參數(shù)資料
型號: DSPB56374AFC
廠商: Freescale Semiconductor
文件頁數(shù): 19/64頁
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 80-LQFP
標準包裝: 90
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機接口,I²C,SAI,SPI
時鐘速率: 150MHz
非易失內(nèi)存: ROM(84 kB)
芯片上RAM: 54kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.25V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
DSP56374 Data Sheet, Rev. 4.2
Power Requirements
Freescale Semiconductor
26
NOTE
In the calculation of timing requirements, adding a maximum value of one
specification to a minimum value of another specification does not yield a
reasonable sum. A maximum specification is calculated using a worst case variation
of process parameter values in one direction. The minimum specification is
calculated using the worst case for the same parameters in the opposite direction.
Therefore, a “maximum” value for a specification will never occur in the same
device that has a “minimum” value for another specification; adding a maximum to
a minimum represents a condition that can never exist.
6
Power Requirements
To prevent high current conditions due to possible improper sequencing of the power supplies, the
connection shown below is recommended to be made between the DSP56374 IO_VDD and Core_VDD
power pins.
Table 15. Maximum Ratings
Rating1
Symbol
Value1, 2
Unit
Supply Voltage
VCORE_VDD,
VPLLD_VDD
0.3 to + 1.6
V
VPLLP_VDD,
VIO_VDD,
VPLLA_VDD,
0.3 to + 4.0
V
Maximum CORE_VDD power supply ramp time4
Tr
10
ms
All “5.0V tolerant” input voltages
VIN
GND
0.3 to 6V
V
Current drain per pin excluding VDD and GND(Except
for pads listed below)
I12
mA
SCK_SCL
ISCK
16
mA
TDO
IJTAG
24
ma
Operating temperature range3
TJ
80 LQFP = 105
52 LQFP = 110
°C
Storage temperature
TSTG
55 to +125
°C
ESD protected voltage (Human Body Model)
2000
V
ESD protected voltage (Machine Model)
200
V
Note:
1 GND = 0 V, T
J = -40°C to 110°C (52 LQFP) / -40°C to 105°C (80 LQFP), CL = 50pF
2 Absolute maximum ratings are stress ratings only, and functional operation at the maximum is not guaranteed.
Stress beyond the maximum rating may affect device reliability or cause permanent damage to the device.
3 Operating temperature qualified for automotive applications. T
J = TA + θJA x Power. Variables used were
Core Current = 100 mA, I/O Current = 60 mA, Core Voltage = 1.3 V, I/O Voltage = 3.46 V, TA = 85°C
4 If the power supply ramp to full supply time is longer than 10 ms, the POR circuitry will not operate correctly,
causing erroneous operation.
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