CD4511BC Datasheet PDF - National Semiconductor
Part Number | CD4511BC | |
Description | BCD-to-7 Segment Latch/Decoder/Driver | |
Manufacturers | National Semiconductor | |
Logo | ||
There is a preview and CD4511BC download ( pdf file ) link at the bottom of this page. Total 8 Pages |
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CD4511BM CD4511BC BCD-to-7 Segment
Latch Decoder Driver
General Description
The CD4511BM CD4511BC BCD-to-seven segment latch
decoder driver is constructed with complementary MOS
(CMOS) enhancement mode devices and NPN bipolar out-
put drivers in a single monolithic structure The circuit pro-
vides 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 emit-
ting 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
Y Low logic circuit power dissipation
Y High current sourcing outputs (up to 25 mA)
Y Latch storage of code
Y Blanking input
Y Lamp test provision
Y Readout blanking on all illegal input combinations
Y Lamp intensity modulation capability
Y Time share (multiplexing) facility
Y Equivalent to Motorola MC14511
Connection Diagram
Dual-In-Line Package
Top View
Order Number CD4511B
Segment Identification
TL F 5991 – 1
Truth Table
Inputs
Outputs
LE BI LT D C B A a b c d e f g Display
X X 0 XXXX1111111
X 0 1 XXXX0000000
0 1 1 0 0 0 01111110
0 1 1 0 0 0 10110000
0 1 1 0 0 1 01101101
0 1 1 0 0 1 11111001
0 1 1 0 1 0 00110011
0 1 1 0 1 0 11011011
0 1 1 0 1 1 00011111
0 1 1 0 1 1 11110000
0 1 1 1 0 0 01111111
0 1 1 1 0 0 11110011
0 1 1 1 0 1 00000000
0 1 1 1 0 1 10000000
0 1 1 1 1 0 00000000
0 1 1 1 1 0 10000000
0 1 1 1 1 1 00000000
0 1 1 1 1 1 10000000
1 1 1 XXXX
B
0
1
2
3
4
5
6
7
8
9
X e Don’t Care
Depends upon the BCD code applied during the 0 to 1 transition of LE
Display
TL F 5991–3
TL F 5991 – 2
C1995 National Semiconductor Corporation TL F 5991
RRD-B30M105 Printed in U S A
|
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Switching Time Waveforms
Typical Applications
FIGURE 1
Light Emitting Diode (LED) Readout
TL F 5991 – 4
TL F 5991 – 5
5
TL F 5991 – 6
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for CD4511BC electronic component. |
Information | Total 8 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ CD4511BC.PDF Datasheet ] |
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