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參數資料
| 型號： | DI-8884A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Voltage Cathode Decoder/Driver |
| 中文描述： | 高電壓陰極解碼器/驅動器 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 52K |
| 代理商： | DI-8884A |
DIONICS , INC.
65 Rushmore Street
Westbury, NY 11590
Phone: (516) 997-7474
Fax: (516) 997-7479
Website: www.dionics-usa.com
DI-8884A High Voltage Cathode Decoder/Driver
Direct Replacement for National DM-8884A
General Description:
The DI-8884A is designed to decode four
lines of BCD input and drive seven segment
digits of gas-filled readout displays. Two
separate inputs are provided for driving the
decimal point and comma cathodes.
All outputs consist of switchable and
programmable current sinks, which provide
constant current to the tube cathodes, even
with high tube anode supply tolerance.
Output currents may be varied over the 0.2
to 1.2 mA range for multiplex operation.
The output current is adjusted by connecting
an external program resistor (R
p
) from V
cc
to
the program input.
Truth Table
Function
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
*Decimal Point
*Comma
*Decimal point and Comma can be displayed with or without any numeral.
Features:
9
Reliable Dielectric Isolation Process
9
Current Sink Outputs
9
High Output Breakdown Voltage
9
Low Input Load Current
9
Intended For Multiplex Operation
9
Replacement For National DM-8884A
9
Standard 18-pin DIP Package
Package Layout:
DI-8884A
Decimal Point
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
Comma
D C B A a b c d e f g
Display
1
0 0 0 0 0 0 0 0 0 0 1
1
0 0 0 1 1 0 0 1 1 1 1
1
0 0 1 0 0 0 1 0 0 1 0
1
0 0 1 1 0 0 0 0 1 1 0
1
0 1 0 0 1 0 0 1 1 0 0
1
0 1 0 1 0 1 0 0 1 0 0
1
0 1 1 0 0 1 0 0 0 0 0
1
0 1 1 1 0 0 0 1 1 1 1
1
1 0 0 0 0 0 0 0 0 0 0
1
1 0 0 1 0 0 0 0 1 0 0
1
1 0 1 0 1 1 0 0 0 1 1
1
1 0 1 1 1 1 0 0 0 1 0
1
1 1 0 0 0 0 1 1 1 0 0
1
1 1 0 1 0 1 1 0 0 0 0
1
1 1 1 0 1 1 1 1 1 1 0
1
1 1 1 1 1 1 1 1 1 1 1
1
X X X X X X X X X X X
0
X X X X X X X X X X X
10/2004
0.900
DIONICS
0.070
0
0.020
0.025
0
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