HT6P20 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT6P20 Datasheet PDF : 9 Pages
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HT6P20
Pad Assignment
Pad Coordinates
1
S IO 2
PG M 3
D0 4
NC 5
D1 6
78
20 19
(0 ,0 )
9 10 11
12 13
14 15
18 O S C 1
17 O S C 2
16 D 7
Chip size: 2590 ´ 2010 (mm)2
* The IC substrate should be connected to VSS in
the PCB layout artwork.
Pad No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
X
-956.50
-1123.00
-1123.00
-1123.00
-1123.00
-1123.00
-1027.50
-852.50
-530.00
-355.00
-180.00
142.50
317.50
640.00
815.00
1137.50
1118.00
1118.00
489.00
223.50
Unit: mm
Y
762.75
498.75
236.25
-86.25
-261.25
-583.75
-776.75
-776.75
-776.75
-776.75
-776.75
-776.75
-776.75
-776.75
-776.75
-776.75
-466.75
-205.75
772.05
789.75
Pin Description
HT6P20D
Pin No. Pin Name I/O
Internal
Connection
Description
16
1~3
D0~D3
I
CMOS IN Data input and transmission enable (active low)
Pull-high 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 opera-
tion
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
3
May 2, 2000
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