ht640-s Linx Technologies, Inc., ht640-s Datasheet - Page 2

• Manufacturer Part Number: ht640-s
• Description: Holtek Ht640/s Data Sheet
• Manufacturer: Linx Technologies, Inc.

Holtek HT640/S Data Sheet
P P I I N N O O U U T T
P P I I N N D D E E S S C C R R I I P P T T I I O O N N S S
A A P P P P R R O O X X I I M M A A T T E E I I N N T T E E R R N N A A L L C C I I R R C C U U I I T T S S
A0-A11
D0-D7
DOUT
TE
OSC1
OSC2
VSS
VDD
TRANSMISSION
Pin Name
GATE
I/O
O
O
I
I
I
I
I
I
TRANSMISSION
TRANSMISSION
OSCILLATOR
OSCILLATOR
Connection
CMOS OUT
CMOS In
Internal
Pull-low
CMOS OUT
GATE
GATE
DOUT
OSC2
OSC1
Input pins for address A0-A9 setting
They can be externally set to VDD, VSS, or left open.
Input pins for data (D0-D7) setting
They can be externally set to VDD, VSS, or left open.
Encoder data serial transmission output
Transmission enable, active high
Oscillator input pin
Oscillator output pin
Negative power supply (GND)
Positive power supply
VSS
D1
D2
D3
D4
D5
D6
D7
TE
CMOS IN
Pull Low
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Description
VDD
D0
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
OSC1
EN
OSCILLATOR
OSC2
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