HT49R50A-1(2005) Ver la hoja de datos (PDF) - Holtek Semiconductor
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HT49R50A-1 Datasheet PDF : 45 Pages
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HT49R50A-1/HT49C50-1/HT49C50L
D.C. Characteristics
VDD=1.5V for HT49C50L, VDD=3V & VDD=5V for HT49R50A-1 and HT49C50-1
Ta=25°C
Symbol
Parameter
VDD
Operating Voltage
VLCD LCD Power Supply (Note *)
IDD1
Operating Current
(Crystal OSC)
IDD2
Operating Current
(RC OSC)
IDD3
Operating Current
(Crystal OSC, RC OSC)
IDD4
Operating Current
(fSYS=RTC OSC)
ISTB1
Standby Current
(*fS=T1)
ISTB2
Standby Current
(*fS=RTC OSC)
ISTB3
Standby Current
(*fS=WDT RC OSC)
ISTB4
ISTB5
ISTB6
ISTB7
VIL1
Standby Current
(*fS=RTC OSC)
Standby Current
(*fS=RTC OSC)
Standby Current
(*fS=WDT RC OSC)
Standby Current
(*fS=WDT RC OSC)
Input Low Voltage for I/O
Ports, TMR and INT
Test Conditions
VDD
Conditions
For HT49C50L
LVR disable, fSYS=4MHz
¾ (for HT49R50A-1/HT49C50-1)
fSYS=8MHz
(for HT49R50A-1/HT49C50-1)
For HT49R50A-1/HT49C50-1,
¾ VA£5.5V
1.5V No load, fSYS=455kHz
3V
No load, fSYS=4MHz
5V
1.5V No load, fSYS=400kHz
3V
No load, fSYS=4MHz
5V
Min. Typ. Max. Unit
1.2 ¾ 2.2 V
2.2 ¾ 5.5 V
3.3 ¾ 5.5 V
2.2 ¾ 5.5 V
¾ 60 100 mA
¾
1
2 mA
¾
3
5 mA
¾ 50 100 mA
¾
1
2 mA
¾
3
5 mA
5V No load, fSYS=8MHz
¾
4
8 mA
1.5V
¾ 2.5
5
mA
3V No load
¾ 0.3 0.6 mA
5V
¾ 0.6
1
mA
1.5V
3V
No load, system HALT,
LCD off at HALT
5V
¾ 0.1 0.5 mA
¾¾
1
mA
¾¾
2
mA
1.5V
3V
No load, system HALT,
LCD On at HALT, C type
5V
¾
1
2
mA
¾ 2.5
5
mA
¾ 10 20 mA
1.5V
3V
No load, system HALT
LCD On at HALT, C type
5V
¾ 0.5
1
mA
¾
2
5
mA
¾
6
10 mA
3V No load, system HALT,
¾ 17 30 mA
5V LCD on at HALT, R type, 1/2 bias ¾
34
60
mA
3V No load, system HALT,
¾ 13 25 mA
5V LCD on at HALT, R type, 1/3 bias ¾
26
50
mA
3V No load, system HALT,
¾ 14 25 mA
5V LCD on at HALT, R type, 1/2 bias ¾
28
50
mA
3V No load, system HALT,
¾ 10 20 mA
5V LCD on at HALT, R type, 1/3 bias ¾
20
40
mA
¾
¾
0
¾ 0.3VDD V
Rev. 2.00
5
November 29, 2005
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