HT6P20D 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT6P20D Datasheet PDF : 14 Pages
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HT6P20X Series
Pin Assignment
2 2 -A d d re s s
2 -D a ta
D0
D1
VSS
O SC2
1
8
2
7
3
6
4
5
H T6P 20B
8 D IP /S O P
NC
VDD
DOUT
O SC1
2 0 -A d d re s s
4 -D a ta
D1 1
16
D2 2
15
D3 3
14
VSS 4
13
NC 5
12
NC 6
11
NC 7
10
NC 8
9
H T6P 20D
1 6 D IP /N S O P
D0
PG M
S IO
VPP
VDD
DOUT
O SC1
O SC2
Pin Description
HT6P20D
Pin No. Pin Name I/O
Internal
Connection
Description
16
1~3
D0~D3
I
CMOS IN
Pull-high
Data input and transmission enable (active low)
They can be externally set to VSS or left open.
4
VSS
¾
¾
Negative power supply, ground
5~8
NC
¾
¾
No connection
9
OSC2
O OSCILLATOR Oscillator output pin
10
OSC1
I OSCILLATOR Oscillator input pin
11
DOUT
O CMOS OUT Data serial transmission output
12
VDD
¾
¾
Positive power supply
13
VPP
I
¾
Programming power supply, VDD for normal operation
14
SIO
I/O
CMOS
IN/OUT
Programming address/control code input and mode code output for
mode verification
15
PGM
I
CMOS IN
Pull-high
Program mode control pin, active low
Approximate Internal Connection Circuits
C M O S IN /O U T
CM OS OUT
C M O S IN
P u ll- h ig h
V DD
O S C IL L A T O R
O SC1
O SC2
Rev. 1.70
2
May 17, 2010
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