HT46R51A Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Fabricante
HT46R51A Datasheet PDF : 43 Pages
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HT46R51A/HT46R52A
Symbol
Parameter
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
ISTB2
Standby Current
(WDT & AD Disabled)
3V
¾
¾
1
mA
No load, system HALT
5V
¾
¾
2
mA
VIL1
Input Low Voltage for I/O Ports,
TMR and INT
¾
¾
0
¾ 0.3VDD V
VIH1
Input High Voltage for I/O Ports,
TMR and INT
¾
¾
0.7VDD ¾
VDD
V
VIL2
Input Low Voltage (RES)
¾
¾
0
¾ 0.4VDD V
VIH2
Input High Voltage (RES)
¾
¾
0.9VDD ¾
VDD
V
VLVR
Low Voltage Reset Voltage
¾ Configuration option: 3V 2.7
3
3.3
V
IOL
I/O Port Sink Current
3V
VOL=0.1VDD
5V
4
8
¾
mA
10
20
¾
mA
IOH
I/O Port Source Current
3V
VOH=0.9VDD
5V
-2
-4
¾
mA
-5
-10
¾
mA
3V
RPH
Pull-high Resistance of I/O Ports
¾
5V
20
60
100
kW
10
30
50
kW
VAD
A/D Input Voltage
¾
¾
0
¾
VREF
V
VREF
ADC Input Reference Voltage
Range
¾
¾
1.2
¾ VDD
V
DNL
ADC Differential Non-Linear
¾
¾
¾
¾
±2
LSB
INL
ADC Integral Non-Linear
¾
¾
¾
±2.5
±4
LSB
RESOLU Resolution
¾
¾
¾
¾
12
Bits
IADC
Additional Power Consumption 3V
if A/D Converter is Used
5V
¾
¾
0.5
1
mA
¾
1.5
3
mA
A.C. Characteristics
Symbol
Parameter
fSYS1
System Clock
(Crystal OSC)
Test Conditions
VDD
Conditions
¾ 2.2V~5.5V
¾ 3.3V~5.5V
fSYS2
fTIMER
System Clock
(External RC OSC)
Timer I/P Frequency (TMR)
5V Ta=25°C,
External RERC=75kW
¾ 2.2V~5.5V
¾ 3.3V~5.5V
3V
¾
tWDTOSC Watchdog Oscillator Period
5V
¾
tRES
tSST
tINT
tAD
tADC
tADCS
tLVR
External Reset Low Pulse Width ¾
¾
System Start-up Timer Period
¾ Wake-up from HALT
Interrupt Pulse Width
¾
¾
A/D Clock Period
¾
¾
A/D Conversion Time
¾
¾
A/D Sampling Time
¾
¾
Low Voltage Width to Reset
¾
¾
Note: tSYS=1/fSYS
Ta=25°C
Min. Typ. Max. Unit
400
400
-20%´
typ.
0
0
45
32
1
¾
1
1
¾
¾
0.25
¾
¾
4
¾
¾
90
65
¾
1024
¾
¾
80
32
1
4000
8000
+20%´
typ.
4000
8000
180
130
¾
¾
¾
¾
¾
¾
2
kHz
kHz
MHz
kHz
kHz
ms
ms
ms
tSYS
ms
ms
tAD
tAD
ms
Rev. 1.30
4
March 6, 2009
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