參數資料
型號： PS045
廠商： Electronic Theatre Controls, Inc.
英文描述： 35-BIT LED DISPLAY DRIVER
中文描述： 35位LED顯示驅動器
文件頁數： 1/1頁
文件大小： 150K
代理商： PS045
35-BIT LED DISPLAY DRIVER
Part No: 80-08-00003
Type: PS045M
■
FEATURES
—
CMOS technology
—
Continuous brightness control
—
Serial data input
—
No LOAD signal required
—
Optional external data enable and reset
—
Wide power supply operation (3.5V to 12V)
—
34 or 35 outputs, 20mA sink capability
—
Alphanumeric capability
Microelectronics Business Division 2003.03
1 / 1
OPTO TECH CORPORATION
Tel: 886-3-5638951
Fax: 886-3-5783696
http://www.opto.com.tw
Since 1983
OPTO TECH
■
APPLICATIONS
—
Products with alphanumeric LED displays such as digital clock, counter,
radio, multimeter, etc.
—
Industrial control indicator or instrumentation readout
—
Relay driver
■
GENERAL DESCRIPTIONS
The PS045M is designed to drive either 4 or 5-digit, common anode alphanumeric
LED displays with the added benefit of requiring minimal interface with the
display or data source. Data is transferred serially via 2 signals: clock and
serial data. Data transfer without the added inconvenience of external LOAD
and RESET signal is accomplished by using a format of a leading "1" followed
by the allowed 35 data bits. Display brightness is determined by control of
the output current for LED displays. Typically, the output current is 36 times
greater that current flowing into the B.C. terminal.
■
DIE SIZE AND PAD ASSIGNMENT
6 :VDD
5 :B.C.
4 :RESET
3 :OUT1
2 :OUT2
1 :OUT3
44:OUT4
42:OUT6
43:OUT5
41:VSS
40:OUT7
38:OUT9
39:OUT8
37:OUT10
36:OUT11
35:OUT12
32:OUT15
31:OUT16
25:OUT21
26:OUT20
27:OUT19
30:OUT17
29:VSS
28:OUT18
34:OUT13
33:OUT14
24:OUT22
23:OUT23
20:OUT26
21:OUT25
22:OUT24
17:OUT29
18:OUT28
19:OUT27
8 :DATA IN
9 :ENB
7 :CLK
16:VSS
14:OUT31
15:OUT30
13:OUT32
12:OUT33
10:OUT35
11:OUT34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
PAD NAME
VDD
VSS
RESET
B.C.
CLK
DATA IN
ENB
OUTn
DESCRIPTION
Supply voltage
System ground
To reset all the internal registers
Brightness-control current input
Clock input to transfer serial data
Serial data input
To enable or disable serial data input
Constant sinking current output
2770um
2610um
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