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HT46R54A Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT46R54A
Description  A/D Type 8-Bit OTP MCU
Download  43 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46R54A Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock (Crystal OSC)
¾ 2.2V~5.5V
400
¾
4000
kHz
¾ 3.3V~5.5V
400
¾
8000
kHz
fTIMER
Timer I/P Frequency (TMR)
¾ 2.2V~5.5V
0
¾
4000
kHz
¾ 3.3V~5.5V
0
¾
8000
kHz
tWDTOSC
Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
¾
32
65
130
ms
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
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
tAD
A/D Clock Period
¾¾
1
¾¾
ms
tADC
A/D Conversion Time
¾¾
¾
80
¾
tAD
tADCS
A/D Sampling Time
¾¾
¾
32
¾
tAD
Note: tSYS=1/fSYS
HT46R53A/HT46R54A
Rev. 1.00
5
August 24, 2006


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