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National Semiconductor Electronic Components Datasheet

CD4511BC Datasheet

BCD-to-7 Segment Latch/Decoder/Driver

No Preview Available !

February 1988
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


National Semiconductor Electronic Components Datasheet

CD4511BC Datasheet

BCD-to-7 Segment Latch/Decoder/Driver

No Preview Available !

Absolute Maximum Ratings (Notes 1 2)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
DC Supply Voltage (VDD)
Input Voltage (VIN)
Storage Temperature Range (TS)
Power Dissipation (PD)
Dual-In-Line
Small Outline
b0 5V to a18V
b0 5V to VDD a0 5V
b65 C to a150 C
700 mW
500 mW
Lead Temperature (TL)
(Soldering 10 seconds)
260 C
Recommended Operating
Conditions (Note 2)
DC Supply Voltage (VDD)
3V to 15V
Input Voltage (VIN)
0V to VDD
Operating Temperature Range (TA)
CD4510BM CD4516BM
CD4510BC CD4516BC
b55 C to a125 C
b40 C to a85 C
DC Electrical Characteristics CD4511BM
Symbol Parameter
Conditions
b55 C
a25 C
a125 C
Units
Min Max Min Typ Max Min Max
IDD Quiescent VDD e 5V VIN e VDD or VSS
Supply Current VDD e 10V VIN e VDD or VSS
VDD e 15V VIN e VDD or VSS
VOL Output Voltage VDD e 5V
Logical ‘‘0’’
VDD e 10V
Level
VDD e 15V
VOH
Output Voltage
Logical ‘‘1’’
Level
VDD e 5V
VDD e 10V
VDD e 15V
VIL Low Level VDD e 5V VOUT e 3 8V or 0 5V
Input Voltage VDD e 10V VOUT e 8 8V or 1 0V
VDD e 15V VOUT e 13 8V or 1 5V
VIH High Level VDD e 5V VOUT e 0 5V or 3 8V
Input Voltage VDD e 10V VOUT e 1 0V or 8 8V
VDD e 15V VOUT e 1 5V or 13 8V
VOH
Output
(Source) Drive
Voltage
VDD e 5V IOH e 0 mA
VDD e 5V IOH e 5 mA
VDD e 5V IOH e 10 mA
VDD e 5V IOH e 15 mA
VDD e 5V IOH e 20 mA
VDD e 5V IOH e 25 mA
VDD e 10V IOH e 0 mA
VDD e 10V IOH e 5 mA
VDD e 10V IOH e 10 mA
VDD e 10V IOH e 15 mA
VDD e 10V IOH e 20 mA
VDD e 10V IOH e 25 mA
VDD e 15V IOH e 0 mA
VDD e 15V IOH e 5 mA
VDD e 15V IOH e 10 mA
VDD e 15V IOH e 15 mA
VDD e 15V IOH e 20 mA
VDD e 15V IOH e 25 mA
IOL Low Level VDD e 5V VOL e 0 4V
Output Current VDD e 10V VOL e 0 5V
VDD e 15V VOL e 1 5V
IIN Input Current VDD e 15V VIN e 0V
VDD e 15V VIN e 15V
Note 1 Devices should not be connected with power on
41
91
14 1
35
70
11 0
41
39
34
91
90
86
14 1
14 0
13 6
0 64
16
42
5
10
20
0 01
0 01
0 01
15
30
40
b0 10
0 10
41
91
14 1
35
70
11 0
41
39
34
91
90
86
14 1
14 0
13 6
0 51
13
34
0
0
0
4 57
9 58
14 59
2
4
6
3
6
9
4 57
4 24
4 12
3 94
3 75
3 54
9 58
9 26
9 17
9 04
89
8 75
9 58
14 27
14 17
14 07
13 95
13 8
0 88
2 25
88
b10b5
10b5
5
10
20
0 01
0 01
0 01
15
30
40
b0 10
0 10
41
91
14 1
35
70
11 0
41
35
30
91
86
82
14 1
13 6
13 2
0 36
09
24
150
300
600
0 05
0 05
0 05
15
30
40
b1 0
10
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
2


Part Number CD4511BC
Description BCD-to-7 Segment Latch/Decoder/Driver
Maker National Semiconductor
PDF Download

CD4511BC Datasheet PDF






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