參數(shù)資料
型號: HT49C10
廠商: Holtek Semiconductor Inc.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 6/47頁
文件大?。?/td> 329K
代理商: HT49C10
Absolute Maximum Ratings
Supply Voltage.............................. 0.3V to 5.5V
Storage Temperature................. 50 C to 125 C
Input Voltage.................V
SS
0.3V to V
DD
+0.3V
Operating Temperature .............. 25 C to 70 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maxi-
mumRatings maycausesubstantialdamagetothedevice.Functionaloperationofthisdevice
at other conditions beyond those listed in the specification is not implied and prolonged expo-
sure to extreme conditions may affect device reliability.
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
2.2
5.2
V
I
DD1
Operating Current
(Crystal OSC)
3V
No load,
f
SYS
=4MHz
0.7
1.5
mA
5V
2
3
mA
I
DD2
Operating Current
(RC OSC)
3V
No load,
f
SYS
=2MHz
0.5
1
mA
5V
1
2
mA
I
STB1
Standby Current
(RTC Enable, LCD On)
3V
No load,
system Halt
5
A
5V
10
A
I
STB2
Standby Current
(RTC Disable, LCD Off)
3V
No load,
system Halt
1
A
5V
2
A
V
IL
InputLowVoltageforI/OPorts
3V
0
0.9
V
5V
0
1.5
V
V
IH
Input High Voltage for I/O
Ports
3V
2.1
3
V
5V
3.5
5
V
V
IL1
Input Low Voltage
(RES, INT0, INT1, TMR)
3V
RES=0.5V
DD
INT0/1=0.3V
DD
TMR=0.3V
DD
0
1.5/0.9
V
5V
0
2.5/1.5
V
V
IH1
Input High Voltage
(RES, INT0, INT1, TMR)
3V
0.8V
DD
2.4
3
V
5V
4.0
5
V
I
OL
I/O Ports Sink Current
3V
V
OL
=0.3V
1.5
2.5
mA
5V
V
OL
=0.5V
4
6
mA
I
OH
I/O Ports Source Current
3V
V
OH
=2.7V
1
1.5
mA
5V
V
OH
=4.5V
2
3
mA
R
PH
Pull-high Resistance of I/O
Ports and INT0, INT1
3V
40
60
80
k
5V
10
30
50
k
HT49C10
6
September 28, 1999
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