1 This is an approximate value, neglecting PI/" />
參數(shù)資料
型號: MC68HC11F1CPU4
廠商: Freescale Semiconductor
文件頁數(shù): 42/158頁
文件大?。?/td> 0K
描述: IC MCU 512 EEPROM 4MHZ 80-LQFP
標準包裝: 90
系列: HC11
核心處理器: HC11
芯體尺寸: 8-位
速度: 4MHz
連通性: SCI,SPI
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 30
程序存儲器類型: ROMless
EEPROM 大?。?/td> 512 x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.75 V ~ 5.25 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-LQFP
包裝: 托盤
ELECTRICAL CHARACTERISTICS
MC68HC11F1
A-2
TECHNICAL DATA
NOTES:
1 This is an approximate value, neglecting PI/O.
2. For most applications PI/O PINT and can be neglected.
3. K is a constant pertaining to the device. Solve for K with a known TA and a measured PD (at equilibrium. Use
this value of K to solve for PD and TJ iteratively for any value of TA
Table A-2 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Average Junction Temperature
TJ
TA + (PD x QJA)
°C
Ambient Temperature
TA
User-determined
°C
Package Thermal Resistance (Junction-to-Ambient)
68-Pin Plastic Leaded Chip Carrier
80-Pin Low Profile Quad Flat Pack (LQFP, 1.4 mm Thick)
QJA
50
80
°C/W
Total Power Dissipation
(Note 1)
PD
PINT + PI/O
K / (TJ + 273°C)
W
Device Internal Power Dissipation
PINT
IDD x VDD
W
I/O Pin Power Dissipation
(Note 2)
PI/O
User-determined
W
A Constant
(Note 3)
K
PD x (TA + 273°C) +
QJA x PD
2
W x
°C
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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