74LS47 BCD to 7-Segment Decoder/Driver IC (7447 IC) DIP-16 Package

The 74LS47 accepts four lines of BCD (8421) input data, generates their complements internally and decodes the data with seven AND/OR gates having open-collector outputs to drive indicator segments directly. Each segment output is guaranteed to sink 24 mA in the ON (LOW) state and withstand 15V in the OFF (HIGH) state with a maximum leakage current of 250 ?A. Auxiliary inputs provided blanking, lamp test and cascadable zero-suppression functions.

SKU: RW-02389

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Description

The 74LS47 accepts four lines of BCD (8421) input data, generates their complements internally and decodes the data with seven AND/OR gates having open-collector outputs to drive indicator segments directly. Each segment output is guaranteed to sink 24 mA in the ON (LOW) state and withstand 15V in the OFF (HIGH) state with a maximum leakage current of 250 ?A. Auxiliary inputs provided blanking, lamp test and cascadable zero-suppression functions.

Features:- 

? Open-collector outputs 

? Drive indicator segments directly 

? Cascadable zero-suppression capability 

? Lamp test input

Specifications:-

Parameter Specification
Supply Voltage (VCC) 7 V
Input Voltage (VI) 7 V
Operating free-air temperature range 0?C to +70?C 
Storage temperature range ?65?C to +150?C


Related Document:-

 74LS47 IC Datasheet

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

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