HT817D0 查看數據表（PDF） - Holtek Semiconductor
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HT817D0 Datasheet PDF : 15 Pages
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HT817D0
Pad Description
Pad No.
1~3
4
5
6
7
8
9
10
11~19
Pad Name
KEY10~KEY12
VDD
AUD
OSC2
OSC1
FLAG1
VSS
FLAG2
KEY1~KEY9
I/O
Internal
Connection
Description
Trigger key, low active. Key features such as
I Pull-high debounce time, pull-high resistance and repeat
are all by mask option.
¾
¾
Positive power supply
O
PMOS
Open Drain
Voice output for driving an external transistor
O
¾
Oscillator output pin
I
¾
Oscillator input pin
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, active low. 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.
4
March 15, 2000
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