參數(shù)資料
型號: PC9S08QE64CLH
廠商: Freescale Semiconductor
文件頁數(shù): 5/50頁
文件大小: 0K
描述: MCU 8BIT 64K FLASH 64-LQFP
標準包裝: 160
系列: S08
核心處理器: S08
芯體尺寸: 8-位
速度: 50MHz
連通性: I²C,LIN,SCI,SPI
外圍設(shè)備: LVD,PWM,WDT
輸入/輸出數(shù): 54
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 22x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-LQFP
包裝: 托盤
Electrical Characteristics
MC9S08QE128 Series Data Sheet, Rev. 7
Freescale Semiconductor
13
3.4
Thermal Characteristics
This section provides information about operating temperature range, power dissipation, and package thermal resistance. Power
dissipation on I/O pins is usually small compared to the power dissipation in on-chip logic and voltage regulator circuits, and
it is user-determined rather than being controlled by the MCU design. To take PI/O into account in power calculations, determine
the difference between actual pin voltage and VSS or VDD and multiply by the pin current for each I/O pin. Except in cases of
unusually high pin current (heavy loads), the difference between pin voltage and VSS or VDD will be very small.
The average chip-junction temperature (TJ) in °C can be obtained from:
TJ = TA + (PD × θJA)
Eqn. 1
where:
TA = Ambient temperature, °C
θJA = Package thermal resistance, junction-to-ambient, °C/W
PD = Pint + PI/O
Pint = IDD × VDD, Watts — chip internal power
PI/O = Power dissipation on input and output pins — user determined
3 Power supply must maintain regulation within operating VDD range during instantaneous and
operating maximum current conditions. If positive injection current (VIn > VDD) is greater than
IDD, the injection current may flow out of VDD and could result in external power supply going
out of regulation. Ensure external VDD load will shunt current greater than maximum injection
current. This will be the greatest risk when the MCU is not consuming power. Examples are: if
no system clock is present, or if the clock rate is very low (which would reduce overall power
consumption).
Table 5. Thermal Characteristics
Rating
Symbol
Value
Unit
Operating temperature range (packaged)
TA
–40 to 85
°C
Maximum junction temperature
TJM
95
°C
Thermal resistance
Single-layer board
32-pin LQFP
θJA
82
°C/W
44-pin LQFP
68
48-pin QFN
81
64-pin LQFP
θJA
69
°C/W
80-pin LQFP
60
Thermal resistance
Four-layer board
32-pin LQFP
θJA
54
°C/W
44-pin LQFP
46
48-pin QFN
26
64-pin LQFP
θJA
50
°C/W
80-pin LQFP
47
相關(guān)PDF資料
PDF描述
PCA8574N,112 IC I/O EXPANDER I2C 8B 16DIP
PCA8575BS,118 IC I/O EXPANDER I2C 16B 24HVQFN
PCA8575DB,112 IC I/O EXPANDER I2C 16B 24SSOP
PCA9500D,118 IC I/O EXPANDER I2C 8B 16SOIC
PCA9501D,112 IC I/O EXPANDER I2C 8B 20SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PC9S08QG4CPAE 制造商:Freescale Semiconductor 功能描述:
PC9S08QG8CDNE 制造商:Freescale Semiconductor 功能描述:
PC9S08QG8CPBE 制造商:Freescale Semiconductor 功能描述:
PC9S08RN16W0MTJ 制造商:Freescale Semiconductor 功能描述:
PC9S08RN60W0MLFH 制造商:Freescale Semiconductor 功能描述: