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HT82M25X Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

Part # HT82M25X
Description  3/5-Key USBPS/2 Optical Mouse Controller
Download  13 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT82M25X Datasheet(HTML) 4 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
4.4
¾
5.25
V
IDD
Operating Current
(Crystal OSC)
5V
No load,
fSYS=6MHz
USB mode
¾
10
¾
mA
PS/2 mode
¾
3
¾
mA
ISUS
USB Suspend Mode
5V
No load, system HALT
¾¾
250
mA
VIL1
Input Low Voltage
(Z1, Z2, L, M, R)
5V
¾
0
¾
1.0
V
VIH1
Input High Voltage
(Z1, Z2, L, M, R)
5V
¾
3.5
¾
5V
VIL2
Input Low Voltage (RESET)5V
¾
0
¾
1.5
V
VIH2
Input High Voltage (RESET)5V
¾
3.5
¾
5V
VPOR
Built-in Power on Reset VDD
Detection Voltage
5V
¾¾
3.7
¾
V
IOL
Sink Current (LED)
5V
VOL=0.8V
¾
50
¾
mA
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock (Crystal OSC)
5V
¾
0
6000
¾
kHz
Note: tSYS=1/fSYS
Timing Diagram
Z-axis Photo-Coupler Crossover Width
Z-axis Counting
HT82M25X
Rev. 1.00
4
May 14, 2007
Z 1
Z 2
t r
t f
t P
N o t e : F o r Z - a x i s t r , t P , t f > 1 m s
Z 1
Z 2
+ 1
+ 1
- 1
- 1


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