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MC14511B

Part Number	MC14511B
Manufacturer	Motorola
Description	BCD-To-Seven Segment Latch/Decoder/Driver
Published	May 31, 2005
Detailed Description	MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14511B BCD-To-Seven Segment Latch/Decoder/Driver The MC14511B BCD–to–seven seg...
Datasheet	MC14511B PDF File

Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14511B BCD-To-Seven Segment Latch/Decoder/Driver The MC14511B BCD–to–seven segment latch/decoder/driver is constructed with complementary MOS (CMOS) enhancement mode devices and NPN bipolar output drivers in a single monolithic structure.
The circuit provides the functions of a 4–bit storage latch, an 8421 BCD–to–seven segment decoder, and an output drive capability.
Lamp test (LT), blanking (BI), and latch enable (LE) inputs are used to test the display, to turn–off or pulse modulate the brightness of the display, and to store a BCD code, respectively.
It can be used with seven–segment light–emitting diodes (LED), incandescent, fluorescent, gas discharge, or liquid crystal readouts either directly or indirectly.
Applications include instrument (e.
g.
, counter, DVM, etc.
) display driver, computer/calculator display driver, cockpit display driver, and various clock, watch, and timer uses.
• • • • • • • • • • Low Logic Circuit Power Dissipation High–Current Sourcing Outputs (Up to 25 mA) Latch Storage of Code Blanking Input Lamp Test Provision Readout Blanking on all Illegal Input Combinations Lamp Intensity Modulation Capability Time Share (Multiplexing) Facility Supply Voltage Range = 3.
0 V to 18 V Capable of Driving Two Low–power TTL Loads, One Low–power Schottky TTL Load or Two HTL Loads Over the Rated Temperature Range • Chip Complexity: 216 FETs or 54 Equivalent Gates • Triple Diode Protection on all Inputs MAXIMUM RATINGS* (Voltages Referenced to VSS) Rating Symbol VDD Vin I TA PD Tstg IOHmax POHmax DC Supply Voltage Input Voltage, All Inputs DC Current Drain per Input Pin Operating Temperature Range Power Dissipation per Package† Storage Temperature Range Maximum Output Drive Current (Source) per Output Maximum Continuous Output Power (Source) per Output ‡ L SUFFIX CERAMIC CASE 620 P SUFFIX PLASTIC CASE 648 D SUFFIX SOIC CASE 751B DW SUFFIX SOIC CASE 751G ORDERING INFORMATION MC14XXXBCP Plastic MC14XXXBCL Ceramic MC14X...

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