MSC7166GS-K [OKI]
Vacuum Fluorescent Driver, 16-Segment, PDSO24, PLASTC, SOP-24;
| 型号： | MSC7166GS-K |
| 厂家： | 
OKI ELECTRONIC COMPONETS |
| 描述： | Vacuum Fluorescent Driver, 16-Segment, PDSO24, PLASTC, SOP-24 光电二极管 |
| 文件： | 总8页 (文件大小：112K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
E2C0032-27-Y2
This version: Nov. 1997
Previous version: Jul. 1996
¡ Semiconductor
MSC7166
16-Bit Grid Driver with 4 to 16-Decoder
GENERAL DESCRIPTION
The MSC7166 is a driver IC designed to directly drive the grids of a vacuum fluorescent display
tube.
Since this IC has a built-in 4 to 16-line decoder and 16 output circuits, a signal device of MSC7166
can replace a set of the following three: two devices of either MSL912 or MSL918 and one device
of either MSM4514 or MSM74HC4514.
Setting the DUTY pin to the "L" level makes all driver outputs go "L". Blanking can be set using
this function.
FEATURES
• Logic supply voltage
• Driver supply voltage
• Driver output current I
I
: 5V
: 65V
: –40 mA
: 1 mA
OH
OL
• Can be directly connected to VF display tube without pull-down resistor
• Built-in 4- to 16-line decoder
• Brightness can be adjusted by DUTY pin
• Package
24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name: MSC7166GS-K)
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¡ Semiconductor
MSC7166
BLOCK DIAGRAM
VDISP(+)
VDD
S 1
S 2
S 3
S 4
S 5
S 6
S 7
S 8
S 9
S10
S11
GRID 1
GRID 2
GRID 3
SEL0
GRID 4
GRID 5
SEL1
SEL2
GRID 6
GRID 7
GRID 8
GRID 9
GRID10
GRID11
GRID12
GRID13
GRID14
GRID15
GRID16
4 to 16
DECODER
SEL3
S12
S13
S14
S15
S16
DUTY
VSS
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¡ Semiconductor
MSC7166
INPUT AND OUTPUT CONFIGURATION
Schematic Diagram of Logic Input Circuit
VDD
VDD
Input
VSS
VSS
VSS
Schematic Diagram of Driver Output Citcuit
VDISP(+) VDISP(+)
Output
VSS
VSS
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¡ Semiconductor
MSC7166
PIN CONFIGURATION (TOP VIEW)
GRID 1
GRID 2
GRID 3
GRID 4
GRID 5
GRID 6
GRID 7
GRID 8
GRID 9
GRID10
GRID11
1
2
VSS
24
23
SEL 0
3
22 SEL 1
SEL 2
20 SEL 3
21
4
5
DUTY
VDD
6
19
18
17
7
VDISP(+)
8
16 GRID 13
9
GRID 14
GRID 15
15
14
10
11
GRID12 12
13 GRID 16
24-pin Plastic SOP
PIN DESCRIPTIONS
Symbol
Type
Description
SEL0-3
I
4- to 16-line decoder input pins.
The input 4-bit binary signals are converted into hexadecimal signals, then output through
driver output pins.
DUTY
I
Duty control signal input pin.
Setting this pin to "L" makes all driver outputs go "L", so this pin can be used for brightness
control.
GRID1-16
O
High withstand voltage driver output pins for driving fluorescent display tube.
These pins can directly be connected to the grid of fluorescent display tude without
pull-down resistor.
VDISP(+)
VDD
—
—
—
Power supply pin for the fluorescent display tube driver circuit.
Logic power supply pin.
VSS
Ground pin.
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¡ Semiconductor
MSC7166
ABSOLUTE MAXIMUM RATINGS
Parameter
Logic Supply Voltage
Driver Supply Voltage
Input Voltage
Symbol
VDD
Condition
Rating
–0.3 to +6.5
–0.3 to +70
–0.3 to VDD+0.3
790
Unit
Applied to logic supply pin
Applied to driver supply pin
Applied to all input pins
V
V
*1
VDISP(+)
VIN
*1,2
*1
V
<
Power Dissipation
PD
Ta 25°C
=
mW
Thermal Resistance of Package
Storage Temperature
Rj-a
—
—
158
*3 °C/W
°C
TSTG
–55 to +150
*1 The maximum supply voltage for V .
SS
*2 Permanentdamagetothedevicemaybecausedifthevoltageissuppliedoverthetheabsolute
maximum rating value.
*3 Thermal resistance of the package (between junction and atmosphere).
Thejunctiontemperature(Tj)givenbytheequationindicatedbelowshouldnotexceed150°C.
Tj=P ¥ R + Ta (P: maximum power consumption of IC)
j-a
RECOMMENDED OPERATING CONDITIONS
Parameter
Logic Supply Voltage
Driver Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Operating Temperature
Input Pulse Rise Time
Input Pulse Fall Time
Symbol
VDD
VDISP(+)
VIH
Condition
Applied to logic supply pin
Applied to driver supply pin
Applied to all input pins
Applied to all input pins
Applied to all driver output pins
Applied to all driver output pins
—
Min.
4.5
8
Max.
5.5
65
Unit
V
V
3.1
—
—
V
VIL
1.7
–40
1.0
85
V
IOH
—
mA
mA
°C
ms
ms
IOL
—
Top
–40
—
Applied to all input pins
Applied to all input pins
tr
1.0
1.0
tf
—
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¡ Semiconductor
MSC7166
ELECTRICAL CHARACTERISTICS
DC Characteristics
(VDD=4.5 to 5.5V,VDISP(+)=8 to 65V,Ta=–40 to +85°C)
Parameter
Symbol
IDD1
Condition
No load, 1 output H
No load, DUTY=L
No load, 1 output H
No load, DUTY=L
—
Min.
—
Typ.
—
Max. Unit
Logic Supply Current
4.8
5.0
0.3
1.0
1
mA
mA
mA
mA
mA
mA
V
IDD2
—
—
Driver Supply Current
IDISP1
IDISP2
IIH
—
—
—
—
High Level Input Current
Low Level Input Current
High Level Output Voltage
—
—
IIL
—
—
—
1
VOH
IOH=–40mA
VDISP(+)
–4
—
—
Low Level Output Voltage
VOL
IOL=1mA
—
—
2.5
V
AC Characteristics
(VDD=4.5 to 5.5V,VDISP(+)=8 to 65V,Ta=–40 to +85°C)
Parameter
Delay Time L to H
Symbol
Condition
Min.
—
Typ.
0.3
Max. Unit
tDLH
tTLH
tDHL
tTHL
CL=10pF, See figure below
CL=10pF, See figure below
CL=10pF, See figure below
CL=10pF, See figure below
1.0
4.0
1.0
4.0
ms
ms
ms
ms
Transient Time L to H
Delay Time H to L
—
2.0
—
0.3
Transient Time H to L
—
2.0
tr
tf
90%
50%
90%
50%
DUTY
SELn
10%
10%
tDLH
tDHL
90%
90%
10%
10%
GRIDn
tTLH
tTHL
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¡ Semiconductor
MSC7166
FUNCTION DESCRIPTION
Functional Table
SEL
GRID
DUTY
0
X
L
1
X
L
2
X
L
L
L
L
3
X
L
L
L
L
1
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
2
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
3
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
4
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
5
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
6
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
7
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
8
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
9
10 11 12 13 14 15 16
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
H
H
H
L
H
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
L
L
H
H
L
L
H
H
H
H
H
H
H
H
H
L
L
L
H
H
L
L
H
L
L
H
H
H
H
H
L
L
H
H
H
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¡ Semiconductor
MSC7166
PACKAGE DIMENSIONS
(Unit : mm)
SOP24-P-430-1.27-K
Mirror finish
Package material
Lead frame material
Pin treatment
Solder plate thickness
Package weight (g)
Epoxy resin
42 alloy
Solder plating
5 mm or more
0.58 TYP.
Notes for Mounting the Surface Mount Type Package
The SOP, QFP, TSOP, SOJ, QFJ (PLCC), SHP and BGA are surface mount type packages, which
are very susceptible to heat in reflow mounting and humidity absorbed in storage.
Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the
product name, package name, pin number, package code and desired mounting conditions
(reflow method, temperature and times).
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