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| 型號(hào)： | MPC8250AZUMHBC |
| 廠商： | MOTOROLA INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 266 MHz, RISC PROCESSOR, PBGA480 |
| 封裝： | 37 X 37 MM, 1.70 MM HEIGHT, 1.27 MM PITCH, TBGA-480 |
| 文件頁(yè)數(shù)： | 56/73頁(yè) |
| 文件大小： | 885K |
| 代理商： | MPC8250AZUMHBC |
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6
MPC8250 Hardware Specications
MOTOROLA
Electrical and Thermal Characteristics
Table 2 lists recommended operational voltage conditions.
NOTE: Core, PLL, and I/O Supply Voltages
VDDH, VCCSYN, and VDD must track each other and both must vary in
the same direction—in the positive direction (+5% and +0.1 Vdc) or in the
negative direction (-5% and -0.1 Vdc).
This device contains circuitry protecting against damage due to high static voltage or electrical elds;
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 (either GND or VCC).
Figure 2 shows the undershoot and overshoot voltage of the 60x and local bus memory interface of the
MPC8280. Note that in PCI mode the I/O interface is different.
Table 1. Absolute Maximum Ratings1
1 Absolute maximum ratings are stress ratings only; functional operation (see Table 2) at the maximums is not
guaranteed. Stress beyond those listed may affect device reliability or cause permanent damage.
Rating
Symbol
Value
Unit
Core supply voltage2
2 Caution: VDD/VCCSYN must not exceed VDDH by more than 0.4 V at any time, including during power-on
reset.
VDD
-0.3 – 2.5
V
PLL supply voltage2
VCCSYN
-0.3 – 2.5
V
I/O supply voltage3
3 Caution: VDDH can exceed VDD/VCCSYN by 3.3 V during power on reset by no more than 100 mSec. VDDH
should not exceed VDD/VCCSYN by more than 2.5 V during normal operation.
VDDH
-0.3 – 4.0
V
Input voltage4
4 Caution: VIN must not exceed VDDH by more than 2.5 V at any time, including during power-on reset.
VIN
GND(-0.3) – 3.6
V
Junction temperature
Tj
120
C
Storage temperature range
TSTG
(-55) – (+150)
C
Table 2. Recommended Operating Conditions1
1 Caution: These are the recommended and tested operating conditions. Proper device operating outside of these
conditions is not guaranteed.
Rating
Symbol
Value
Unit
Core supply voltage
VDD
1.7 – 1.92
2 CPU frequency less than or equal to 200 MHz.
1.7–2.13
3 CPU frequency greater than 200 MHz but less than 233 MHz.
1.9 –2.24
4 CPU frequency greater than or equal to 233 MHz.
V
PLL supply voltage
VCCSYN
1.7 – 1.92
1.7–2.13
1.9–2.24
V
I/O supply voltage
VDDH
3.135 – 3.465
V
Input voltage
VIN
GND (-0.3) – 3.465
V
Junction temperature (maximum)
Tj
1055
5 Note that for extended temperature parts the range is (-40)
TA
– 105Tj.
C
Ambient temperature
TA
C
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