參數(shù)資料
型號: MC68711E20VFNE2
廠商: Freescale Semiconductor
文件頁數(shù): 9/138頁
文件大小: 0K
描述: IC MCU 8BIT 52-PLCC
標(biāo)準(zhǔn)包裝: 23
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): 38
程序存儲器容量: 20KB(20K x 8)
程序存儲器類型: OTP
EEPROM 大?。?/td> 512 x 8
RAM 容量: 768 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 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 ~ 105°C
封裝/外殼: 52-LCC(J 形引線)
包裝: 管件
Electrical Characteristics
MC68HC711D3 Data Sheet, Rev. 2.1
106
Freescale Semiconductor
9.3 Functional Operating Temperature Range
9.4 Thermal Characteristics
Rating
Symbol
Value
Unit
Operating temperature range
MC68HC711D3
MC68HC711D3V
TA
TL to TH
–40 to +85
–40 to +105
°C
Characteristic
Symbol
Value
Unit
Average junction temperature
TJ
TA + (PD × ΘJA)
°C
Ambient temperature
TA
User-determined
°C
Package thermal resistance (junction-to-ambient)
40-pin plastic dual in-line package (DIP)
44-pin plastic leaded chip carrier (PLCC)
44-pin plastic quad flat pack (QFP)
ΘJA
50
85
°C/W
Total power dissipation(1)
1. This is an approximate value, neglecting PI/O.
PD
PINT + PI/O
K / TJ + 273°C
W
Device internal power dissipation
PINT
IDD × VDD
W
I/O pin power dissipation(2)
2. For most applications, PI/O ≤ PINT and can be neglected.
PI/O
User-determined
W
A constant(3)
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.
K
PD × (TA + 273°C)
+ ΘJA × PD2
W/
°C
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