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Data Sheet
29313D*
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
A6118SLW
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
V
BB 12
10
NC
NC 11
Consisting of eight npn Darlington output stages and the associated common-emitter input stages, these drivers are designed to
interface between low-level digital logic and vacuum fluorescent
displays. Both devices are capable of driving the digits and/or segments of these displays and are designed to permit all outputs to be
activated simultaneously. Pull-down resistors are incorporated into
each output and no external components are required for most fluorescent display applications.
T
C
U
D
O
R
.
y
P nl
With any device, the output load is activated when the input is
pulled towards the positive supply (active ‘high’). The UDN6118A is
furnished in a standard 18-pin plastic DIP; the A6118SLW is in a 20lead wide-body SOIC. Both units operate over the temperature range
of -20°C to +85°C. These devices are also available for operation over
the temperature range of -40°C to +85°C by changing the part number
to UDQ6118A or A6118ELW.
FEATURES
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N fer
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■ Digit or Segment Drivers
Dwg. PP-064-3
■ Low Input Current
■ Integral Output Pull-Down Resistors
■ High Output Breakdown Voltage
■ Single or Split Supply Operation
ABSOLUTE MAXIMUM RATINGS
at TA= +25°C
■ Automotive Capable
Supply Voltage, VBB . . . . . . . . . . . . . . . 85 V
Input Voltage, VIN . . . . . . . . . . . . . . . . . 20 V
Output Current, IOUT . . . . . . . . . . . . -40 mA
Allowable Package Power Dissipation,
PD . . . . . . . . . . . . . . . . . . . . See Graph
Operating Temperature Range,
TA . . . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . -55°C to +150°C
Caution: The high input impedance of these
devices makes them susceptible to static
discharge damage associated with handling and
testing. Techniques similar to those used for
handling MOS devices should be employed.
Always order by complete part number, e.g., UDN6118A .
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
PARTIAL SCHEMATIC
UDN6118A
ONE DRIVER (ALL TYPES)
V
18
1
BB
30K
2
17
3
16
4
15
27K
R
IN
6
13
7
12
8
11
9
OUTPUT
R
B
125K
GND
Dwg. No. A-10,592C
V
BB 10
Dwg. PP-065
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
15K
INPUT
14
5
RIN
RB
10 kΩ
30 kΩ
2.5
2.0
SUFFIX 'A', R θJA = 60°C/W
1.5
1.0
SUFFIX 'LW', R θJA = 70°C/W
0.5
0
25
50
75
100
125
AMBIENT TEMPERATURE IN °C
150
Dwg. GS-009-1
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1977, 2000 Allegro MicroSystems, Inc.
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
ELECTRICAL CHARACTERISTICS (over operating temperature range) at VBB = 80 V.
Characteristic
Symbol
Test Conditions
Min.
Limits
Typ.
Max.
Units
Output Leakage Current
IOUT
VIN = 0.4 V
—
—
15
µA
Output OFF Voltage
VOUT
VIN = 0.4 V
—
—
1.0
V
Output Pull-Down Current
IOUT
Input Open, VOUT = VBB
450
650
1100
µA
Output ON Voltage
VOUT
VIN = 2.4 V, IOUT = -25 mA
77
78
—
V
VIN = 2.4 V
—
120
225
µA
VIN = 5.0 V
—
375
650
µA
All Inputs Open
—
10
100
µA
All Inputs = 2.4 V
—
6.0
9.0
mA
Min.
Typ.
Limits
Max.
Units
Input ON Current
Supply Current
IIN
IBB
RECOMMENDED OPERATING CONDITIONS
Characteristic
Symbol
Test Conditions
Supply Voltage
VBB
5.0
—
70
V
Input ON Voltage
VIN
2.4
—
15
V
Output ON Current
IOUT
—
—
-25
mA
NOTE: Positive (negative) current is defined as going into (coming out of) the specified device terminal.
www.allegromicro.com
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
TYPICAL MULTIPLEXED FLUORESCENT DISPLAY
VBB
SEGMENT SELECT
b
1
a
2
17
f
3
16
g
4
15
e
5
14
d
6
13
c
7
12
dp
8
11
9
VBB 10
18
DIGIT SELECT
UDN6118
D1
1
D2
2
17
D3
3
16
D4
D5
D6
4
15
5
14
6
13
D7
7
12
D8
8
11
9
VBB 10
18
VBIAS
VFIL
Dwg. No. A-10,261B
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
UDN6118A
Dimensions in Inches
(controlling dimensions)
18
0.014
0.008
10
0.430
MAX
0.280
0.240
0.300
BSC
1
0.070
0.045
0.100
0.920
0.880
9
0.005
BSC
MIN
0.210
MAX
0.015
0.150
0.115
MIN
0.022
0.014
Dwg. MA-001-18A in
Dimensions in Millimeters
(for reference only)
18
0.355
0.204
10
10.92
MAX
7.11
6.10
7.62
BSC
1
1.77
1.15
2.54
23.37
22.35
9
0.13
BSC
MIN
5.33
MAX
0.39
3.81
2.93
MIN
0.558
0.356
NOTES: 1.
2.
3.
4.
Exact body and lead configuration at vendor’s option within limits shown.
Lead spacing tolerance is non-cumulative.
Lead thickness is measured at seating plane or below.
Supplied in standard sticks/tubes of 21 devices.
www.allegromicro.com
Dwg. MA-001-18A mm
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
A6118SLW
Dimensions in Inches
(for reference only)
20
11
0.0125
0.0091
0.419
0.394
0.2992
0.2914
0.050
0.016
0.020
0.013
1
2
0.050
3
0.5118
0.4961
0° TO 8°
BSC
0.0926
0.1043
Dwg. MA-008-20 in
0.0040 MIN.
Dimensions in Millimeters
(controlling dimensions)
20
11
0.32
0.23
10.65
10.00
7.60
7.40
1.27
0.40
0.51
0.33
1
2
1.27
3
13.00
12.60
BSC
0° TO 8°
2.65
2.35
0.10 MIN.
Dwg. MA-008-20 mm
NOTES:1. Exact body and lead configuration at vendor’s option within limits shown.
2. Lead spacing tolerance is non-cumulative.
3. Supplied in standard sticks/tubes of 37 devices or add “TR” to part number for tape and reel.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
The products described here are manufactured under one or more
U.S. patents or U.S. patents pending.
Allegro MicroSystems, Inc. reserves the right to make, from time to
time, such departures from the detail specifications as may be required
to permit improvements in the performance, reliability, or
manufacturability of its products. Before placing an order, the user is
cautioned to verify that the information being relied upon is current.
Allegro products are not authorized for use as critical components
in life-support devices or systems without express written approval.
The information included herein is believed to be accurate and
reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringement of patents or other rights of
third parties which may result from its use.
www.allegromicro.com
6118
VACUUM FLUORESCENT
DISPLAY DRIVER
HIGH-VOLTAGE (≥60 V) PERIPHERAL POWER
AND DISPLAY DRIVERS
IN ORDER OF 1) OUTPUT VOLTAGE, 2) OUTPUT CURRENT, 3) NUMBER OF DRIVERS
Output Ratings*
Serial
Input
Latched
Drivers
Features
Diode Saturated Internal
Clamp
Outputs Protection
V
mA
#
Part Number †
60
-25
-25
-25
-25
-25
300
600
600
700
700
4000
8
10
12
20
32
4
4
4
4
4
4
–
X
X
X
X
–
–
–
–
–
–
X
X
X
X
X
–
–
–
–
–
–
–
Active Pull-Down
Active Pull-Down
Active Pull-Down
Active Pull-Down
X
–
X
X
X
X
–
–
–
–
–
X
X
X
X
X
–
–
–
–
–
–
X
X
X
X
X
–
5815
5810-F and 6810
5811 and 6811
5812-F and 6812
5818-F and 6818
2557
2547
2549
2559
2543
2944
80
-350
350
350
-350
8
8
8
8
–
X
X
X
–
X
X
X
X
–
X
X
–
–
–
–
–
–
–
–
2983
5822
5842
5890
95
300
350
7
7
–
–
–
–
X
X
–
–
–
–
2023
2024
* Current is maximum test condition; voltage is absolute maximum allowable.
Negative current is defined as coming out of (sourcing) the output.
† Complete part number includes additional characters to indicate operating temperature range and package style.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000