HT46R01M View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT46R01M Datasheet PDF : 69 Pages
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HT46R01M/HT46R02M/HT48R01M/HT48R02M
A.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
fSYS
System Clock
3V ¾
3V ¾
32
¾ 4000 kHz
32
¾ 8000 kHz
3V Ta=25°C
-2% 4 +2% MHz
fHIRC
System Clock
(HIRC)
3V Ta=25°C
3V Ta=0~70°C
-2% 8 +2% MHz
-5% 4 +5% MHz
3V Ta=0~70°C
-5% 8 +5% MHz
3V Ta=25°C, R=120kW *
-2% 4 +2% MHz
fERC
System Clock
(ERC)
3V Ta=0~70°C, R=120kW *
3V Ta= -40°C~85°C,
R=120kW *
-5% 4 +5% MHz
-7% 4 +7% MHz
fLXT
System Clock (LXT)
¾
¾
¾ 32768 ¾
Hz
fTIMER
Timer Input Frequency
(TCn)
3V
¾
0
¾ 8000 kHz
fLIRC
LIRC Oscillator
3V
¾
5
10 15 kHz
tRES
External Reset Low Pulse Width ¾
¾
1
¾
¾
ms
For HXT/LXT
¾ 1024 ¾
tSYS
tSST
System Start-up time Period
¾ For ERC/IRC
(By configuration option)
¾
2
¾
tSYS
¾ 1024 ¾
tSYS
tINT
Interrupt Pulse Width
¾
¾
1
¾
¾
ms
tLVR
Low Voltage Width to Reset
¾
¾
0.25 1
2
ms
tRSTD Reset Delay Time
¾
¾
¾ 100 ¾ ms
Note: 1. tSYS=1/fSYS
2. *For fERC, as the resistor tolerance will influence the frequency a precision resistor is recommended.
Rev. 1.10
6
March 8, 2010
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