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HT9480 датащи(PDF) 5 Page - Holtek Semiconductor Inc

номер детали HT9480
подробное описание детали  8-Bit Numerical Pager Controller MCU
PDF  47 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT9480 датащи(HTML) 5 Page - Holtek Semiconductor Inc

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background image
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
IOL
BZ, Sink Current
3V
VOL=0.3V
1
2.5
¾
mA
IOH
BZ, Source Current
3V
VOH=2.7V
-1
-2
¾
mA
IOL
PC0~PC1 Sink Current
3V
VOL=0.3V
1.7
3.4
¾
mA
IOH
PC0~PC1 Source Current if Pull-high
Mask Option
3V
VOH=2.7V
-1
-1.9
¾
mA
IOL
BS1, BS2, BS3, FOUT Sink Current
3V
VOL=0.3V
350
¾¾
mA
IOH
BS1, BS2, BS3, FOUT Source Current
3V
VOH=2.7V
-0.9
¾¾
mA
RPH
Pull-high I/O Port Resistance
3V
¾
100
200
500
k
W
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS1
System Clock (RC OSC)
3V
¾
76.8
256
1000
kHz
fSYS2
System Clock (Crystal OSC)
3V
¾
76.8
256
1000
kHz
fSUBSYS
Pager Subsystem Clock (Crystal OSC)
3V
¾
32.768
76.8
153.6
kHz
fTIMER
Timer I/P Frequency (TMR1)
3V
¾
0
¾
1000
kHz
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
Note: tSYS=1/fSYS
HT9480
Rev. 1.20
5
July 31, 2002



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