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HT82K68 датащи(PDF) 5 Page - Holtek Semiconductor Inc

номер детали HT82K68
подробное описание детали  Multimedia Keyboard Encoder OTP
PDF  40 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT82K68 датащи(HTML) 5 Page - Holtek Semiconductor Inc

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D.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
2.8
¾
5.5
V
IDD1
Operating Current
(Crystal OSC)
3V
No load, fSYS= 2MHz
¾
0.7
1.5
mA
5V
¾
25
mA
IDD2
Operating Current
(RC OSC)
3V
No load, fSYS= 2MHz
¾
1
1.5
mA
5V
¾
25
mA
ISTB1
Standby Current
(WDT enabled)
3V
No load, system HALT
¾¾
8
mA
5V
¾¾
15
mA
ISTB2
Standby Current
(WDT Disabled)
3V
No load, system HALT
¾¾
3
mA
5V
¾¾
6
mA
VIL
Input Low Voltage for
I/O Ports
3V
¾
0
¾
1V
5V
¾
0
¾
1.5
V
VIH
Input High Voltage for
I/O Ports
3V
¾
2.1
¾
3V
5V
¾
3.5
¾
5V
VIL1
Input Low Voltage
(RESET)
3V
¾
0
¾
0.7
V
5V
¾
0
¾
1.3
V
VIH1
Input High Voltage
(RESET)
3V
¾
2.5
¾
3V
5V
¾
4.1
¾
5V
IOL
I/O Port Sink Current
5V VOL= 0.5V
715
¾
mA
IOH
I/O Port Source Current
5V VOH= 4.5V
-2.5 -4.5
¾
mA
ILED
LED Sink Current
5V VOL=3.2V
10
14
18
mA
tPOR
Power-on Reset Time
5V
¾
120
150
180
ms
RPH
Internal Pull-high
Resistance of PA, PB, PC,
PD, PE Port
5V
¾
512
20
kW
RPH1
Internal Pull-high
Resistance of DATA, CLK 5V
¾
25
8
kW
Df/f
Frequency Variation
5V Crystal
¾¾
±1
%
Df/f1
Frequency Variation
5V RC
¾¾
±10
%
HT82K68E
5
August 8, 2000
Preliminary



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