參數(shù)資料
型號: MC68HC05X4CDWR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 31/168頁
文件大?。?/td> 656K
代理商: MC68HC05X4CDWR2
Electrical Characteristics
MC68HC05X4 Rev 1.0
126
Electrical Characteristics
MOTOROLA
Maximum ratings
1. All voltages are with respect to VSS.
2. Maximum current drain per pin is for one pin at a time, limited by an external resistor.
NOTE:
This device contains circuitry designed to protect against damage due to
high electrostatic voltages or electric fields. However, it is recommended
that normal precautions be taken to avoid the application of any voltages
higher than those given in the Maximum Ratings table to this high
impedance circuit. For maximum reliability all unused inputs should be
tied to either VSS or VDD.
Thermal characteristics and power considerations
The average chip junction temperature, TJ, in degrees Celsius can be
obtained from the following equation:
Figure 1. Maximum ratings
Rating
Symbol
Value
Unit
Supply voltage(1)
VDD
– 0.3 to +7.0
V
Input Voltage:
(Ports, OSC1, RESET, RX0/1)
VIN
VSS – 0.3 to VDD + 0.3
V
Input Voltage:
(MDS/TCAP – MC68HC05X4)
VIN
VSS – 0.3 to
2VDD + 0.3
V
Input Voltage:
(VPP – MC68HC705X4)
VPP
VSS – 0.3 to 16
V
Operating temperature range
(standard plastic package)
TA
TL to TH
–40 to +125
°C
Storage temperature range
TSTG
– 65 to +150
°C
Current drain per pin (2)
excluding VDD and VSS
ID
28
mA
Table 1. Package thermal characteristics
Characteristics
Symbol Value
Unit
Thermal resistance:
– Plastic 28-pin SOIC package
θ
JA
60
°C/W
2-elec
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