and functional operation at the maximum is not guaranteed. Stress beyond
the maximum rating may affect device reliability or cause permanent damage to the device.
Power-up sequence: During power-up, and throughout the DSP56321 operation, V
CCQH
voltage must always be higher or
equal to V
CCQL
voltage.
3.
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