7447 BCD to 7-Segment Decoder/Driver Datasheet

Photograph

Features

• Single BCD to 7-Segment Decoder with Open Collector Output
• Outputs Directly Interface to CMOS, NMOS and TTL
• Large Operating Voltage Range
• Wide Operating Conditions

Pin Layout

Pin Description

Pin Number	Description
1	BCD B Input
2	BCD C Input
3	Lamp Test
4	RB Output
5	RB Input
6	BCD D Input
7	BCD A Input
8	Ground
9	7-Segment e Output
10	7-Segment d Output
11	7-Segment c Output
12	7-Segment b Output
13	7-Segment a Output
14	7-Segment g Output
15	7-Segment f Output
16	Vcc - Positive Supply

Dimensional Drawing

 

Technical Data

Absolute Maximum Ratings

Supply Voltage	7V
Input Voltage	5.5V
Operating Free Air Temperature	0°C to +70°C
Storage Temperature Range	-65°C to +150°C

Recommended Operating Conditions

Symbol	Parameter	Min	Typ	Max	Units
Vcc	Supply Voltage	4.75	5	5.25	V
Vih	HIGH Level Input Voltage	2			V
Vil	LOW Level Input Voltage			0.8	V
Ioh	HIGH Level Output Current			-0.4	mA
Iol	LOW Level Output Current			16	mA
Ta	Free Air Operating Temperature	0		70	°C

Electrical Characteristics

Symbol	Parameter	Conditions	Min	Typ	Max	Units
Vi	Input Clamp Voltage	Vcc=Min Ii=-12mA			-1.5	V
Voh	HIGH Level Output Voltage	Vcc=Min Ioh=MAX Vil=MAX	2.4	3.4		V
Vol	LOW Level Output Voltage	Vcc=Min Iol=MAX Vih=MAX		0.2	0.4	V
Ii	Input [email protected] Input Voltage	Vcc=Max Vi=5.5V			1	mA
Iih	HIGH Level Input Current	Vcc=Max Vi=2.4V			40	µA
Iil	LOW Level Input Current	Vcc=Max Vi=0.4V			-1.6	mA
Ios	Short Circuit Output Current	Vcc=Max	-18		-55	mA
Icch	Supply Current with Outputs HIGH	Vcc=Max		4	8	mA
Iccl	Supply Current with Outputs LOW	Vcc=Max		12	22	mA

Switching Characteristics at Vcc=5V,Ta=25°C

Symbol	Parameter	Conditions	Min	Typ	Max	Units
tplh	Propagation Delay Time LOW-to-HIGH Level Output	Cl=15pF Rl=400R			22	nS
tphl	Propagation Delay Time HIGH-to-LOW Level Output	Cl=15pF Rl=400R			15	nS

Features

• Four 2-Input Logic AND Gates
• Outputs Directly Interface to CMOS, NMOS and TTL
• Large Operating Voltage Range
• Wide Operating Conditions

 

 

Pin Layout

Pin Description

Pin Number	Description
1	A Input Gate 1
2	B Input Gate 1
3	Y Output Gate 1
4	A Input Gate 2
5	B Input Gate 2
6	Y Output Gate 2
7	Ground
8	Y Output Gate 3
9	B Input Gate 3
10	A Input Gate 3
11	Y Output Gate 4
12	B Input Gate 4
13	A Input Gate 4
14	Vcc - Positive Supply

Dimensional Drawing

 

Technical Data

Absolute Maximum Ratings

Supply Voltage	7V
Input Voltage	5.5V
Operating Free Air Temperature	0°C to +70°C
Storage Temperature Range	-65°C to +150°C

Recommended Operating Conditions

Symbol	Parameter	Min	Typ	Max	Units
Vcc	Supply Voltage	4.75	5	5.25	V
Vih	HIGH Level Input Voltage	2			V
Vil	LOW Level Input Voltage			0.8	V
Ioh	HIGH Level Output Current			-0.4	mA
Iol	LOW Level Output Current			16	mA
Ta	Free Air Operating Temperature	0		70	°C

Electrical Characteristics

Symbol	Parameter	Conditions	Min	Typ	Max	Units
Vi	Input Clamp Voltage	Vcc=Min Ii=-12mA			-1.5	V
Voh	HIGH Level Output Voltage	Vcc=Min Ioh=MAX Vil=MAX	2.4	3.4		V
Vol	LOW Level Output Voltage	Vcc=Min Iol=MAX Vih=MAX		0.2	0.4	V
Ii	Input [email protected] Input Voltage	Vcc=Max Vi=5.5V			1	mA
Iih	HIGH Level Input Current	Vcc=Max Vi=2.4V			40	µA
Iil	LOW Level Input Current	Vcc=Max Vi=0.4V			-1.6	mA
Ios	Short Circuit Output Current	Vcc=Max	-18		-55	mA
Icch	Supply Current with Outputs HIGH	Vcc=Max		4	8	mA
Iccl	Supply Current with Outputs LOW	Vcc=Max		12	22	mA

Switching Characteristics at Vcc=5V,Ta=25°C

Symbol	Parameter	Conditions	Min	Typ	Max	Units
tplh	Propagation Delay Time LOW-to-HIGH Level Output	Cl=15pF Rl=400R			22	nS
tphl	Propagation Delay Time HIGH-to-LOW Level Output	Cl=15pF Rl=400R

An MB102 830 Points Solderless Prototype PCB Breadboard is an invaluable tool for experimenting with circuit designs whether in the R&D or university lab. A breadboard is used to make up temporary circuits for testing or to try out an idea. No soldering is required so it is easy to change connections and replace components.

NOTE: The breadboard is slightly concave at the base.

Note: The product is shown in the above images may be varied in terms of the brand.

Features :

1. Mb102 Bread Board
2. 830 Solder-less Points
3. Ideal for Experimenting With Circuit Design In Labs
4. Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components
5. Completely reusable
6. Colored coordinates for easy components placement.
7. Phosphor bronze nickel plated spring clips.
8. Accept a variety of wire sizes 20-29 AWG

Package Includes :

1 x Piece Brand New MB102 Breadboard

7402 - 7402 Quad 2-Input NOR Gate Datasheet

Features

1. Four Independent 2-Input NOR Gates
2. Outputs Directly Interface to CMOS, NMOS and TTL
3. Large Operating Voltage Range
4. Wide Operating Conditions

Pin Layout

Pin Description

Pin Number	Description
1	Y Output Gate 1
2	A Input Gate 1
3	B Input Gate 1
4	Y Output Gate 2
5	A Input Gate 2
6	B Input Gate 2
7	Ground
8	A Input Gate 3
9	B Input Gate 3
10	Y Output Gate 3
11	A Input Gate 4
12	B Input Gate 4
13	Y Output Gate 4
14	Vcc - Positive Supply

Dimensional Drawing

 

Technical Data

Absolute Maximum Ratings

Supply Voltage	7V
Input Voltage	5.5V
Operating Free Air Temperature	0°C to +70°C
Storage Temperature Range	-65°C to +150°C

Recommended Operating Conditions

Symbol	Parameter	Min	Typ	Max	Units
Vcc	Supply Voltage	4.75	5	5.25	V
Vih	HIGH Level Input Voltage	2			V
Vil	LOW Level Input Voltage			0.8	V
Ioh	HIGH Level Output Current			-0.4	mA
Iol	LOW Level Output Current			16	mA
Ta	Free Air Operating Temperature	0		70	°C

Electrical Characteristics

Symbol	Parameter	Conditions	Min	Typ	Max	Units
Vi	Input Clamp Voltage	Vcc=Min Ii=-12mA			-1.5	V
Voh	HIGH Level Output Voltage	Vcc=Min Ioh=MAX Vil=MAX	2.4	3.4		V
Vol	LOW Level Output Voltage	Vcc=Min Iol=MAX Vih=MAX		0.2	0.4	V
Ii	Input [email protected] Input Voltage	Vcc=Max Vi=5.5V			1	mA
Iih	HIGH Level Input Current	Vcc=Max Vi=2.4V			40	µA
Iil	LOW Level Input Current	Vcc=Max Vi=0.4V			-1.6	mA
Ios	Short Circuit Output Current	Vcc=Max	-18		-55	mA
Icch	Supply Current with Outputs HIGH	Vcc=Max		4	8	mA
Iccl	Supply Current with Outputs LOW	Vcc=Max		12	22	mA

Switching Characteristics at Vcc=5V,Ta=25°C

Symbol	Parameter	Conditions	Min	Typ	Max	Units
tplh	Propagation Delay Time LOW-to-HIGH Level Output	Cl=15pF Rl=400R			22	nS
tphl	Propagation Delay Time HIGH-to-LOW Level Output	Cl=15pF Rl=400R			15	nS