MM5452 NSC | Alldatasheet
Document overview
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Technical content
Features
Y DATA ENABLE (MM5452) Y Wide power supply operation Y TTL compatibility Y 32 or 33 outputs Y Alphanumeric and bar graph capability Y Cascaded operation capability
Applications
Y COPSTM or microprocessor displays Y Industrial control indicator Y Digital clock, thermometer, counter, voltmeter Y Instrumentation readouts Y Remote displays Block Diagram TL/F/6137–1 FIGURE 1 COPSTM is a trademark of National Semiconductor Corp. C1995 National Semiconductor Corporation RRD-B30M105/Printed in U. S. A.
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Voltage at Any Pin V SS to V SS a 10V Operating Temperature 0 §Ct o a70§C Storage Temperature b65§Ct o a150§C Power Dissipation 300 mW at a70§C 350 mW at a25§C Junction Temperature a150§C Lead Temperature (Soldering, 10 sec.) 300 §C
Electrical Characteristics
TA within operating range, V DD e 3.0V to 10V, V SS e 0V, unless otherwise specified Parameter Conditions Min Typ Max Units Power Supply 3 10 V Power Supply Current Excluding Outputs OSC e VSS,B PI N @ 32 Hz 40 mA VDD e 5V, Open Outputs, No Clock 10 mA Clock Frequency 500 kHz Input Voltages Logical ‘0’ Level V DD k 4.75 b0.3 0.1 V DD V VDD t 4.75 b0.3 0.8 V Logical ‘1’ Level V DD l 5.25 0.8 V DD VDD V VDD s 5.25 2.0 V DD V Output Current Levels Segments Sink V DD e 3V, V OUT e 0.3V b20 mA Source V DD e 3V, V OUT e VDD b 0.3V 20 mA Backplane Sink V DD e 3V, V OUT e 0.3V b320 mA Source V DD e 3V, V OUT e VDD b 0.3V 320 mA Output Offset Voltage Segment Load 250 pF g50 mVBackplane Load 8750 pF (Note 1) Clock Input Frequency, f C (Notes 2 and 3) 500 kHz High Time, t h 950 ns Low Time, t l 950 ns Data Input Set-Up Time, t DS 300 ns Hold Time, t DH 300 ns Data Enable Input 100 nsSet-Up Time, t DES Note 1: This parameter is guaranteed (not 100% production tested) over operating temperature and supply voltage ranges. Not to be used in Q.A. testing. Note 2: AC input waveform for test purpose: t r s 20 ns, t f s 20 ns, f e 500 kHz, 50% g10% duty cycle. Note 3: Clock input rise and fall times must not exceed 300 ns.
MM5452/MM5453 Liquid Crystal Display Drivers Physical Dimensions inches (millimeters) (Continued) Plastic Chip Carrier (V) Order Number MM5452V or MM5453V LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd.
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