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4511B

Fairchild Semiconductor Corp
Part Number 4511B
Manufacturer Fairchild Semiconductor Corp
Description BCD-to-7 Segment Latch/Decoder/Driver
Published Apr 3, 2005
Detailed Description CD4511BC BCD-to-7 Segment Latch/Decoder/Driver October 1987 Revised April 2002 CD4511BC BCD-to-7 Segment Latch/Decoder...
Datasheet PDF File 4511B PDF File

4511B
4511B

Overview
CD4511BC BCD-to-7 Segment Latch/Decoder/Driver October 1987 Revised April 2002 CD4511BC BCD-to-7 Segment Latch/Decoder/Driver General Description The CD4511BC 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.
Features s Low logic circuit power dissipation s High current sourcing outputs (up to 25 mA) s Latch storage of code s Blanking input s Lamp test provision s Readout blanking on all illegal input combinations s Lamp intensity modulation capability s Time share (multiplexing) facility s Equivalent to Motorola MC14511 Ordering Code: Order Number Package Number Package Description CD4511BCWM M16B 16-Lead Small Outline Intergrated Circuit (SOIC), JEDEC MS-013, 0.
300" Wide CD4511BCN N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.
300" Wide Devices also available in Tape and Reel.
Specify by appending suffix letter “X” to the ordering code.
Connection Diagrams Segment Identification Top View © 2002 Fairchild Semiconductor Corporation DS005991 www.
fairchildsemi.
com CD4511BC Truth Table Inputs Outputs LE BI LT D C B A a b c d e f g Display X X 0 XX X X 1 1 11 1 1 1 B X 0 1 X X XX 0 0 0 0 00 0 01 1 0 0 0 01 1 1 1 1 10 0 0 11 0 0 0 1 01 1 0 0 0 0 1 ...


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