參數(shù)資料
型號： MC68HC705X4DW
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： HCMOS Microcontroller Unit
中文描述： 8-BIT, OTPROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝： SOIC-28
文件頁數(shù)： 126/156頁
文件大小： 926K
代理商： MC68HC705X4DW
Electrical Characteristics
MC68HC05X4 Rev 1.0
126
Electrical Characteristics
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Maximum ratings
1. All voltages are with respect to V
SS
.
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 V
SS
or V
DD
.
Thermal characteristics and power considerations
The average chip junction temperature, T
J
, in degrees Celsius can be
obtained from the following equation:
Figure 1. Maximum ratings
Rating
Symbol
V
DD
Value
Unit
V
Supply voltage
(1)
Input Voltage:
(Ports, OSC1, RESET, RX0/1)
Input Voltage:
(MDS/TCAP – MC68HC05X4)
Input Voltage:
(VPP – MC68HC705X4)
Operating temperature range
(standard plastic package)
Storage temperature range
Current drain per pin
(2)
–
excluding VDD and VSS
– 0.3 to +7.0
V
IN
V
SS
– 0.3 to V
DD
+ 0.3
V
V
IN
V
SS
– 0.3 to
2V
DD
+ 0.3
V
V
PP
V
SS
– 0.3 to 16
V
T
A
T
L
to T
H
–40 to +125
– 65 to +150
°
C
T
STG
°
C
I
D
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
F
Freescale Semiconductor, Inc.
n
.
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