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HT46R23 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT46R23
Description  8-Bit OTP Microcontroller
PDF  42 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46R23 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
fSYS1
System Clock (Crystal OSC)
3.3V
¾
400
¾
4000
kHz
5V
¾
400
¾
8000
kHz
fSYS2
System Clock (RC OSC)
3.3V
¾
400
¾
4000
kHz
5V
¾
400
¾
8000
kHz
fTIMER
Timer I/P Frequency (TMR)
3.3V
¾
0
¾
4000
kHz
5V
¾
0
¾
8000
kHz
tAD
A/D Clock Period
5V
¾
1
¾¾ms
tADC
A/D Conversion Time
¾¾
¾
76
¾
tAD
tWDTOSC
Watchdog Oscillator
3.3V
¾
43
86
168
ms
5V
¾
36
72
144
ms
tRES
External Reset Low Pulse Width
¾¾
1
¾¾ms
tSST
System Start-up Timer Period
¾
Power-up, reset or
wake-up from HALT
¾
1024
¾
*tSYS
tINT
Interrupt Pulse Width
¾¾
1
¾¾ms
tHBUS
I2C BUS Clock Period
¾
Connect to external
pull-high resistor 2kW
64
¾¾
*tSYS
Note: *tSYS=1/fSYS
HT46R23
Rev. 1.30
5
August 17, 2001



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