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MM5480N Datasheet

  • MM5480N

  • LED Display Driver

  • 136.39KB

  • 7頁

  • NSC

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MM5480 LED Display Driver
February 1995
MM5480 LED Display Driver
General Description
The MM5480 is a monolithic MOS integrated circuit utilizing
N-channel metal gate low threshold enhancement mode
and ion-implanted depletion mode devices It utilizes the
MM5451 die packaged in a 28-pin package making it ideal
for a 3 digit display The MM5480 is designed to drive
common anode-separate cathode LED displays A single
pin controls the LED display brightness by setting a refer-
ence current through a variable resistor connected either to
V
DD
or to a separate supply of 11V maximum
Y
Y
Y
Y
Y
No load signal required
Wide power supply operation
TTL compatibility
Alphanumeric capability
3 digit displays
Applications
Y
Y
Y
Y
Y
Features
Y
Y
Continuous brightness control
Serial data input
COPS
TM
microcontrollers or microprocessor displays
Industrial control indicator
Relay driver
Digital clock thermometer counter voltmeter
Instrumentation readouts
Block Diagram
TL F 6138 鈥?1
FIGURE 1
Connection Diagram
Dual-In-Line Package
Order Number MM5480N
See NS Package Number N28B
TL F 6138 鈥?2
Top View
FIGURE 2
COPS
TM
microcontrollers is a trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL F 6138
RRD-B30M105 Printed in U S A

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