HT46R01B-1/HT46R01N-1
HT48R01B-1/HT48R01N-1
Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
5V
4
4
+2%
+5%
MHz
MHz
Ta=25°C, R=120kW *
Ta=0~70°C, R=120kW *
-2%
-5%
5V
System Clock
Ta= -40°C~85°C,
R=120kW *
fERC
5V
4
4
+7%
MHz
-7%
(ERC)
2.2V~ Ta= -40°C~85°C,
+11% MHz
-11%
5.5V
R=120kW *
fLXT
System Clock (LXT)
32768
¾
Hz
¾
¾
¾
¾
0
¾
2.2V~5.5V
3.3V~5.5V
4.5V~5.5V
4000
8000
kHz
kHz
Timer Input Frequency
(TCn)
fTIMER
0
¾
0
12000 kHz
¾
3V
5V
¾
45
32
1
90
65
¾
180
130
¾
¾
¾
¾
ms
ms
tLIRC
tRES
tSST
LIRC Oscillator
External Reset Low Pulse Width
System Start-up time Period
ms
tSYS
tSYS
For HXT/LXT
For ERC/IRC
128
2
¾
¾
1
¾
¾
¾
tINT
Interrupt Pulse Width
Low Voltage Width to Reset
Reset Delay Time
¾
¾
¾
¾
¾
¾
ms
ms
ms
tLVR
tRSTD
0.25
¾
1
2
¾
¾
100
¾
Note: 1. tSYS=1/fSYS
2. *For fERC, as the resistor tolerance will influence the frequency a precision resistor is recommended.
Rev.1.00
9
June 9, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
