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| 型号： | MSC8144ADS |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 26/80页 |
| 文件大小： | 0K |
| 描述： | ADS FOR MSC8144 DEVICE |
| 标准包装： | 1 |
| 类型： | DSP |
| 适用于相关产品： | MSC8144 |
| 所含物品： | AMC 卡、电源、缆线、USB TAP、硬件和说明文档 |
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Electrical Characteristics
2
Electrical Characteristics
This document contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing
specifications. For additional information, see the MSC8144 Reference Manual .
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 DD ).
In calculating 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 with a “minimum” value for another
specification; adding a maximum to a minimum represents a condition that can never exist.
Table 2 describes the maximum electrical ratings for the MSC8144.
Table 2. Absolute Maximum Ratings
Core supply voltage
Rating
Symbol
V dd
Value
–0.3 to 1.1
Unit
V
PLL supply voltage
3
V DDPLL0
–0.3 to 1.1
V
V DDPLL1
V DDPLL2
M3 memory Internal voltage
DDR memory supply voltage
? DDR mode
? DDR2 mode
DDR reference voltage
Input DDR voltage
Ethernet 1 I/O voltage
Input Ethernet 1 I/O voltage
Ethernet 2 I/O voltage
Input Ethernet 2I/O voltage
I/O voltage excluding Ethernet, DDR, M3, and RapidIO lines
Input I/O voltage
V DDM3
V DDDDR
MV REF
V INDDR
V DDGE1
V INGE1
V DDGE2
V INGE2
V DDIO
V INIO
–0.3 to 1.32
–0.3 to 2.75
–0.3 to 1.98
–0.3 to 0.51 × V DDDDR
–0.3 to V DDDDR + 0.3
–0.3 to 3.465
–0.3 to V DDGE1 + 0.3
–0.3 to 3.465
–0.3 to V DDGE2 + 0.3
–0.3 to 3.465
–0.3 to V DDIO + 0.3
V
V
V
V
V
V
V
V
V
V
V
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
26
Freescale Semiconductor
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