點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
DM13A
Pin Connection
1
24
23
22
21
20
19
18
17
16
15
14
13
GND
DAI
VDD
2
3
REXT
DAO
DCK
DIP24
SOP24
4
LAT
EN
5
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10
OUT9
OUT8
6
7
SSOP24
TSSOP24
8
9
10
11
12
(top view)
Pin Description
PIN No.
PIN NAME
GND
FUNCTION
DIP24/SOP24/SSOP24: 1
DIP24/SOP24/SSOP24: 2
Ground terminal.
DAI
DCK
LAT
Serial data input terminal.
Synchronous clock input terminal for serial data transfer. Data
is sampled at the rising edge of DCK.
DIP24/SOP24/SSOP24: 3
DIP24/SOP24/SSOP24: 4
DIP24/SOP24/SSOP24: 5~20
DIP24/SOP24/SSOP24: 21
DIP24/SOP24/SSOP24: 22
Input terminal of data strobe. Data on shift register goes
through at the high level of LAT (level trigger). Otherwise,
data is latched.
OUT0~15 Sink constant-current outputs (open-drain).
Output enable terminal:
EN
‘H’ for all outputs are turned off ,
‘L’ for all outputs are active.
DAO
Serial data output terminal.
External resistors connected between REXT and GND for
output current value setting.
DIP24/SOP24/SSOP24: 23
DIP24/SOP24/SSOP24: 24
REXT
VDD
Supply voltage terminal.
16-bit Constant Current LED Driver
Version:A.003
Page 3
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