HT46R74D-1 Holtek Semiconductor, HT46R74D-1 Datasheet - Page 5

• Manufacturer Part Number: HT46R74D-1
• Description: Dual Slope A/D Type MCU
• Manufacturer: Holtek Semiconductor

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Rev. 1.10
I
V
V
V
V
V
V
I
I
I
I
R
Charge Pump and Regulator
V
V
V
V
Dual Slope AD, Amplifier and Band Gap
V
V
V
Symbol
STB7
OL1
OH1
OL2
OH2
IL1
IH1
IL2
IH2
LVR
LVD
CHPI
REGO
REGDP1
REGDP2
RFGO
RFGTC
ADOFF
PH
Standby Current
(*f
Input Low Voltage for I/O Ports,
TMR and INT
Input High Voltage for I/O Ports,
TMR and INT
Input Low Voltage (RES)
Input High Voltage (RES)
Low Voltage Reset Voltage
Low Voltage Detector Voltage
I/O Port Segment Logic Output
Sink Current
I/O Port Segment Logic Output
Source Current
LCD Common and Segment
Current
LCD Common and Segment
Current
Pull-high Resistance of I/O Ports
and INT
Input Voltage
Output Voltage
Regulator Output Voltage Drop
(Compare with No Load)
Reference Generator Output
Reference Generator
Temperature Coefficient
Input Offset Range
S
=WDT OSC)
Parameter
V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
DD
No load, system HALT,
Analog block off, LCD on
1/3 bias, V
V
V
V
V
Charge pump on
Charge pump off
No load
V
Charge pump off
Current 10mA
V
Charge pump on
Current 6mA
@3.3V
@3.3V
OL
OH
OL
OH
DD
DD
Test Conditions
=0.1V
=0.1V
=0.9V
=0.9V
=3.7V~5.5V
=2.4V~3.6V
5
Conditions
DD
DD
DD
DD
LCD
=V
DD
0.7V
0.9V
Min.
1.45
210
350
2.7
3.0
2.2
3.7
10
180
20
10
80
0
0
4
3
2
5
DD
DD
Typ.
420
700
100
100
500
3.0
3.3
3.3
1.5
10
19
20
160
360
60
30
50
8
10
4
HT46R74D-1
January 11, 2007
0.3V
0.4V
Max.
1.55
V
V
100
800
3.3
3.6
3.6
5.5
3.6
20
40
50
DD
DD
DD
DD
Ppm/C
Unit
mA
mA
mA
mA
mV
mV
k
k
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
V