HT47C20L View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT47C20L' PDF : 55 Pages View PDF
A.C. Characteristics
Symbol
Parameter
fSYS1
System Clock
fTIMER
Timer I/P Frequency (TMR)
tRES
External Reset Low Pulse Width
tSST
System Start-up Timer Period
tINT
Interrupt Pulse Width
tRIS
Power Supply Rise Time
tLVD
Low Voltage Detector Response Time
fAD
A/D Converter Frequency
Note: tSYS=1/fSYS
HT47C20L
Test Conditions
VDD Conditions
1.5V
¾
1.5V
¾
¾
¾
¾
¾
1.5V
¾
¾ Power-up
1.5V
¾
1.5V
¾
Ta=25°C
Min. Typ. Max. Unit
¾ 32768 ¾ Hz
0
¾ 32768 Hz
100
¾
¾
ms
¾
8192
¾
tSYS
100
¾
¾
ms
¾
¾
1
s
200
¾
¾
ms
¾
¾ 500 kHz
Rev. 2.30
6
December 2, 2005
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