Table 4-3 The" />
參數(shù)資料
型號(hào): DSP56857BUE
廠商: Freescale Semiconductor
文件頁數(shù): 16/53頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 120MHZ 100-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: 568xx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 120MHz
連通性: SCI,SPI,SSI
外圍設(shè)備: DMA,POR,WDT
輸入/輸出數(shù): 47
程序存儲(chǔ)器容量: 80KB(40K x 16)
程序存儲(chǔ)器類型: SRAM
RAM 容量: 24K x 16
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 1.98 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
DC Electrical Characteristics
56857 Technical Data, Rev. 6
Freescale Semiconductor
23
4.2 DC Electrical Characteristics
Table 4-3 Thermal Characteristics1
1. See Section 6.1 for more detail.
Characteristic
100-pin LQFP
Symbol
Value
Unit
Thermal resistance junction-to-ambient
(estimated)
θJA
41.2
°C/W
I/O pin power dissipation
PI/O
User Determined
W
Power dissipation
PD
PD = (IDD × VDD) + PI/O
W
Maximum allowed PD
PDMAX
(TJ – TA) / RθJA 2
2. TJ = Junction Temperature
TA = Ambient Temperature
W
Table 4-4 DC Electrical Characteristics
Operating Conditions: VSS = VSSIO = VSSA = 0 V, VDD = 1.62-1.98V, VDDIO = VDDA = 3.0–3.6V, TA = –40° to +120°C, CL ≤ 50pF, fop = 120MHz
Characteristic
Symbol
Min
Typ
Max
Unit
Input high voltage (XTAL/EXTAL)
VIHC
VDDA – 0.8
VDDA
VDDA + 0.3
V
Input low voltage (XTAL/EXTAL)
VILC
-0.3
0.5
V
Input high voltage
VIH
2.0
5.5
V
Input low voltage
VIL
-0.3
0.8
V
Input current low (pullups disabled)
IIL
-1
1
μA
Input current high (pullups disabled)
IIH
-1
1
μA
Output tri-state current low
IOZL
-10
10
μA
Output tri-state current high
IOZH
-10
10
μA
Output High Voltage
VOH
VDDIO – 0.7
V
Output Low Voltage
VOL
——
0.4
V
Output High Current
IOH
8—
16
mA
Output Low Current
IOL
8—
16
mA
Input capacitance
CIN
—8
pF
Output capacitance
COUT
—12
pF
VDD supply current (Core logic, memories, peripherals)
Run 1
Deep Stop2
Light Stop3
IDD4
70
0.05
5
110
10
14
mA
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