參數(shù)資料
型號(hào): DSPB56374AFC
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 21/64頁(yè)
文件大小: 0K
描述: IC DSP 24BIT 150MHZ 80-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時(shí)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(pán)
DSP56374 Data Sheet, Rev. 4.2
DC Electrical Characteristics
Freescale Semiconductor
28
8
DC Electrical Characteristics
Table 17. DC Electrical Characteristics
Characteristics
Symbol
Min
Typ
Max
Unit
Supply voltages
Core (Core_VDD)
PLL (PLLD_VDD)
VDD
1.2
1.25
1.3
V
Supply voltages
I/O (IO_VDD)
PLL (PLLP_VDD)
PLL (PLLA_VDD)
VDDIO
3.14
3.3
3.46
V
Input high voltage
All pins
VIH
2.0
VIO_VDD+2V
V
Note: All 3.3-V supplies must rise prior to the rise of the 1.25-V supplies to avoid a high current condition and possible
system damage.
Input low voltage
All pins
VIL
–0.3
0.8
V
Input leakage current
IIN
——
± 84
A
Clock pin Input Capacitance (EXTAL)
CIN
4.7
pF
High impedance (off-state) input current (@ 3.46V)
ITSI
–10
84
A
Output high voltage
IOH = -5 mA
XTAL Pin IOH = -10mA
VOH
2.4
V
Output low voltage
IOL = 5 mA
XTAL Pin IOL = 10 mA
VOL
——
0.4
V
Internal supply current1 (core only) at internal clock of
150 MHz
In Normal mode
ICCI
65
100
mA
In Wait mode
ICCW
—16
mA
In Stop mode2
ICCS
—1.2
mA
Input capacitance
CIN
10
pF
Note:
1 The Current Consumption section provides a formula to compute the estimated current requirements in Normal
mode. In order to obtain these results, all inputs must be terminated (i.e., not allowed to float). Measurements are
based on synthetic intensive DSP benchmarks. The power consumption numbers in this specification are 90% of
the measured results of this benchmark. This reflects typical DSP applications. Typical internal supply current is
measured with VCORE_VDD = 1.25V, VDD_IO = 3.3V at TJ = 25°C. Maximum internal supply current is measured
with VCORE_VDD = 1.30V, VIO_VDD) = 3.46V at TJ = 115°C.
2 In order to obtain these results, all inputs, which are not disconnected at Stop mode, must be terminated (i.e., not
allowed to float).
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