HT818D0 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT818D0 Datasheet PDF : 14 Pages
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HT818D0
Pad No. Pad Name
8
FLAG1
9
VSS
10
FLAG2
11~19
KEY1~KEY9
I/O
Internal
Connection
Description
O
NMOS
Open Drain
3HzB/6HzB flash output, busy output,
end-pulse or voice output indication (by mask
option). Open drain, active low output.
¾
¾
Negative power supply, ground
O
NMOS 3Hz/6Hz flash output or busy output (by mask
Open Drain option). Open drain, active low output.
Trigger key, low active. Key features such as
I Pull-high debounce time, pull-high resistance and repeat
are all by mask option.
Absolute Maximum Ratings
Supply Voltage ................................-0.3V to 6V
Input Voltage .................VSS-0.3V to VDD+0.3V
Storage Temperature ................-50°C to 125°C
Operating Temperature .............-20°C to 70°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 de-
vice at other conditions beyond those listed in the specification is not implied and prolonged
exposure to extreme conditions may affect device reliability.
Electrical Characteristics
Symbol
Parameter
VDD
IDD
ISTB
IO
IOL
VIH
VIL
fOSC
Operating Voltage
Operating Current
Standby Current
Max. AUD Output Current
FLAG Sink Current
²H² Input Voltage
²L² Input Voltage
Oscillating Frequency
Test Conditions
VDD Conditions
¾
¾
3V No load
3V
¾
3V VOH=0.6V
3V VOL=0.3V
¾
¾
¾
¾
3V ROSC=530kW
Ta=25°C
Min. Typ. Max. Unit
3.6
¾
5.0
V
¾
200 400 mA
¾
1
3
mA
-1.5
-2
¾
mA
1.5
3.0
¾
mA
0.8VDD ¾
VDD
V
0
¾ 0.2VDD V
76
96
116 kHz
4
March 15, 2000
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