ds8881 National Semiconductor Corporation, ds8881 Datasheet

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ds8881

Manufacturer Part Number
ds8881
Description
Vacuum Fluorescent Display Driver
Manufacturer
National Semiconductor Corporation
Datasheet

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C 1995 National Semiconductor Corporation
DS8881 Vacuum Fluorescent Display Driver
General Description
The DS8881 vacuum fluorescent display driver will drive
16-digit grids of a vacuum fluorescent display The decode
inputs select one of the sixteen outputs to be pulled high
The device contains an oscillator for supplying clock signals
to the MOS circuit the filament bias zener and 50 kX pull-
down resistors for each grid Outputs will source up to 7 mA
The DS8881 is designed for 9V operation If the enable in-
put is pulled low all outputs are disabled
Connection Diagram
Truth Table
E
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
N
D
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
X
Inputs
C
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
B
L
L
L
L
L
L
L
L
X
All outputs now shown high are off (low)
A
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
TL F 5846
H
0
L
H
1
L
H
2
L
See NS Package Number N28B
H
3
L
Order Number DS8881N
H
4
L
Top View
H
5
L
Features
Y
Y
Y
Y
H
6
L
Oscillator frequency accuracy and stability allows maxi-
mum system speed
Interdigit blanking with the enable input provides ghost-
free display operation
50 kX pull-down resistors for each grid
7V filament bias zener
Digit Outputs
H
7
L
H
8
L
H
9
L
10
H
L
11
H
L
TL F 5846 – 1
12
H
L
RRD-B30M105 Printed in U S A
13
H
L
May 1988
14
H
L
15
H
L

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ds8881 Summary of contents

Page 1

... The device contains an oscillator for supplying clock signals to the MOS circuit the filament bias zener and 50 kX pull- down resistors for each grid Outputs will source The DS8881 is designed for 9V operation If the enable in- put is pulled low all outputs are disabled Connection Diagram ...

Page 2

Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage (V – Input Current Output Current Storage Temperature Maximum Power Dissipation at ...

Page 3

Switching Characteristics Symbol Parameter t Propagation Delay to a Logical ‘‘0’’ pd0 from Enable Input to Digit Output t Propagation Delay to a Logical ‘‘0’’ pd0 Digit Output t Propagation Delay to a Logical ‘‘1’’ ...

Page 4

Switching Time Waveforms Input-Output Schematics Duty Cycle Frequency from 10% to 90% of input 5846 – 5846 – 5846 – 5846 ...

Page 5

5 ...

Page 6

... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Molded Dual-In-Line Package (N) Order Number DS8881N NS Package Number N28B 2 A critical component is any component of a life ...

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