파트넘버.co.kr DM-8884A 데이터시트 PDF


DM-8884A 반도체 회로 부품 판매점

High Voltage Cathode Decoder/Driver



Dionics 로고
Dionics
DM-8884A 데이터시트, 핀배열, 회로
DIONICS, INC.www.DataSheet4U.com
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:
Features:
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 (Rp) from Vcc to
the program input.
ü Reliable Dielectric Isolation Process
ü Current Sink Outputs
ü High Output Breakdown Voltage
ü Low Input Load Current
ü Intended For Multiplex Operation
ü Replacement For National DM-8884A
ü Standard 18-pin DIP Package
Package Layout:
0.900
DIONICS
DI-8884A
0.020
v Truth Table
0.025
0.070
Function
Decimal Point Comma D C B A a b c d e f g Display
0 1 1 00000000001
1 1 1 00011001111
2 1 1 00100010010
3 1 1 00110000110
4 1 1 01001001100
5 1 1 01010100100
6 1 1 01100100000
7 1 1 01110001111
8 1 1 10000000000
9 1 1 10010000100
10 1 1 1 0 1 0 1 1 0 0 0 1 1
11 1 1 1 0 1 1 1 1 0 0 0 1 0
12 1 1 1 1 0 0 0 0 1 1 1 0 0
13 1 1 1 1 0 1 0 1 1 0 0 0 0
14 1 1 1 1 1 0 1 1 1 1 1 1 0
15 1 1 1 1 1 1 1 1 1 1 1 1 1
*Decimal Point
0
1 XXXXXXXXXXX
*Comma
0 0 XXXXXXXXXXX
*Decimal point and Comma can be displayed with or without any numeral.
09/2001


DM-8884A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
DI-8884A High Voltage Cathode Decoder/Driver
v Absolute Maximum Ratings
Input Voltage (Vcc)
Segment Output Voltage
Power Dissipation
Transient Segment Output Current
Operation Temperature Range
Storage Temperature Range
7V
110V
600mW
50mA
0 0C to 70 0C
-65 0C to 150 0C
v Electrical Characteristics ( 0 0C < Ta < 70 0C - Unless otherwise noted; Vcc = 5V ± 5% )
Parameter
Conditions
Min. Max. Unit
Logic "1" Input Voltage
Vcc = 4.75V
2.0 V
Logic "0" Input Voltage
Vcc = 4.75V
1.0 V
Logic "1" Input Current
Vcc = 5.25V; Vin = 2.4V
15.0 ìA
Logic "0" Input Current
Vcc = 5.25V; Vin = 0.4V
-250 ìA
Positive Input Clamp Voltage
Vcc = 4.75V; Iin = 1.0mA
5.0 V
Negative Input Clamp Voltage Vcc = 5.0 V; Iin = -12.0 mA; @Ta = 25 0C -1.5 V
Power Supply Current
Vcc = 5.25V; Rp = 2.8K; All Vin = 5V 40.0 mA
Segment Outputs
All Outputs On Current Ration
All Vout = 50V
Output b Current = Ref.
0.9 1.1
Output b On Current
Vcc = 5V; Vout @ b=50V; @Ta = 25 0C
Rp = 18.1K
0.18 0.22 mA
Rp = 7.03K
0.45 0.55 mA
Rp = 3.40 K
0.90 1.10 mA
Rp = 2.80K
1.08 1.32 mA
Output Leakage Current
Vout = 75V
5.0 ìA
Output Breakdown Voltage
Iout = 10ìA
110 V
Propagation Delay
Any Input to Segment Output
Vcc = 5V; @Ta = 25 0C
10.0 ì s
v Pin Designation
DP
Vcc a b c d e f g OUT
18 17 16 15 14 13 12 11 10
123456789
Prog.
Input
A
B
C
D
DP
IN
COM
IN
COM
OUT
GND




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DM-8884A driver

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High Voltage Cathode Decoder/Driver - Dionics