參數(shù)資料
型號: MPC7457EC
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: RISC Microprocessor Hardware Specifications
中文描述: RISC微處理器硬件規(guī)格
文件頁數(shù): 14/68頁
文件大小: 1755K
代理商: MPC7457EC
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 5
14
Freescale Semiconductor
Electrical and Thermal Characteristics
Table 7
provides the power consumption for the MPC7457.
Output high voltage, I
OH
= –5 mA
1.5
V
OH
OV
DD
/GV
DD
– 0.45
V
6
1.8
OV
DD
/GV
DD
– 0.45
V
2.5
1.8
V
Output low voltage, I
OL
= 5 mA
1.5
V
OL
0.45
V
6
1.8
0.45
V
2.5
0.6
V
Capacitance,
V
in
= 0 V, f = 1 MHz
L3 interface
C
in
9.5
pF
5
All other inputs
8.0
Notes
:
1. Nominal voltages; see
Table 4
for recommended operating conditions.
2. For processor bus signals, the reference is OV
DD
while GV
DD
is the reference for the L3 bus signals.
3. Excludes test signals and IEEE 1149.1 boundary scan (JTAG) signals.
4. The leakage is measured for nominal OV
DD
/GV
DD
and V
DD
, or both OV
DD
/GV
DD
and V
DD
must vary in the same direction
(for example, both OV
DD
and V
DD
vary by either +5% or –5%).
5. Capacitance is periodically sampled rather than 100% tested.
6. Applicable to L3 bus interface only.
Table 7. Power Consumption for MPC7457
Processor (CPU) Frequency
Unit
Notes
867 MHz
1000 MHz
1200 MHz
1267 MHz
Full-Power Mode
Typical
14.8
15.8
17.5
18.3
W
1, 2
Maximum
21.0
22.0
24.2
25.6
W
1, 3
Nap Mode
Typical
5.2
5.2
5.2
5.2
W
1, 2
Sleep Mode
Typical
5.1
5.1
5.1
5.1
W
1, 2
Table 6. DC Electrical Specifications (continued)
At recommended operating conditions. See
Table 4
.
Characteristic
Nominal
Bus
Voltage
1
Symbol
Min
Max
Unit
Notes
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