7447 BCD to 7-segment Decoder/Driver (Open Collector)

SKU: 7447 Categories: ,

EGP14.00

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Description

7447 BCD to 7-Segment Decoder/Driver Datasheet

Photograph

7447 - 7447 BCD to 7-Segment Decoder/Driver

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

TTL 7447 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
DIP16 IC 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 Current@MAX 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

Specification

Shipping Info

Weight

0.00 g