BCD-to-Seven-Segment Decoders/Drivers

The '46A, '47A, and 'LS47 feature active-low outputs designed for driving, common-anode LEDs or incandescent indicators directly. The '48, 'LS48, and 'LS49 feature active-high outputs for driving lamp Buffers or common-cathode LEDs All of the circuits except 'LS49 have full ripple-blanking input/output controls and a lamp test input. The 'LS49 circuit incorporates a direct blanking input. Segment identification and resultant Displays are shown below. Display patterns for BCD input counts above 9 are unique symbols to authenticate input conditions.
The '46A, '47A, '48, 'LS47, and 'LS48 circuits incorporate Automatic leading and/or trailing-edge zero-blanking control (RBI and RBO). Lamp test (LT) of these types may be performed at any time when the BI/RBO node is at a high level. All types (including the '49 and 'LS49) contain an overriding blanking input (BI), which CAN be used to control the lamp intensity by pulsing or to inhibit the outputs. Inputs and outputs are entirely compatible for use with TTL Logic outputs.
The SN54246/SN74246 and '247 and the SN54LS247 SN74LS247 and 'LS248 compose the and the with tails and were designed to offer the designer a choice between two indicator fonts.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74LS47DE4 Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-SOIC 0 to 70
SN74LS47D Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-SOIC 0 to 70
SN74LS47DR Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-SOIC
SN74LS47NE4 Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-PDIP 0 to 70
SN74LS47N3 Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-PDIP 0 to 70
SN74LS47NSR Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-SO 0 to 70
SN74LS47NSRE4 Texas Instruments LS SERIES, SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, SOP-16
SN74LS47NSRG4 Texas Instruments LS SERIES, SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, SOP-16
SN74LS47N Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-PDIP 0 to 70
SN74LS47DG4 Texas Instruments BCD-to-Seven-Segment Decoders/Drivers 16-SOIC 0 to 70
SN74LS47 's PackagesSN74LS47 's pdf datasheet
SN74LS47D SOIC
SN74LS47DE4 SOIC
SN74LS47DG4 SOIC
SN74LS47N PDIP
SN74LS47N3 PDIP
SN74LS47NE4 PDIP
SN74LS47NSR SO
SN74LS47NSRE4 SO
SN74LS47NSRG4 SO




SN74LS47 Pinout, Pinouts
SN74LS47 pinout,Pin out
This is one package pinout of SN74LS47,If you need more pinouts please download SN74LS47's pdf datasheet.

SN74LS47 Application circuits
SN74LS47 circuits
This is one application circuit of SN74LS47,If you need more circuits,please download SN74LS47's pdf datasheet.


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SN74LS47 Application Notes SN74LS47 RoHS SN74LS47 Circuits SN74LS47 footprint