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参数资料
| 型号： | MPC8255ZULHDX |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 250 MHz, RISC PROCESSOR, PBGA480 |
| 封装： | 37.50 X 37.50 MM, 1.55 MM HEIGHT, 1.27 MM PITCH, TBGA-480 |
| 文件页数： | 32/36页 |
| 文件大小： | 683K |
| 代理商： | MPC8255ZULHDX |
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MOTOROLA
MPC8255 Hardware Specifications
5
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Electrical and Thermal Characteristics
1.2
Electrical and Thermal Characteristics
This section provides AC and DC electrical specifications and thermal characteristics for the MPC8255.
1.2.1
DC Electrical Characteristics
This section describes the DC electrical characteristics for the MPC8255. Table 1 shows the maximum
electrical ratings.
Table 2 lists recommended operational voltage conditions.
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 – 2.12/ 1.9–2.13
2 For devices operating at less than 233 MHz CPU, 166 MHz CPM, and 66 MHz bus
frequencies.
3 For devices operating at greater than or equal to 233 MHz CPU, 166 MHz CPM, and
66 MHz bus frequencies.
V
PLL supply voltage
VCCSYN
V
I/O supply voltage
VDDH
3.135 – 3.465
V
Input voltage
VIN
GND (-0.3) – 3.465
V
Junction temperature (maximum)
Tj
1054
4 Note that for extended temperature parts the range is (-40)
TA
– 105Tj.
°C
Ambient temperature
TA
0–704
°C
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