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HT47C20L Datasheet(PDF) 6 Page - Holtek Semiconductor Inc

Part # HT47C20L
Description  8-Bit Microcontroller
PDF  55 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT47C20L Datasheet(HTML) 6 Page - Holtek Semiconductor Inc

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Absolute Maximum Ratings
Supply Voltage..............................-0.3V to 2.5V
Storage Temperature.................-50°Cto125°C
Input Voltage.................VSS-0.3V to VDD+0.3V
Operating Temperature ..............-40°Cto85°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-
mum Ratings² may cause substantial damage to the device. Functional operation of this device
at other conditions beyond those listed in the specification is not implied and prolonged expo-
sure to extreme conditions may affect device reliability.
D.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
1.2
1.5
2.2
V
VLVD
Low Voltage Detector Voltage
¾¾
1.1
1.2
1.3
V
VLVR
Low Voltage Reset Voltage
¾¾
1.0
1.1
1.2
V
IDD1
Operating Current
(LVR Disable, LVD Disable)
1.5V No load, fSYS=32768Hz
A/D Off, LVD Off
¾
48
mA
IDD2
Operating Current
(LVR Disable, LVD Enable)
1.5V No load, fSYS=32768Hz
A/D Off, LVD Off
¾
915
mA
IDD3
Operating Current
(LVR Enable, LVD Enable)
1.5V No load, fSYS=32768Hz
A/D Off, LVD Off
¾
12
20
mA
ISTB1
Standby Current
(LVR Disable, LVD Disable,
LCD Off)
1.5V No load, system Halt
A/D Off, LVD Off
¾
12
mA
ISTB2
Standby Current
(LVR Disable, LVD Enable,
LCD On)
1.5V No load, system Halt
A/D Off, LVD Off
¾
610
mA
ISTB3
Standby Current
(LVR Enable, LVD Enable,
LCD On)
1.5V No load, system Halt
A/D Off, LVD Off
¾
915
mA
ISTB4
Standby Current
(LVR Disable, LVD Enable,
LCD On)
1.5V No load, system Halt
A/D Off, LVD On
¾
815
mA
ISTB5
Standby Current
(LVR Off, LVD Disable,
LCD Off)
1.5
No load, system Halt
A/D On
*R=5.1kW, *C=500P
¾
270
500
mA
VIL
Input Low Voltage for I/O Ports 1.5V
¾
0
¾
0.45
V
VIH
Input High Voltage for I/O
Ports
1.5V
¾
1.05
¾
1.5
V
HT47C20L
6
January 18, 2000



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