参数资料
型号: DSPB56374AFC
厂商: Freescale Semiconductor
文件页数: 21/64页
文件大小: 0K
描述: IC DSP 24BIT 150MHZ 80-LQFP
标准包装: 90
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 150MHz
非易失内存: ROM(84 kB)
芯片上RAM: 54kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.25V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
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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