HT47C20L 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT47C20L Datasheet PDF : 45 Pages
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HT47C20L
D.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
VDD
Operating Voltage
¾
¾
1.2 1.5 2.2 V
VLVD Low Voltage Detector Voltage
¾
¾
1.1 1.2 1.3 V
VLVR Low Voltage Reset Voltage
¾
¾
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
4
8
mA
IDD2
Operating Current
(LVR Disable, LVD Enable)
1.5V
No load, fSYS=32768Hz
A/D Off, LVD Off
¾
9
15 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
(Mask Option Select LVR Disable, LVD Dis-
able, LCD Off)
1.5V
No load, system HALT
A/D Off, LVD Off
¾
1
2
mA
ISTB2
Standby Current
(Mask Option Select LVR
Enable, LCD On or Off)
Disable,
LVD
1.5V
No load, system HALT
A/D Off, LVD Off
¾
6
10 mA
ISTB3
Standby Current
(Mask Option Select LVR
Enable, LCD On or Off)
Enable,
LVD
1.5V
No load, system HALT
A/D Off, LVD Off
¾
9
15 mA
ISTB4
Standby Current
(Mask Option Select LVR
Enable, LCD On or Off)
Disable,
LVD
1.5V
No load, system HALT
A/D Off, LVD On
¾
8
15 mA
IAD
Additional Power Consumption if A/D is
Used
1.5
A/D On
*R=5.1kW, *C=500pF
¾ 270 500 mA
VIL
Input Low Voltage for I/O Ports
¾
¾
0
¾ 0.3VDD V
VIH
Input High Voltage for I/O Ports
¾
¾
0.8VDD ¾ VDD V
VIL1
Input Low Voltage (RES)
¾
¾
0
¾ 0.5VDD V
VIL2
Input Low Voltage (INT, TMR)
¾
¾
0
¾ 0.3VDD V
VIH1 Input High Voltage (RES, INT, TMR)
¾
¾
0.8VDD ¾ VDD V
IOL
I/O Port Sink Current
1.5V VOL=0.15V
0.3 0.6 ¾ mA
IOH
I/O Port Source Current
1.5V VOH=1.35V
-0.2 -0.4 ¾ mA
IOL1
Common 0~3 Output Sink Current
1.5V VOL=0.3V (1/2bias)
120 230 ¾ mA
IOH1
Common 0~3 Output Source Current
1.5V VOH=2.7V (1/2bias)
-50 -100 ¾ mA
IOL2
Segment 0~19 Output Sink Current
1.5V VOL=0.3V (1/2bias)
30 60 ¾ mA
IOH2 Segment 0~19 Output Source Current 1.5V VOH=2.7V (1/2bias)
-20 -30 ¾ mA
IOL3
Common 0~3 Output Sink Current
1.5V VOL=0.45V (1/3bias)
120 220 ¾ mA
IOH3
Common 0~3 Output Source Current
1.5V VOH=4.05V (1/3bias)
-50 -100 ¾ mA
IOL4
Segment 0~19 Output Sink Current
1.5V VOL=0.45V (1/3bias)
30 60 ¾ mA
IOH4 Segment 0~19 Output Source Current 1.5V VOH=4.05V (1/3bias)
-20 -30 ¾ mA
IOL5
RC oscillation Output Sink Current
1.5V VOL=0.15V
2 2.7 ¾ mA
IOH5
RC oscillation Output Source Current
1.5V VOH=1.35V
-2 -3.1 ¾ mA
RPH1 Pull-high Resistance of I/O Ports and INT 1.5V
¾
100 150 200 kW
RPH2 Pull-high Resistance of TEST
1.5V
¾
10 30 60 kW
Note: *R means the resistance of RC type A/D converter
*C means the capacitance of RC type A/D converter
Rev. 2.30
5
December 2, 2005
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