參數(shù)資料
型號(hào)： MPC7450RX667LX
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 667 MHz, RISC PROCESSOR, CBGA483
封裝： 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-483
文件頁(yè)數(shù)： 3/60頁(yè)
文件大?。?/td> 1296K
代理商： MPC7450RX667LX
MPC7450 RISC Microprocessor Hardware Specifications
11
Electrical and Thermal Characteristics
Table 2. Absolute Maximum Ratings1
Characteristic
Symbol
Maximum Value
Unit
Note
Core supply voltage
VDD
–0.3 to 1.95
V
4
PLL supply voltage
AVDD
–0.3 to 1.95
V
4
Processor bus supply voltage
BVSEL = 0
OVDD
–0.3 to 1.95
V
3, 6
BVSEL = HRESET or OVDD
OVDD
–0.3 to 2.7
V
3, 7
L3 bus supply voltage
L3VSEL = HRESET
GVDD
–0.3 to 1.65
3, 8
L3VSEL = 0
GVDD
–0.3 to 1.95
V
3, 9
L3VSEL = HRESET or GVDD
GVDD
–0.3 to 2.7
V
3, 10
Input voltage
Processor bus
Vin
–0.3 to OVDD + 0.3
V
2, 5
L3 bus
Vin
–0.3 to GVDD + 0.3
V
2, 5
JTAG signals
Vin
–0.3 to OVDD + 0.3
V
Storage temperature range
Tstg
–55 to 150
°C
Notes:
1. Functional and tested operating conditions are given in Table 4. Absolute maximum ratings are stress ratings only,
and functional operation at the maximums is not guaranteed. Stresses beyond those listed may affect device
reliability or cause permanent damage to the device.
2. Caution: Vin must not exceed OVDD or GVDD by more than 0.3 V at any time including during power-on
reset.
3. Caution: OVDD/GVDD must not exceed VDD/AVDD by more than 2.0 V at any time including during power-on reset.
4. Caution: VDD/AVDD must not exceed OVDD/GVDD by more than 0.4 V at any time including during power-on reset.
5. Vin may overshoot/undershoot to a voltage and for a maximum duration as shown in Figure 2.
6. BVSEL must be set to 0, such that the bus is in 1.8 V mode.
7. BVSEL must be set to HRESET or 1, such that the bus is in 2.5 V mode.
8. L3VSEL must be set to HRESET (inverse of HRESET), such that the bus is in 1.5 V mode.
9. L3VSEL must be set to 0, such that the bus is in 1.8 V mode.
10. L3VSEL must be set to HRESET or 1, such that the bus is in 2.5 V mode.
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