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HT82K95A датащи(PDF) 5 Page - Holtek Semiconductor Inc

номер детали HT82K95A
подробное описание детали  USB Multimedia Keyboard Encoder 8-Bit MCU
PDF  42 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT82K95A датащи(HTML) 5 Page - Holtek Semiconductor Inc

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background image
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
IOL3
I/O Port Sink Current for PA0
5V
VOL=0.4V
7
10
13
mA
IOH1
I/O Port Source Current for PA1~PA7, PB,
PC, PD
5V
VOH=3.4V
-2
-4
-8
mA
IOH2
I/O Port Source Current for PA0
5V
VOH=3.4V
-12
-18
-24
mA
RPH
Pull-high Resistance for PA, PB, PC, PD
5V
¾
25
50
80
k
W
VLVR
Low Voltage Reset
¾¾
2
2.6
3.2
V
VV33O
3.3V Regulator Output
5V
IV33O=
-5mA
3.0
3.3
3.6
V
COSC1
Build_in Capacitance in OSC1
5V
¾
10
15
20
pF
COSC2
Build_in Capacitance in OSC2
5V
¾
10
15
20
pF
Note:
²*² include 15kW loading of USBD+, USBD- line in host terminal.
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ. Max.
Unit
VDD
Conditions
fSYS
System Clock (Crystal OSC)
5V
¾
6
¾
12
MHz
fTIMER
Timer I/P Frequency (TMR)
5V
¾
0
¾
12
MHz
tWDTOSC Watchdog Oscillator
5V
¾
15
31
70
ms
tWDT1
Watchdog Time-out Period (WDT OSC)
5V
Without WDT prescaler
4
8
16
ms
tWDT2
Watchdog Time-out Period (System Clock)
¾ Without WDT prescaler
¾
1024
¾
tSYS
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tSST
System Start-up Timer Period
¾
Wake-up from HALT
¾
1024
¾
tSYS
Power-up, Watchdog
Time-out from normal
¾
1024
¾
tWDTOSC
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
Power-on Reset Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VPOR
VDD Start Voltage to Ensure
Power-on Reset
¾¾
¾
¾
100
mV
RRVDD
VDD raising rate to Ensure
Power-on Reset
¾¾
0.035
¾¾
V/ms
tPOR
Minimum Time for VDD Stays at
VPOR to Ensure Power-on Reset
¾¾
1
¾¾
ms
HT82K95E/HT82K95A
Rev. 2.40
5
November 5, 2014
T i m e
V D D
V P O R
R R V D D
t P O R



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