參數(shù)資料
型號: HT82K68
廠商: Holtek Semiconductor Inc.
英文描述: Multimedia Keyboard Encoder OTP
中文描述: 多媒體鍵盤編碼器檢察官辦公室
文件頁數(shù): 5/40頁
文件大?。?/td> 260K
代理商: HT82K68
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Unit
V
DD
Conditions
V
DD
Operating Voltage
2.8
5.5
V
I
DD1
Operating Current
(Crystal OSC)
3V
No load, f
SYS
= 2MHz
0.7
1.5
mA
5V
2
5
mA
I
DD2
Operating Current
(RC OSC)
3V
No load, f
SYS
= 2MHz
1
1.5
mA
5V
2
5
mA
I
STB1
Standby Current
(WDT enabled)
3V
No load, system HALT
8
A
5V
15
A
I
STB2
Standby Current
(WDT Disabled)
3V
No load, system HALT
3
A
5V
6
A
V
IL
Input Low Voltage for
I/O Ports
3V
0
1
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
(RESET)
3V
0
0.7
V
5V
0
1.3
V
V
IH1
Input High Voltage
(RESET)
3V
2.5
3
V
5V
4.1
5
V
I
OL
I/O Port Sink Current
5V
V
OL
= 0.5V
7
15
mA
I
OH
I/O Port Source Current
5V
V
OH
= 4.5V
2.5
4.5
mA
I
LED
LED Sink Current
5V
V
OL
=3.2V
10
14
18
mA
t
POR
Power-on Reset Time
5V
120
150
180
ms
R
PH
Internal Pull-high
Resistance of PA, PB, PC,
PD, PE Port
5V
5
12
20
k
R
PH1
Internal Pull-high
Resistance of DATA, CLK
5V
2
5
8
k
f/f
Frequency Variation
5V
Crystal
1
%
f/f1
Frequency Variation
5V
RC
10
%
HT82K68E
5
August 8, 2000
Preliminary
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