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HT46R51 Scheda tecnica(PDF) 4 Page - Holtek Semiconductor Inc

Il numero della parte HT46R51
Spiegazioni elettronici  A/D Type 8-Bit OTP MCU
PDF  42 Pages
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46R51 Scheda tecnica(HTML) 4 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
ISTB2
Standby Current
(WDT & AD Disabled)
3V
No load, system HALT
¾¾
1
mA
5V
¾¾
2
mA
VIL1
Input Low Voltage for I/O Ports,
TMR and INT
¾¾
0
¾
0.3VDD
V
VIH1
Input High Voltage for I/O Ports,
TMR and INT
¾¾
0.7VDD
¾
VDD
V
VIL2
Input Low Voltage (RES)
¾¾
0
¾
0.4VDD
V
VIH2
Input High Voltage (RES)
¾¾
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
48
¾
mA
5V
10
20
¾
mA
IOH
I/O Port Source Current
3V
VOH=0.9VDD
-2
-4
¾
mA
5V
-5
-10
¾
mA
RPH
Pull-high Resistance of I/O Ports
3V
¾
20
60
100
k
W
5V
10
30
50
k
W
VAD
A/D Input Voltage
¾¾
0
¾
VREF
V
VREF
ADC Input Reference Voltage
Range
¾¾
1.2
¾
VDD
V
DNL
ADC Differential Non-Linear
¾¾
¾
¾
±2
LSB
INL
ADC Integral Non-Linear
¾¾
¾
±2.5
±4
LSB
RESOLU Resolution
¾¾
¾
¾
12
Bits
IADC
Additional Power Consumption
if A/D Converter is Used
3V
¾
¾
0.5
1
mA
5V
¾
1.5
3
mA
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock (Crystal OSC)
¾ 2.2V~5.5V
400
¾
4000
kHz
¾ 3.3V~5.5V
400
¾
8000
kHz
fTIMER
Timer I/P Frequency (TMR)
¾ 2.2V~5.5V
0
¾
4000
kHz
¾ 3.3V~5.5V
0
¾
8000
kHz
tWDTOSC
Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
¾
32
65
130
ms
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tSST
System Start-up Timer Period
¾ Wake-up from HALT
¾
1024
¾
tSYS
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
tAD
A/D Clock Period
¾¾
1
¾¾
ms
tADC
A/D Conversion Time
¾¾
¾
80
¾
tAD
tADCS
A/D Sampling Time
¾¾
¾
32
¾
tAD
Note: tSYS=1/fSYS
HT46R51/HT46R52
Rev. 1.40
4
July 12, 2005



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