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參數(shù)資料
| 型號： | MC7457VG733NC |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 733 MHz, RISC PROCESSOR, CBGA483 |
| 封裝： | 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, ROHS COMPLIANT, CERAMIC, BGA-483 |
| 文件頁數(shù)： | 6/73頁 |
| 文件大?。?/td> | 1715K |
| 代理商： | MC7457VG733NC |
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MPC7457 RISC Microprocessor Hardware Specifications, Rev. 7
14
Freescale Semiconductor
Electrical and Thermal Characteristics
Table 6 provides the DC electrical characteristics for the MPC7457.
Coefficient of thermal expansion
6.8
ppm/°C
Notes:
1. Refer to Section 9.8, “Thermal Management Information,” for more details about thermal management.
2. Junction temperature is a function of on-chip power dissipation, package thermal resistance, mounting site (board)
temperature, ambient temperature, airflow, power dissipation of other components on the board, and board thermal
resistance.
3. Per SEMI G38-87 and JEDEC JESD51-2 with the single-layer board horizontal.
4. Per JEDEC JESD51-6 with the board horizontal.
5. Thermal resistance between the die and the printed-circuit board per JEDEC JESD51-8. Board temperature is measured on
the top surface of the board near the package.
6. Thermal resistance between the die and the case top surface as measured by the cold plate method (MIL SPEC-883 Method
1012.1) with the calculated case temperature. The actual value of RθJC for the part is less than 0.1°C/W.
Table 6. DC Electrical Specifications
At recommended operating conditions. See Table 4.
Characteristic
Nominal
Bus
Voltage 1
Symbol
Min
Max
Unit
Notes
Input high voltage
(all inputs including SYSCLK)
1.5
VIH
GVDD × 0.65
GVDD + 0.3
V
2
1.8
OVDD/GVDD × 0.65
OVDD/GVDD + 0.3
V
2.5
1.7
OVDD/GVDD + 0.3
V
Input low voltage
(all inputs including SYSCLK)
1.5
VIL
–0.3
GVDD × 0.35
V
2, 6
1.8
–0.3
OVDD/GVDD × 0.35
V
2.5
–0.3
0.7
V
Input leakage current, Vin = GVDD/OVDD
—Iin
—30
A
2, 3
High-impedance (off-state) leakage
current, Vin = GVDD/OVDD
—ITSI
—
30
A
2, 3, 4
Output high voltage, IOH = –5 mA
1.5
VOH
OVDD/GVDD – 0.45
—
V
6
1.8
OVDD/GVDD – 0.45
—
V
2.5
1.8
—
V
Output low voltage, IOL = 5 mA
1.5
VOL
—0.45
V
6
1.8
—
0.45
V
2.5
—
0.6
V
Table 5. Package Thermal Characteristics 1
(continued)
Characteristic
Symbol
Value
Unit
Notes
MPC7447
MPC7457
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