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參數資料
| 型號： | HT82M99E-20 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | USB Mouse Encoder 8-Bit OTP MCU |
| 中文描述： | USB鼠標編碼器8位微控制器檢察官辦公室 |
| 文件頁數： | 3/45頁 |
| 文件大小： | 646K |
| 代理商： | HT82M99E-20 |
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Absolute Maximum Ratings
Supply Voltage...........................V
SS
0.3V to V
SS
+6.0V
Storage Temperature............................ 50 C to 125 C
Input Voltage..............................V
SS
0.3V to V
DD
+0.3V
Operating Temperature...............................0 C to 70 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
4
5.5
V
I
DD
Operating Current (6MHz Crystal)
5V
No load, f
SYS
=6MHz
7
9
mA
I
STB
Standby Current
5V
No load, system HALT
300
500
A
V
IL1
Input Low Voltage for I/O Ports
5V
0
0.8
V
V
IH1
Input High Voltage for I/O Ports
5V
2
5
V
V
IL2
Input Low Voltage (RES)
5V
0
0.4V
DD
V
V
IH2
Input High Voltage (RES)
5V
0.9V
DD
V
DD
V
I
OL
Output Sink Current for Other Ports
PA0~PA7, PB2~PB4, PB7
5V
V
OL
=0.4V
2
4
mA
I
OH
Output Port Source Current
5V
V
OL
=3.4V
2.5
4
mA
R
PD
Pull-down Resistance for PA0~PA3, PB2
and PB3
5V
10
30
50
k
R
PH1
Pull-high Resistance for CLK and DATA
2
4.7
6
k
R
PH2
Pull-high Resistance for PA0~PA7,
PB2~PB4, PB7
30
50
70
k
V
LVR
Low Voltage Reset
5V
2.4
2.7
3
V
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS
System Clock (Crystal OSC)
5V
6
12
MHz
f
RCSYS
RC Clock with 8-bit Prescaler Register
5V
0
32
kHz
t
WDT
WatchdogTime-outPeriod(SystemClock)
Without WDT prescaler 1024
t
RCSYS
t
RF
USBD+, USBD- Rising & falling Time
75
300
ns
t
SST
System Start-up Timer Period
Wake-up from HALT
1024
t
SYS
t
OSC
Crystal Setup
5
10
ms
Note: Power-on period=t
WDT
+t
SST
+t
OSC
WDT Time-out in normal mode=1/f
RCSYS
256 WDTS+t
WDT
WDT Time-out in HALT mode=1/f
RCSYS
256 WDTS+t
SST
+t
OSC
HT82M99E
Rev. 1.50
3
November 19, 2004
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