參數(shù)資料
型號： MC7457VG1000NC
廠商： Freescale Semiconductor
文件頁數(shù)： 7/71頁
文件大?。?/td> 0K
描述： IC MPU RISC 1000MHZ 483FCCBGA
標(biāo)準(zhǔn)包裝： 36
系列： MPC74xx
處理器類型： 32-位 MPC74xx PowerPC
速度： 1.0GHz
電壓： 1.1V
安裝類型： 表面貼裝
封裝/外殼： 483-BCBGA，F(xiàn)CCBGA
供應(yīng)商設(shè)備封裝： 483-FCCBGA（29x29）
包裝： 托盤
Electrical and Thermal Characteristics
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 8
Freescale Semiconductor
15
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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